Skip to main content
Glama

Ableton Live 12 MCP (ableton-live12-mcp)

CI Pages Python 3.11+ License: MIT OR Apache-2.0 DAW: Ableton Live 12.4.6 Suite MCP Tools: 75 LOM Classes: 49 Clean-Room

Production-grade Model Context Protocol (MCP) server and in-process Control Surface bridge engineered specifically for Ableton Live 12.4.6 Suite on macOS.

Enables autonomous AI coding and production agents such as Antigravity (agy) to orchestrate complete electronic music production workflows: multi-track composition, session clip triggering, arrangement locator cue jumping, algorithmic MIDI transformations, take-lane comping, macro variations, flagship Live 12 synth/effect sound design (Meld, Roar, Drift, Wavetable), microtonal .ascl tuning systems, and automated Cocoa NSSavePanel audio export.


โšก Studio Showcase & Visual Assets

Multimedia Artifacts

  • ๐ŸŒ Interactive Documentation Site: https://juancruzmunozalbelo.github.io/ableton-live12-mcp/ โ€” Dark-luxury studio UI with interactive 75-tool search and 49-class LOM explorer.

  • ๐ŸŽฌ Video Telemetry (assets/demo_overview.mp4): 1280x720 video with dynamic waveforms and logarithmic spectrum visualizers synchronized to synthesized showcase audio.

  • ๐Ÿ”Š Audio Showcase (assets/showcase_demo.wav): 8-bar 124 BPM Melodic Techno demo in C Minor (-17.1 LUFS / -1.0 dBFS Peak) generated via MCP tool pipeline.

  • ๐Ÿ“‹ Session Recipe Manifest (assets/showcase_session_manifest.json): Exact JSON tool sequence reproducing the showcase session in Live 12.

  • ๐Ÿ“ System Vector Diagram (assets/architecture.svg): 3-layer topology diagram.


Related MCP server: Ableton MCP

๐Ÿ›๏ธ Architectural Benchmark

Feature Dimension

Ableton Live 12 MCP (This Project)

ahujasid/ableton-mcp

AbletonOSC (Generic OSC)

Manual Chapter Coverage

100% (All 20 Chapters)

~20% (Partial Session View)

~35% (Basic Transport & Clips)

Dedicated MCP Tools

75 Dedicated Tools

15 Basic Tools

0 (Requires external bridge)

Live 12 Extended Notes

โœ“ Probability, Deviation, Release

โœ— Pitch & Velocity Only

โœ— Pitch & Velocity Only

Live 12 Flagship Devices

โœ“ Meld, Roar, Drift, CC Control

โœ— None

โœ— Generic Parameters Only

Take Lanes & Comping

โœ“ Live.TakeLane & Comp Regions

โœ— Not Supported

โœ— Not Supported

Microtonal Tuning (.ascl)

โœ“ TuningSystem Loading & Cents

โœ— Not Supported

โœ— Not Supported

Thread Safety Model

5ms Live.Base.Timer Main-Thread Queue

Un-synchronized Remote Socket

Async UDP (Prone to Race Conditions)

Memory Pointer Safety

โœ“ Strict liveobj_valid Verification

โœ— Unchecked Access

โœ— Occasional C++ Access Violations

OS & Dialog Automation

โœ“ Cocoa NSSavePanel & Export Scripting

โœ— None

โœ— None

Dynamic LOM Reflection

โœ“ Full 49-Class Introspection Engine

โœ— Static Hardcoded Properties

โœ— Static Hardcoded OSC Paths

Pure Python Dependency

โœ“ Zero PIP Dependencies (Stdlib Only)

โœ— Requires External Deps

โœ— Requires Python-OSC


๐Ÿ› ๏ธ Complete 75-Tool Catalog (20 Manual Chapters)

Refer to docs/ABLETON_12_MANUAL_COVERAGE.md for full technical mapping to LOM classes and test verification suites.

1. Arrangement View, Transport & Locator Cue Points (Domain 1)

  • live12_transport_play: Starts playback at current arrangement time.

  • live12_transport_stop: Halts transport playback.

  • live12_transport_record: Toggles arrangement or session recording mode.

  • live12_transport_set_tempo: Sets tempo in BPM [20.0..999.0].

  • live12_transport_set_time_signature: Sets time signature numerator and denominator.

  • live12_transport_set_loop: Sets arrangement loop state, start beat, and loop length.

  • live12_transport_set_punch: Toggles punch-in and punch-out recording markers.

  • live12_transport_set_overdub: Toggles arrangement overdub and MIDI overdub.

  • live12_cue_point_control: Manages arrangement locators (create, delete, list, jump to cue).

  • live12_clip_duplicate_to_arrangement: Duplicates session clips into exact arrangement beat positions.

2. Session View, Scenes & Clip Slots (Domain 2)

  • live12_scene_create: Inserts a new scene at index.

  • live12_scene_fire: Fires all clip slots in a scene.

  • live12_scene_set_properties: Configures scene name, color, scene tempo BPM, and signature triggers.

  • live12_clip_create: Creates a blank MIDI clip on a designated slot.

  • live12_clip_delete: Deletes a clip from a slot.

  • live12_clip_fire: Triggers playback of a specific session clip.

  • live12_clip_stop: Stops playback on a designated track.

3. Track Hierarchy, Grouping & Performance (Domain 3)

  • live12_track_create: Creates MIDI, Audio, or Return tracks.

  • live12_track_delete: Deletes a track by index.

  • live12_track_duplicate: Clones a track with all devices, clips, and automation.

  • live12_track_set_properties: Sets track name, color, mute, solo, and arm.

  • live12_track_group: Groups multiple tracks into a composite Group Track.

  • live12_track_ungroup: Dissolves a Group Track back to top-level tracks.

4. Audio Routing, Sidechain & I/O Channels (Domain 4)

  • live12_routing_get: Inspects active routing and queries available I/O types and channels.

  • live12_routing_set: Configures input/output routing types, channels, and monitoring states.

5. Take Lanes & Arrangement Comping (Domain 5)

  • live12_take_lane_create: Creates a new take lane on an arrangement track.

  • live12_take_lane_list: Queries all take lanes, clip presence, and custom metadata.

  • live12_take_lane_comp_region: Comps a beat time window from a take lane into the track's main lane.

6. Audio Clips, Warping & Sample Properties (Domain 6)

  • live12_audio_clip_set_warp: Enables warping, sets warp mode (Beats, Tones, Complex Pro), and sets pitch/gain.

  • live12_audio_clip_add_warp_marker: Injects sample-to-beat warp markers for surgical timing alignment.

  • live12_clip_set_properties: Configures clip loop boundaries, start/end markers, and clip names.

7. Live 12 MIDI Note Editing & Extended Spec (Domain 7)

  • live12_clip_add_notes: Injects MIDI notes with probability (0.0โ€“1.0) and velocity deviation (ยฑ spread).

  • live12_clip_get_notes: Reads all note events in a clip with extended parameters.

  • live12_clip_modify_notes: Updates existing notes by note ID or coordinate match.

  • live12_clip_remove_notes: Removes notes by exact ID or time/pitch window.

8. Live 12 MIDI Transformations & Quantization (Domain 8)

  • live12_clip_quantize: Quantizes note start times and lengths to musical grid increments.

  • live12_clip_transform_midi: Executes algorithmic transformations: Euclidean rhythms, humanize jitter, velocity ramps, and fit-to-scale.

9. Clip Envelopes, Automation & Modulation (Domain 9)

  • live12_clip_envelope_control: Sets breakpoint values, inspects envelope existence, clears individual/all envelopes, and re-enables automation.

10. Groove Pool & Swing (Domain 10)

  • live12_groove_pool_control: Queries groove pool templates, sets global song groove amount, assigns grooves to clips, and detaches grooves.

11. Live 12 Scales & Microtonal Tuning Systems (Domain 11)

  • live12_song_set_scale: Sets global musical scale (35+ modes) and root note (0โ€“11).

  • live12_song_set_tuning_system: Loads microtonal tuning files (.ascl) with pitch cent offsets.

  • live12_song_get_state: Inspects complete musical context (tempo, scale, tuning, signature).

12. Browser, Categories, Preview & Hotswap (Domain 12)

  • live12_browser_search: Searches browser categories by query and category filter.

  • live12_browser_load_item: Instantiates browser items onto tracks or drum pads via URI.

  • live12_browser_preview: Auditions items via audio preview engine and queries active hotswap state.

13. Device Chains, Racks & Macro Controls (Domain 13)

  • live12_device_list: Enumerates all devices on a track.

  • live12_device_get_parameters: Inspects device parameters, names, ranges, and current values.

  • live12_device_set_parameter: Adjusts parameter value by name or index.

  • live12_device_toggle: Enables or disables a device bypass state.

  • live12_rack_macro_control: Sets macro knob values (macros 0โ€“15).

  • live12_rack_variation_control: Stores, recalls, or deletes macro variation snapshots.

  • live12_rack_macro_config: Configures visible macro counts (1โ€“16), increments/decrements macros, and randomizes macro values.

14. Drum Racks & Drum Pads (Domain 14)

  • live12_drum_pad_control: Queries pad status, sets pad mute/solo, clones pad chains (copy_pad), and deletes chains.

15. Simpler & Slicing Workflows (Domain 15)

  • live12_simpler_control: Converts Simpler slice points to Drum Rack pads and manages sample replacement.

16. Wavetable & Modulation Matrix (Domain 16)

  • live12_wavetable_modulation_matrix: Sets source-target routing, modulation depths, queries active routings, and clears matrix connections.

17. Live 12 Flagship Devices (Meld, Roar, Drift, CC Control) (Domain 17)

  • live12_meld_control: Configures dual macro-oscillator engines (A & B) and scale resonators.

  • live12_roar_control: Configures multi-stage saturation routing (Single, Serial, Parallel, Multi-band, Mid/Side, Feedback) and drive.

  • live12_drift_control: Adjusts analog oscillator drift, filter character, and stereo width.

  • live12_cc_control: Maps continuous controller numbers and sends MIDI CC values [0..127].

18. Mixer, Sends, Returns & Crossfader (Domain 18)

  • live12_mixer_set: Configures track volume, stereo pan, auxiliary send levels, and crossfader assignment.

  • live12_tempo_sync_control: Controls Ableton Link toggle, tempo follower toggle, tap tempo execution, and tempo nudging up/down.

  • live12_song_capture_midi: Retrospectively captures recently played MIDI notes into new clips without pre-recording.

  • live12_transport_set_metronome: Enables/disables metronome click and configures count-in duration.

20. Views, Dialogs, Undo/Redo & LOM Introspection (Domain 20)

  • live12_view_switch: Toggles between Session View and Arrangement View, opens Clip or Device detail views.

  • live12_view_select: Programmatically selects tracks, scenes, clip slots, or devices in the GUI.

  • live12_dialog_inspect: Checks status of open macOS dialogs (Save, Missing Files).

  • live12_dialog_press: Interacts with native dialog buttons ("Save", "Don't Save", "Cancel").

  • live12_undo_redo: Executes undo/redo operations and demarcates transactional undo steps.

  • live12_os_save_set: Saves the current Live set (.als) to disk.

  • live12_os_open_set: Loads an .als project file via AppleScript System Events.

  • live12_os_export_audio: Triggers audio bounce export dialog and executes render.

  • live12_lom_inspect: Introspects properties, methods, and child objects of any Live Object Model path.

  • live12_lom_get: Dynamically retrieves property values from any LOM object.

  • live12_lom_set: Dynamically sets property values on any LOM object.

  • live12_lom_call: Dynamically invokes arbitrary Boost.Python methods on any LOM object.


๐Ÿ—๏ธ System Architecture

โ”Œโ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”
โ”‚             Layer 1: Autonomous Agent                  โ”‚
โ”‚       Antigravity (agy) / Claude / GPT / LLM Agent     โ”‚
โ””โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ–ฒโ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”˜
                           โ”‚ JSON-RPC 2.0 (stdio)
โ”Œโ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ–ผโ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”
โ”‚          Layer 2: Stdio MCP Server & OS Bridge         โ”‚
โ”‚  src/ableton_live12_mcp/server.py (75 Dedicated Tools) โ”‚
โ”‚  src/ableton_live12_mcp/dialogs.py (AppleScript/Cocoa) โ”‚
โ””โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ–ฒโ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”˜
                           โ”‚ Loopback TCP (127.0.0.1:11246)
โ”Œโ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ–ผโ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”
โ”‚     Layer 3: In-Process Control Surface (Live12Bridge) โ”‚
โ”‚  Live.Base.Timer (5ms Main-Thread Command Queue)       โ”‚
โ”‚  liveobj_valid Pointer Validation & Error Recovery     โ”‚
โ”‚  reflection.py (Dynamic Introspection Engine)          โ”‚
โ””โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ–ฒโ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”˜
                           โ”‚ C++ Boost.Python Bindings
โ”Œโ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ–ผโ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”
โ”‚          Live Object Model (LOM) Core Engine           โ”‚
โ”‚        Ableton Live 12.4.6 Suite (49 LOM Classes)       โ”‚
โ””โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”˜
  1. Autonomous Client Layer (agy): Dispatches high-level musical instructions via standard MCP tool declarations.

  2. Server & OS Bridge Layer: 100% pure Python standard library MCP server (server.py) handling tool dispatch, input validation, and hybrid macOS System Events dialog automation (dialogs.py).

  3. In-Process Control Surface (Live12Bridge): Runs inside Live's embedded CPython 3.11 environment. Drains socket RPC commands safely on the main GUI thread via a 5ms Live.Base.Timer queue, ensuring zero thread crashes or Boost.Python memory race conditions.


๐Ÿš€ Installation & Quickstart

1. Prerequisites

  • macOS 13.0+ (Ventura, Sonoma, Sequoia)

  • Ableton Live 12.4.6 Suite

  • Python 3.11 or higher

2. Install Remote Script Control Surface

Copy or symlink the src/live12_bridge directory into Ableton's user remote scripts directory:

mkdir -p "$HOME/Music/Ableton/User Library/Remote Scripts"
ln -sfn "$(pwd)/src/live12_bridge" "$HOME/Music/Ableton/User Library/Remote Scripts/Live12Bridge"

3. Enable in Ableton Live

  1. Launch Ableton Live 12 Suite.

  2. Open Settings > Link, Tempo & MIDI.

  3. Under Control Surface, select Live12Bridge.

  4. The bridge starts immediately, binding to 127.0.0.1:11246 and publishing discovery metadata to /tmp/ableton_live12_bridge.json.

4. Configure Antigravity (agy)

Register ableton-live12 in your Antigravity MCP configuration (~/.gemini/antigravity-cli/mcp/ableton-live12/config.json):

{
  "mcpServers": {
    "ableton-live12": {
      "command": "python3",
      "args": ["-m", "ableton_live12_mcp"],
      "cwd": "/path/to/ableton-live12-mcp"
    }
  }
}

Or run the automatic registration script:

python3 scripts/register_mcp.py

๐Ÿงช Testing & Verification

The test harness (tests/harness.py) provides automated testing against both offline mock bridges and live Ableton Live 12 instances:

Run Offline Mock Test Suite (311+ Tests)

PYTHONPATH=src pytest tests/ -v

Run Live Ableton Instance Tests

Ensure Ableton Live 12 is running with the Live12Bridge control surface selected, then execute:

./scripts/run_live_tests.sh --live -v

Verify Python Syntax & Bytecode Compilation

python3 -m py_compile src/live12_bridge/*.py src/ableton_live12_mcp/*.py src/ableton_live12_mcp/tools/*.py

Ableton Live 12 MCP is an independent open-source clean-room engineering project created in accordance with:

  • 17 U.S.C. ยง 1201(f) (United States DMCA Reverse Engineering Exception for Interoperability).

  • EU Directive 2009/24/EC, Article 6 (Decompilation for Interoperability).

This repository contains zero proprietary binaries, decompiled C++ source files, SDKs, or copyrighted audio samples from Ableton AG or Cycling '74.

Trademark Disclaimer

  • "Ableton", "Ableton Live", "Live Suite", "Push", "Meld", "Roar", "Drift", "Simpler", "Wavetable", and "Max for Live" are registered trademarks or service marks of Ableton AG.

  • "Max", "RNBO", and "Cycling '74" are registered trademarks of Cycling '74 / Cycling '74 LLC.

  • Ableton Live 12 MCP is an independent open-source project and is NOT affiliated with, sponsored by, endorsed by, or associated in any way with Ableton AG or Cycling '74.


๐Ÿ“„ License

This product is dual-licensed under:

Copyright (c) 2026 Juan Cruz Muรฑoz Albelo and Ableton Live 12 MCP Contributors.

Available Tools

75 tools
live12_audio_clip_add_warp_markerC

Inserts a warp marker into an audio clip in Ableton Live 12 (Clip.add_warp_marker).

ParametersJSON Schema
NameRequiredDescriptionDefault
beat_timeYesMusical beat time position.
slot_indexYesZero-based clip slot index.
sample_timeYesCorresponding sample audio time in seconds.
track_indexYesZero-based track index.

TDQS

C2.9/5.0
Behavior2/5

Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?

No annotations are provided, so the description carries the full behavioral burden and largely fails: it does not say whether the clip must already be warped, whether the marker is added destructively/undoably, whether duplicate beat_time values are rejected, or what happens on invalid indices.

Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.

Conciseness4/5

Is the description appropriately sized, front-loaded, and free of redundancy?

A single front-loaded sentence with zero filler. It is arguably over-terse for a mutation tool, but nothing is wasted.

Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.

Completeness2/5

Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?

For a 4-parameter mutation tool with no annotations and no output schema, the description omits critical context: warp-enabled precondition, audio-clip-only restriction, relationship between beat_time and sample_time, and any return/failure behavior.

Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.

Parameters3/5

Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?

Schema description coverage is 100% โ€“ each of the four required parameters carries an inline description, so the description need not repeat them. It adds nothing beyond the schema, which is acceptable but not contributory.

Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.

Purpose4/5

Does the description clearly state what the tool does and how it differs from similar tools?

States a specific verb and resource ('Inserts a warp marker into an audio clip') and even cites the underlying Live API call (Clip.add_warp_marker). It distinguishes itself from live12_audio_clip_set_warp by naming the marker-insertion action, though it never explicitly contrasts the two.

Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.

Usage Guidelines2/5

Does the description explain when to use this tool, when not to, or what alternatives exist?

No guidance on when to use this versus live12_audio_clip_set_warp, nor any prerequisite such as warp mode being enabled on the clip beforehand. The agent must infer ordering from the name alone.

Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.

live12_audio_clip_set_warpC

Configures audio clip warping mode, pitch shift, and gain in Ableton Live 12.

ParametersJSON Schema
NameRequiredDescriptionDefault
gainNoAudio clip gain factor or dB value.
warpingNoEnable or disable audio time-stretching / warping.
warp_modeNoWarping algorithm.
slot_indexYesZero-based clip slot index.
pitch_shiftNoCoarse pitch shift in semitones [-48.0..48.0].
track_indexYesZero-based track index.

TDQS

C2.9/5.0
Behavior2/5

Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?

No annotations are provided, so the description carries the full behavioral burden, yet it says nothing about what happens if the target slot is empty or holds a MIDI clip, whether warp_mode is ignored when warping is false, whether changes are undoable, or what the response contains. For a mutation tool with zero annotation coverage this is a substantial gap.

Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.

Conciseness4/5

Is the description appropriately sized, front-loaded, and free of redundancy?

A single front-loaded sentence with no filler, sized appropriately for a simple setter. It is close to optimally concise, though the brevity comes at the cost of the behavioral detail noted elsewhere.

Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.

Completeness2/5

Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?

A six-parameter mutation tool with no annotations and no output schema needs more than one sentence: error conditions, the warping/warp_mode dependency, and target-clip validity are all undocumented. The description is not wrong, just insufficient for the tool's complexity.

Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.

Parameters3/5

Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?

Schema description coverage is 100% and the enum for warp_mode plus ranges for pitch_shift are already documented in the schema, so the baseline is 3. The description only echoes three of the six parameters (warping, pitch shift, gain) and adds no clarification of the ambiguous 'gain factor or dB value' semantics.

Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.

Purpose4/5

Does the description clearly state what the tool does and how it differs from similar tools?

States a specific verb ('Configures') and resource ('audio clip warping mode, pitch shift, and gain') in a named host (Ableton Live 12), so the agent knows exactly which clip properties are touched. It doesn't explicitly differentiate itself from nearby siblings like live12_clip_set_properties or live12_audio_clip_add_warp_marker, which keeps it below a 5.

Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.

Usage Guidelines2/5

Does the description explain when to use this tool, when not to, or what alternatives exist?

There is no guidance on when to prefer this over live12_clip_set_properties, nor any stated preconditions (clip must exist, must be an audio clip, warping likely must be enabled before warp_mode takes effect). Usage is implied only by the listed properties.

Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.

live12_browser_load_itemA

Loads a browser item (instrument, effect, rack, or preset) onto an Ableton Live 12 track, chain, or drum rack pad (Application.browser.load_item).

ParametersJSON Schema
NameRequiredDescriptionDefault
chain_indexNoOptional chain index if inserting inside an existing Rack device (-1 for top-level track device chain).
track_indexYesZero-based target track index.
drum_pad_indexNoOptional drum pad index [0..127] if loading onto a Drum Rack pad (-1 for standard track insertion).
browser_item_uriYesCanonical browser item URI from browser search (e.g. 'live:device:drift', 'live:device:wavetable').

TDQS

A3.5/5.0
Behavior2/5

Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?

No annotations are provided, so the description carries the full behavioral burden. It identifies a mutation-like operation but does not disclose side effects such as whether an existing device is replaced, what happens on invalid URIs, whether loading is undoable, or what permissions/state are required.

Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.

Conciseness5/5

Is the description appropriately sized, front-loaded, and free of redundancy?

The definition is a single front-loaded sentence with no filler. It efficiently conveys the operation, item types, and target surfaces.

Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.

Completeness3/5

Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?

For a moderate-complexity mutation tool with no annotations and no output schema, the description gives enough information to identify the operation and target but leaves behavioral details and preconditions unexplained. It is minimally adequate but not complete.

Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.

Parameters3/5

Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?

Schema coverage is 100%, so all four parameters are already documented in the input schema. The description adds context by naming the kinds of browser items and target surfaces, but does not add syntax or constraints beyond the schema's own parameter descriptions.

Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.

Purpose5/5

Does the description clearly state what the tool does and how it differs from similar tools?

The description states a specific verb and resource ('Loads a browser item') plus the supported item types and target locations. It clearly distinguishes this operation from browser search/preview and device parameter manipulation by focusing on placement onto a track, chain, or drum rack pad.

Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.

Usage Guidelines3/5

Does the description explain when to use this tool, when not to, or what alternatives exist?

Usage is implied: this is the tool to use when the desired browser item URI is already known and needs to be loaded. However, it does not explicitly say to use live12_browser_search first or state when not to use this tool versus alternatives.

Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.

live12_browser_previewB

Controls audio auditioning and hotswap monitoring in the Ableton Live 12 Browser (preview item, stop preview, inspect hotswap target).

ParametersJSON Schema
NameRequiredDescriptionDefault
actionYesBrowser action: 'preview' starts audition playback of item, 'stop' terminates preview, 'hotswap_status' queries active hotswap state.
browser_item_uriNoCanonical URI of the item to audition (e.g. 'live:sample:kick01').

TDQS

B3.2/5.0
Behavior2/5

Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?

No annotations are provided, so the description carries the full burden, yet it never says that preview produces audible output, whether it alters browser or transport state, whether hotswap monitoring is read-only, or what happens if stop is called when nothing is previewing.

Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.

Conciseness4/5

Is the description appropriately sized, front-loaded, and free of redundancy?

One front-loaded sentence with a compact parenthetical action list; nothing is wasted, though the parenthetical slightly duplicates the action enum.

Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.

Completeness3/5

Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?

This is a simple two-parameter tool with fully described schema and no output schema, so little extra is needed. The key gap is the conditional dependency between action and browser_item_uri, which neither the description nor the schema's required list conveys.

Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.

Parameters3/5

Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?

Schema description coverage is 100%: the enum values and the URI format are already documented in the schema. The description adds no parameter details beyond what it already provides, notably omitting that browser_item_uri is effectively required when action='preview'.

Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.

Purpose4/5

Does the description clearly state what the tool does and how it differs from similar tools?

The description names a specific verb (controls) and resource (audio auditioning and hotswap monitoring in the Ableton Live 12 Browser) and enumerates its three actions. It is clear enough to separate it from load_item and browser_search, but it never explicitly says so.

Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.

Usage Guidelines3/5

Does the description explain when to use this tool, when not to, or what alternatives exist?

The parenthetical list of actions implies what the tool is for, but there is no guidance on when to reach for it instead of live12_browser_search or live12_browser_load_item, and no prerequisites or exclusions are given.

Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.

live12_cc_controlB

Controls the Ableton Live 12 CC Control MIDI device: maps MIDI continuous controllers (CC), sets output CC values, and configures custom MIDI automation targets.

ParametersJSON Schema
NameRequiredDescriptionDefault
valueNoMIDI CC value [0..127].
actionYesCC Control action: 'set_cc' sends or configures CC parameter, 'get_mappings' queries active CC definitions.
channelNoTarget MIDI channel [1..16].
cc_numberNoMIDI CC number [0..127] (e.g. 1=Modulation, 7=Volume, 10=Pan, 11=Expression, 74=Cutoff).
track_indexYesZero-based track index.
device_indexYesZero-based index of CC Control device.

TDQS

B3.3/5.0
Behavior2/5

Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?

No annotations are provided, so the description carries the full behavioral burden. It says the tool sets and configures values but does not disclose mutation effects, prerequisites such as the device existing on the specified track, reversibility, or error behavior; only the schema's action enum hints at read vs write operations.

Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.

Conciseness5/5

Is the description appropriately sized, front-loaded, and free of redundancy?

The description is a single sentence, front-loaded with the verb and device name, with no filler or repetition. Every phrase contributes to identifying the controlled device and its main capabilities.

Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.

Completeness3/5

Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?

The description is minimally adequate given the rich schema, but for a mutating device-control tool with no annotations and no output schema, it omits prerequisites, side effects, and expected result behavior. It tells the agent what device is controlled but not enough about safe invocation conditions.

Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.

Parameters3/5

Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?

Schema description coverage is 100%, with detailed descriptions for every parameter including the action enum and CC examples. The description adds no parameter-level syntax or constraints beyond what the schema already provides, so the baseline score of 3 is appropriate.

Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.

Purpose4/5

Does the description clearly state what the tool does and how it differs from similar tools?

The description states a specific verb ('Controls') and resource ('Ableton Live 12 CC Control MIDI device'), then enumerates three capabilities: mapping CC, setting output CC values, and configuring automation targets. It does not explicitly distinguish itself from adjacent device/parameter tools such as live12_device_set_parameter, so it is clear but not fully sibling-differentiated.

Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.

Usage Guidelines3/5

Does the description explain when to use this tool, when not to, or what alternatives exist?

Usage is implied by the named device and the action enum in the schema, but the description gives no explicit when-to-use or when-not-to-use guidance. It also does not mention alternatives such as live12_device_set_parameter or clip envelope tools, leaving routing decisions to the agent.

Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.

live12_clip_add_notesB

Inserts one or more MIDI notes into a clip using Ableton Live 12 extended note attributes (Clip.add_new_notes). Supports Live 12 note probability, velocity deviation, and release velocity.

ParametersJSON Schema
NameRequiredDescriptionDefault
notesYesList of Live 12 extended MIDI note specifications.
slot_indexYesZero-based clip slot index.
track_indexYesZero-based track index.

TDQS

B3.1/5.0
Behavior2/5

Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?

No annotations, so the description carries the full burden. It discloses additive semantics and the Live 12 extended attributes, but says nothing about whether existing notes are preserved, whether the clip is created if missing, permission/lock requirements, or the response. For a mutation tool with zero structured safety hints this is a significant gap.

Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.

Conciseness4/5

Is the description appropriately sized, front-loaded, and free of redundancy?

Two short sentences, front-loaded with the action and scope. Minor redundancy: 'extended note attributes' and the explicit list of extended attributes cover the same ground, but nothing is wasted.

Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.

Completeness2/5

Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?

No output schema and no annotations, yet the description omits the most decision-relevant behavior for a note-creating mutation: whether notes are appended or replace existing content, the requirement for a MIDI clip at track_index/slot_index, and what the call returns. It is incomplete for an agent trying to call this safely.

Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.

Parameters3/5

Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?

Schema description coverage is 100%, with per-note fields (pitch, velocity, probability, release_velocity, velocity_deviation) fully documented and range-bounded. The description only restates that these extended attributes are supported and adds no syntax, defaults, or units beyond the schema, so baseline 3 applies.

Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.

Purpose4/5

Does the description clearly state what the tool does and how it differs from similar tools?

States a specific verb and resource (insert MIDI notes into a clip) and names the underlying Live API call (Clip.add_new_notes). The word 'inserts' implies additive behavior, which informally separates it from live12_clip_modify_notes or live12_clip_remove_notes, though no sibling is named explicitly.

Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.

Usage Guidelines3/5

Does the description explain when to use this tool, when not to, or what alternatives exist?

The additive framing ('inserts one or more MIDI notes') implies when to reach for this rather than modify_notes, but there is no explicit when-to-use, no preconditions (clip must exist and be MIDI-capable), and no named alternative. Usage must be inferred.

Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.

live12_clip_createC

Creates a new empty Session clip in Ableton Live 12 (ClipSlot.create_clip).

ParametersJSON Schema
NameRequiredDescriptionDefault
nameNoOptional name for the created clip.
slot_indexYesZero-based clip slot index.
track_indexYesZero-based track index.
length_beatsNoInitial length of the created clip in musical beats (default 4.0 = 1 measure in 4/4).

TDQS

C2.9/5.0
Behavior2/5

Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?

With no annotations, the description carries the full behavioral burden. It implies a mutation ('Creates') but does not disclose what happens if the target slot is already occupied, whether the clip is MIDI-only or audio, permissions, reversibility, or failure behavior.

Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.

Conciseness4/5

Is the description appropriately sized, front-loaded, and free of redundancy?

The definition is a single front-loaded sentence with no wasted words. It is appropriately sized for a simple creation tool, though it could include one short clause about slot occupancy or clip type without becoming bloated.

Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.

Completeness3/5

Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?

The core operation is clear and the schema is rich, but with no annotations and no output schema the description should disclose slot-occupancy behavior and basic return expectations. It is minimally adequate but leaves meaningful behavioral gaps.

Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.

Parameters3/5

Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?

Schema description coverage is 100%, so track_index, slot_index, name, and length_beats are fully documented in the schema. The description adds no parameter-level meaning beyond the schema baseline.

Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.

Purpose4/5

Does the description clearly state what the tool does and how it differs from similar tools?

States a specific verb ('Creates') and resource ('new empty Session clip') and names the underlying Live API call. It distinguishes creation from siblings like live12_clip_add_notes or live12_clip_set_properties by emphasizing 'empty', though it does not explicitly contrast with live12_clip_duplicate_to_arrangement or other create-like tools.

Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.

Usage Guidelines2/5

Does the description explain when to use this tool, when not to, or what alternatives exist?

The description implies creation but never states when to use this tool versus alternatives such as live12_clip_add_notes or live12_clip_duplicate_to_arrangement. No prerequisites, exclusions, or routing guidance are provided.

Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.

live12_clip_deleteA

Deletes the clip occupying a Session view slot in Ableton Live 12 (ClipSlot.delete_clip).

ParametersJSON Schema
NameRequiredDescriptionDefault
slot_indexYesZero-based clip slot index.
track_indexYesZero-based track index.

TDQS

A3.5/5.0
Behavior2/5

Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?

With no annotations provided, the description carries the full burden of behavioral disclosure. 'Deletes' signals a mutation, but there is no mention of irreversibility, required permissions, side effects, or error behavior when the slot is emptyโ€”significant gaps for a destructive operation.

Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.

Conciseness5/5

Is the description appropriately sized, front-loaded, and free of redundancy?

A single sentence with the core action front-loaded and no wasted words. The API reference in parentheses is compact and useful for developers.

Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.

Completeness3/5

Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?

For a simple two-parameter delete tool with full schema coverage and no output schema, the description states the essential action adequately. However, given it is a destructive operation with no annotations, it should do more to warn about irreversibility and edge cases.

Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.

Parameters3/5

Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?

Schema description coverage is 100%, with clear zero-based descriptions for both track_index and slot_index. The description adds no meaning beyond the schema, so the baseline of 3 is appropriate.

Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.

Purpose5/5

Does the description clearly state what the tool does and how it differs from similar tools?

The description uses a specific verb (deletes) and target (the clip occupying a Session view slot), and the parenthetical (ClipSlot.delete_clip) ties it to the Live API. This clearly distinguishes it from siblings like live12_clip_remove_notes, which removes notes within a clip rather than deleting the clip itself.

Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.

Usage Guidelines3/5

Does the description explain when to use this tool, when not to, or what alternatives exist?

The description implies when to use the toolโ€”removing a clip from a session slotโ€”but does not state any explicit when/when-not conditions or alternatives. It also omits prerequisites such as whether the slot must contain a clip or what happens if it is empty.

Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.

live12_clip_duplicate_to_arrangementA

Duplicates a Session view clip directly into the Arrangement timeline at a specified beat time (Track.duplicate_clip_to_arrangement).

ParametersJSON Schema
NameRequiredDescriptionDefault
slot_indexYesZero-based session clip slot index.
track_indexYesZero-based track index.
arrangement_timeYesTarget arrangement timeline beat position where the clip will be placed.

TDQS

A3.5/5.0
Behavior2/5

Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?

With no annotations, the description carries the full burden. It conveys that this is a copy into Arrangement and leaves the source intact implicitly, but does not state whether an existing clip at the target beat is overwritten, whether the clip remains linked to Session, or what happens on failure โ€” significant gaps for a mutation tool.

Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.

Conciseness5/5

Is the description appropriately sized, front-loaded, and free of redundancy?

A single front-loaded sentence naming the operation, source, destination, and underlying API call. No filler.

Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.

Completeness3/5

Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?

The three required parameters are fully documented in the schema and there is no output schema to explain, so the core is covered. However, for an unannotated mutating tool, the description should disclose overwrite behavior and side effects to be complete.

Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.

Parameters3/5

Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?

Schema coverage is 100%, so all three parameters are documented with zero-based indexing and beat-position details. The description adds only the phrase 'at a specified beat time', which restates the arrangement_time schema field rather than adding syntax or units beyond it.

Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.

Purpose5/5

Does the description clearly state what the tool does and how it differs from similar tools?

States a specific verb (Duplicates) plus the source (Session view clip) and destination (Arrangement timeline at a specified beat time), and cites the underlying API. An agent can distinguish it from siblings like live12_clip_create or live12_track_duplicate without opening the schema.

Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.

Usage Guidelines3/5

Does the description explain when to use this tool, when not to, or what alternatives exist?

Usage is implied by the name and description โ€” duplicating an existing Session clip into Arrangement โ€” but there is no explicit when-to-use guidance, no mention of alternatives (clip_create vs. duplicate), and no stated prerequisites.

Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.

live12_clip_envelope_controlA

Inspects and manipulates parameter automation envelopes in an Ableton Live 12 clip (set envelope breakpoint/step, inspect envelope status, clear envelope for a parameter, clear all envelopes, or re-enable automation).

ParametersJSON Schema
NameRequiredDescriptionDefault
timeNoBeat position within clip for set_step.
valueNoTarget parameter value for set_step.
actionYesAutomation action: 'inspect' envelope existence/parameters, 'set_step' insert breakpoint value, 'clear' parameter envelope, 'clear_all' remove all envelopes, 're_enable' re-enable automation.
slot_indexYesZero-based clip slot index.
track_indexYesZero-based track index.
device_indexNoZero-based device index.
parameter_identifierNoDevice parameter name or zero-based parameter index.

TDQS

A3.6/5.0
Behavior3/5

Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?

With no annotations at all, the description carries the full burden. It does disclose the destructive surface ('clear_all' removes all envelopes, 'clear' removes a parameter's envelope) which is the most important behavioral fact. However it omits whether these edits are undoable, permission/track-arm requirements, and what 'inspect' actually returns, so meaningful gaps remain.

Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.

Conciseness4/5

Is the description appropriately sized, front-loaded, and free of redundancy?

A single front-loaded sentence naming the resource first, with zero filler. The trailing parenthetical duplicates the action enum rather than adding new information, which is the only inefficiency.

Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.

Completeness3/5

Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?

Seven parameters, three required, no annotations and no output schema, so the description must cover conditional parameter requirements and results. It does not say which parameters each action needs (e.g., set_step requiring device_index, parameter_identifier, time, value) or what 'inspect' reports, leaving the agent to infer action-to-parameter mapping from the schema alone.

Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.

Parameters3/5

Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?

Schema description coverage is 100%, so every parameter is already documented, and the baseline is 3. The description adds only a light mapping of 'set envelope breakpoint/step' to the set_step action; it does not explain parameter interactions such as device_index/parameter_identifier being required for set_step and clear but not for clear_all.

Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.

Purpose5/5

Does the description clearly state what the tool does and how it differs from similar tools?

States a specific verb pair ('inspects and manipulates') and a precise resource ('parameter automation envelopes in an Ableton Live 12 clip'), then enumerates the five supported operations. No sibling tool in the list operates on clip automation envelopes, so an agent can distinguish it immediately.

Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.

Usage Guidelines3/5

Does the description explain when to use this tool, when not to, or what alternatives exist?

The parenthetical lists the actions, which implies when each is appropriate, but it largely restates the enum already in the schema rather than adding selection guidance. It never says when to use this instead of siblings like live12_device_set_parameter (static value) or live12_clip_modify_notes, nor states prerequisites or ordering between actions.

Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.

live12_clip_fireC

Fires / triggers playback of a clip slot in Ableton Live 12 (Clip.fire).

ParametersJSON Schema
NameRequiredDescriptionDefault
slot_indexYesZero-based clip slot index.
track_indexYesZero-based track index.

TDQS

C2.9/5.0
Behavior2/5

Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?

No annotations are provided, so the description carries the full behavioral burden and does not meet it. It does not disclose that firing replaces the currently playing clip on that track, whether launch is quantized to the global launch quantization, what happens if the slot is empty, or whether this requires a connected Live instance.

Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.

Conciseness4/5

Is the description appropriately sized, front-loaded, and free of redundancy?

A single front-loaded sentence with no waste; the verb and resource arrive immediately. It is arguably too terse rather than bloated, but nothing in it is redundant.

Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.

Completeness3/5

Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?

With two fully documented required params and no output schema, the structured data covers the mechanics. What is missing is outcome semantics โ€“ what firing actually does to playback state and any quantization/permission preconditions โ€“ which matters for an action tool with no annotations.

Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.

Parameters3/5

Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?

Schema coverage is 100% and both parameters already carry inline descriptions ('Zero-based track index', 'Zero-based clip slot index'). The description adds no meaning beyond the schema, so baseline 3 applies.

Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.

Purpose4/5

Does the description clearly state what the tool does and how it differs from similar tools?

States a specific verb ('fires / triggers playback') and resource ('a clip slot in Ableton Live 12'), and cites the underlying Clip.fire call. The 'clip slot' wording distinguishes it adequately from live12_scene_fire, though it does not explicitly contrast with live12_clip_stop or transport tools.

Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.

Usage Guidelines2/5

Does the description explain when to use this tool, when not to, or what alternatives exist?

No guidance on when to use this versus live12_scene_fire, live12_clip_stop, or live12_transport_play. An agent must infer that this launches one slot on one track rather than a whole scene, and no prerequisites (e.g. the slot contains a clip, playback is quantized) are stated.

Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.

live12_clip_get_notesB

Retrieves all MIDI notes within a specified time window from a clip in Ableton Live 12 (Clip.get_notes_extended), including Live 12 note_id, probability, velocity_deviation, and release_velocity.

ParametersJSON Schema
NameRequiredDescriptionDefault
time_spanNoLength of inspection window in beats.
slot_indexYesZero-based clip slot index.
start_timeNoStart position of inspection window in beats.
track_indexYesZero-based track index.

TDQS

B3.4/5.0
Behavior3/5

Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?

With no annotations, the description carries the full burden. It transparently indicates a read operation and lists returned note fields, but it does not cover edge cases such as empty windows, missing clips, or whether the clip must be MIDI.

Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.

Conciseness5/5

Is the description appropriately sized, front-loaded, and free of redundancy?

The definition is a single front-loaded sentence that identifies the operation, scope, and returned fields with no wasted wording. It is appropriately sized for a simple retrieval tool.

Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.

Completeness4/5

Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?

For a four-parameter read-only retrieval tool with no output schema, the description is largely complete because it names the returned fields and underlying Live API method. It would be stronger if it mentioned that the clip must be a MIDI clip or what happens when the time window contains no notes.

Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.

Parameters3/5

Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?

Schema description coverage is 100%, so all four parameters are already documented in the schema. The description adds only the general notion of a 'specified time window' and does not elaborate on start_time, time_span, track_index, or slot_index beyond what the schema provides.

Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.

Purpose4/5

Does the description clearly state what the tool does and how it differs from similar tools?

The description states a specific verb and resource: retrieving MIDI notes from a clip within a time window. It is clearly distinct from sibling mutations like add_notes, modify_notes, and remove_notes by its retrieval verb, but it does not explicitly name alternatives or scope boundaries.

Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.

Usage Guidelines2/5

Does the description explain when to use this tool, when not to, or what alternatives exist?

The description explains what the tool does but gives no explicit guidance on when to use it versus siblings such as live12_clip_add_notes or live12_clip_modify_notes. Prerequisites like the clip being a MIDI clip are also not mentioned.

Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.

live12_clip_modify_notesB

Modifies existing notes in an Ableton Live 12 clip (Clip.apply_note_modifications) by matching note_id or pitch.

ParametersJSON Schema
NameRequiredDescriptionDefault
slot_indexYesZero-based clip slot index.
track_indexYesZero-based track index.
note_modificationsYesList of modifications to apply.

TDQS

B3.2/5.0
Behavior2/5

Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?

No annotations are provided, so the description carries the full behavioral burden. It discloses that notes are matched by note_id or pitch, but does not explain what happens when no note matches, when multiple notes share a pitch, whether modifications are partial, or what the operation returns.

Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.

Conciseness5/5

Is the description appropriately sized, front-loaded, and free of redundancy?

The definition is a single front-loaded sentence with no wasted text. It states the action, target, and matching mechanism without burying the key information.

Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.

Completeness2/5

Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?

For a mutation tool with no annotations and no output schema, the description is too thin. The schema documents the fields, but the description does not clarify matching semantics, partial-update behavior, error cases, or the fact that multiple notes may be affected.

Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.

Parameters3/5

Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?

Schema description coverage is 100%, so the input schema fully documents the three parameters and nested modification fields. The description adds only the high-level matching rule (note_id or pitch), which is already reflected in the schema's pitch and note_id descriptions, so baseline 3 is appropriate.

Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.

Purpose4/5

Does the description clearly state what the tool does and how it differs from similar tools?

The description names a specific verb and resource: modifying existing notes in an Ableton Live 12 clip. It also identifies the selection mechanism (note_id or pitch), making the operation distinguishable from note creation or deletion, though it does not explicitly contrast with siblings such as live12_clip_transform_midi.

Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.

Usage Guidelines3/5

Does the description explain when to use this tool, when not to, or what alternatives exist?

The phrase 'existing notes' implies this tool is for updates rather than inserting or removing notes, and the matching mechanism gives some usage context. However, it does not explicitly say when to prefer this over sibling tools like live12_clip_transform_midi, live12_clip_add_notes, or live12_clip_remove_notes.

Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.

live12_clip_quantizeB

Quantizes MIDI notes in a clip to a musical beat grid (Clip.quantize).

ParametersJSON Schema
NameRequiredDescriptionDefault
gridNoQuantization grid division in beats (e.g. 0.25 = 1/16th, 0.5 = 1/8th, 1.0 = 1/4th).
amountNoQuantization strength from 0.0 (0%) to 1.0 (100% snap to grid).
slot_indexYesZero-based clip slot index.
track_indexYesZero-based track index.

TDQS

B3.1/5.0
Behavior2/5

Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?

No annotations are provided, so the description carries the full behavioral burden. It does not state that this is a mutating operation, whether it is undoable, whether it alters the stored clip destructively, or whether it works on audio clips โ€” leaving the agent to infer everything beyond 'it quantizes'.

Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.

Conciseness5/5

Is the description appropriately sized, front-loaded, and free of redundancy?

A single tightly-scoped sentence with the core action front-loaded and zero filler. Nothing in it is redundant.

Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.

Completeness3/5

Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?

A minimal four-parameter mutation tool with no annotations and no output schema needs a bit more than one sentence: the agent still lacks the MIDI-clip precondition and any sense of side effects. The schema fully covers parameters, so the gap is behavioral rather than structural.

Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.

Parameters3/5

Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?

Schema coverage is 100%, with grid, amount, track_index and slot_index fully documented in the schema including defaults and ranges. The description adds nothing beyond what those field descriptions already say, so the baseline 3 applies.

Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.

Purpose4/5

Does the description clearly state what the tool does and how it differs from similar tools?

Names a specific verb ('Quantizes') and resource ('MIDI notes in a clip') and cites the underlying Live API call (Clip.quantize). It does not explicitly differentiate from the sibling live12_clip_transform_midi, which could overlap in scope.

Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.

Usage Guidelines2/5

Does the description explain when to use this tool, when not to, or what alternatives exist?

There is no when-to-use / when-not-to-use guidance, no mention that the target clip must be a MIDI clip, and no pointer to alternatives such as live12_clip_transform_midi or live12_clip_modify_notes.

Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.

live12_clip_remove_notesA

Removes MIDI notes from an Ableton Live 12 clip by note IDs or by beat/pitch window (Clip.remove_notes_by_id or Clip.remove_notes_extended).

ParametersJSON Schema
NameRequiredDescriptionDefault
note_idsNoList of Live 12 note IDs to remove.
time_spanNoDuration of beat window for note removal.
from_pitchNoLowest pitch to remove [0..127].
pitch_spanNoPitch range span [1..128].
slot_indexYesZero-based clip slot index.
start_timeNoStart position of beat window for note removal.
track_indexYesZero-based track index.

TDQS

A3.7/5.0
Behavior2/5

Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?

No annotations are provided, so the description carries the full burden of behavioral disclosure for a destructive mutation. It says notes are removed, but does not mention irreversibility, undo behavior, partial removal semantics, failure cases, or what is returned.

Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.

Conciseness5/5

Is the description appropriately sized, front-loaded, and free of redundancy?

The description is a single front-loaded sentence with specific terminology and no wasted text. It identifies the action, the target resource, and the two supported mechanisms immediately.

Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.

Completeness3/5

Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?

The schema is fully documented and the description identifies both operation modes, which is enough to understand the tool at a high level. However, for a mutation tool with no annotations or output schema, it omits important details such as required parameter combinations for window removal and side-effect behavior.

Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.

Parameters4/5

Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?

Schema coverage is 100%, so baseline is 3, but the description adds useful grouping beyond individual property descriptions by framing note_ids as one removal strategy and beat/pitch window parameters as another. It still does not specify which window parameters must be combined for a valid window operation.

Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.

Purpose5/5

Does the description clearly state what the tool does and how it differs from similar tools?

The description states a specific verb and resource: it removes MIDI notes from a Live 12 clip. It also identifies the two supported removal modes and underlying methods, which clearly distinguishes it from siblings like add_notes, modify_notes, and transform_midi.

Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.

Usage Guidelines3/5

Does the description explain when to use this tool, when not to, or what alternatives exist?

The description implies two usage modes, by note IDs or by beat/pitch window, but does not explain when to choose one over the other or how these differ from modify_notes or transform_midi. The mode names provide some guidance, but alternatives and exclusions are left implicit.

Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.

live12_clip_set_propertiesB

Configures loop and marker parameters of a clip in Ableton Live 12 (Clip.loop, Clip.loop_start, Clip.loop_end, Clip.start_marker).

ParametersJSON Schema
NameRequiredDescriptionDefault
loopNoEnable or disable clip looping.
loop_endNoLoop end position in beats.
loop_startNoLoop start position in beats.
slot_indexYesZero-based clip slot index.
track_indexYesZero-based track index.
start_markerNoPlayback start marker position in beats.

TDQS

B3.1/5.0
Behavior2/5

Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?

With no annotations, the description carries the full burden for a mutation tool, yet it says nothing about whether omitted properties are left unchanged, whether the change is undoable, what happens if track/slot indices are invalid, or whether loop_start/loop_end are validated against each other. The property list largely restates the parameter names already in the schema.

Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.

Conciseness5/5

Is the description appropriately sized, front-loaded, and free of redundancy?

One sentence, front-loaded with the verb and resource, and it spends its words on the property names rather than filler. Nothing is padded.

Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.

Completeness3/5

Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?

No output schema and no annotations, and the description does not state partial-update behavior, error conditions, or what the tool returns after a successful write. For a 6-parameter mutation tool this leaves real gaps, though the enumerated properties give the agent a decent mutation footprint.

Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.

Parameters3/5

Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?

Schema description coverage is 100% and each parameter carries units and semantics (beats, zero-based indices), so the schema does the work. The description adds only the LOM mapping and no extra format or constraint detail.

Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.

Purpose4/5

Does the description clearly state what the tool does and how it differs from similar tools?

States a specific verb (configures) and resource (loop and marker parameters of a clip) and enumerates the exact Live object properties touched (Clip.loop, loop_start, loop_end, start_marker). It is clearly a clip-level operation distinct from track_set_properties or scene_set_properties by name, though it never explicitly says so.

Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.

Usage Guidelines2/5

Does the description explain when to use this tool, when not to, or what alternatives exist?

No guidance on when to use this versus live12_transport_set_loop (which sets global loop) or live12_audio_clip_set_warp, nor any prerequisites such as the clip needing to exist or be MIDI vs audio. The agent must infer all selection criteria.

Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.

live12_clip_stopC

Stops playback of a running clip slot in Ableton Live 12 (Clip.stop).

ParametersJSON Schema
NameRequiredDescriptionDefault
slot_indexYesZero-based clip slot index.
track_indexYesZero-based track index.

TDQS

C2.9/5.0
Behavior2/5

Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?

With no annotations, the description carries the full behavioral burden. It states the action but not idempotency, error behavior for a non-playing slot, side effects, or what the call returns, so an agent cannot anticipate failure modes.

Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.

Conciseness4/5

Is the description appropriately sized, front-loaded, and free of redundancy?

A single front-loaded sentence with zero waste, and the LOM reference adds a little grounding value. Appropriately sized for a trivial two-parameter action.

Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.

Completeness3/5

Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?

For a simple stop action with no output schema, the description is minimally sufficient. It omits failure behavior and the relationship to transport-level stop, which would matter to an agent choosing between the two.

Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.

Parameters3/5

Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?

Schema coverage is 100%, with both track_index and slot_index documented as zero-based indices. The description adds nothing beyond the schema, so the baseline 3 applies.

Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.

Purpose4/5

Does the description clearly state what the tool does and how it differs from similar tools?

States a specific verb ('Stops') and resource ('playback of a running clip slot'), plus the underlying LOM call (Clip.stop) for grounding. It doesn't explicitly differentiate from sibling live12_transport_stop or live12_clip_fire, leaving the agent to infer that this targets one slot rather than global transport.

Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.

Usage Guidelines2/5

Does the description explain when to use this tool, when not to, or what alternatives exist?

No when-to-use/when-not guidance. The phrase 'running clip slot' hints at a precondition, but it never says what to do if the slot isn't playing, nor routes the agent between this and live12_transport_stop or live12_clip_fire.

Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.

live12_clip_transform_midiB

Applies algorithmic MIDI transformations in Ableton Live 12: humanize timing/velocity, velocity ramps, Euclidean rhythm generation, arpeggiation, or pitch quantization to musical scale.

ParametersJSON Schema
NameRequiredDescriptionDefault
paramsNoParameters for the chosen transformation (e.g. {'timing_jitter': 0.02, 'velocity_jitter': 8.0} for humanize; {'start_velocity': 30, 'end_velocity': 110} for velocity_ramp; {'steps': 16, 'pulses': 5, 'pitch': 60} for euclidean; {'scale_name': 'Minor', 'root_note': 0} for fit_to_scale).
slot_indexYesZero-based clip slot index.
track_indexYesZero-based track index.
transformationYesTransformation algorithm to apply.

TDQS

B3.2/5.0
Behavior2/5

Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?

No annotations are provided, so the description carries the full disclosure burden, and it is a mutation of clip note data. It never says whether the change is in-place and destructive to the original notes, whether it can be undone, whether it appends versus replaces, or what it returns. For a write operation with zero annotation coverage this is a significant gap.

Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.

Conciseness4/5

Is the description appropriately sized, front-loaded, and free of redundancy?

Single sentence, front-loaded with the action, with the algorithm list inline rather than as a separate block. No filler. Slightly dense but every clause names a real transformation the tool supports.

Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.

Completeness3/5

Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?

The schema fully covers the four parameters including the nested params object, and no output schema exists, so return values need not be described. However, for a destructive note-transformation tool with no annotations, missing preconditions (MIDI clip requirement, target must have notes) and missing post-state information leave real gaps.

Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.

Parameters3/5

Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?

Schema description coverage is 100% and the params object already documents per-transformation keys with examples, so the schema does the heavy lifting. The description adds a little by naming which transformations pair with which behavior (e.g. humanize covers both timing and velocity), but contributes no syntax or constraint detail beyond the schema. Baseline 3 is appropriate.

Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.

Purpose4/5

Does the description clearly state what the tool does and how it differs from similar tools?

States a specific verb (applies algorithmic MIDI transformations) and enumerates the five concrete algorithms (humanize, velocity ramp, Euclidean, arpeggiation, pitch quantization). An agent can tell this is a note-content transformer rather than a transport/device tool. It stops short of distinguishing itself from near-siblings like live12_clip_quantize or live12_clip_modify_notes, which overlap in the note-editing space.

Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.

Usage Guidelines3/5

Does the description explain when to use this tool, when not to, or what alternatives exist?

Usage is only implied: apply one of the listed transformations to a MIDI clip identified by track/slot. There is no explicit 'use this instead of X' routing versus live12_clip_quantize (timing grid) or live12_clip_modify_notes, even though quantize_pitch/fit_to_scale overlap conceptually with both. No preconditions (clip must be MIDI, must contain notes) are stated.

Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.

live12_cue_point_controlA

Manages arrangement locator cue points in Ableton Live 12: create locator at beat time, delete locator, jump playhead to cue point, or list all project locators.

ParametersJSON Schema
NameRequiredDescriptionDefault
nameNoDisplay name for the locator cue point.
timeNoArrangement beat time for create action.
actionYesCue point action: 'create' new locator, 'delete' locator, 'jump' playhead to locator, or 'list' all locators.
cue_indexNoZero-based index of cue point for delete or jump actions.

TDQS

A3.9/5.0
Behavior3/5

Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?

Without annotations, the description carries the full burden. It discloses the core effects of each action, including creating at a beat time, deleting, jumping the playhead, and listing locators, but it omits important behavioral details such as whether deletion is destructive, whether indexes shift after deletion, and what happens with invalid indexes.

Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.

Conciseness5/5

Is the description appropriately sized, front-loaded, and free of redundancy?

The description is a single front-loaded sentence followed by a compact action list. Every phrase contributes scope or action information, with no redundant or filler text.

Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.

Completeness3/5

Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?

The description covers the actions and resource sufficiently for basic invocation, and the schema fully documents parameters. However, with no annotations and no output schema, it does not describe return values for 'list' or important side-effect details for mutation actions, leaving clear gaps.

Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.

Parameters3/5

Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?

The schema has 100% description coverage and fully documents the action enum and parameters. The description adds only high-level action context, such as 'create locator at beat time,' which is already available in the schema, so baseline 3 is appropriate.

Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.

Purpose5/5

Does the description clearly state what the tool does and how it differs from similar tools?

The description states a specific resource, 'arrangement locator cue points in Ableton Live 12,' and enumerates the exact operations: create, delete, jump, and list. This distinguishes it from sibling transport, clip, and scene tools by scope and resource.

Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.

Usage Guidelines4/5

Does the description explain when to use this tool, when not to, or what alternatives exist?

The action list makes the tool's appropriate uses clear, and the phrase 'arrangement locator cue points' gives strong context. However, it does not explicitly name alternatives or state when not to use this tool versus transport or clip operations.

Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.

live12_device_get_parametersB

Reads all parameters of an Ableton Live 12 device (Device.parameters), including min, max, quantized status, raw value, and normalized value.

ParametersJSON Schema
NameRequiredDescriptionDefault
track_indexYesZero-based track index.
device_indexYesZero-based device index.

TDQS

B3.4/5.0
Behavior3/5

Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?

No annotations are provided, so the description carries the full burden. It discloses the returned fields (min, max, quantized status, raw value, normalized value), which is genuinely useful, but says nothing about invalid indices, error behavior, or output size for devices with many parameters.

Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.

Conciseness5/5

Is the description appropriately sized, front-loaded, and free of redundancy?

A single front-loaded sentence with no filler; the resource identifier and the payload contents are packed in efficiently.

Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.

Completeness4/5

Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?

For a simple two-parameter read tool with no output schema, the description adequately covers what is returned and the scope. Only the absence of guidance on locating valid device indices keeps it short of complete.

Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.

Parameters3/5

Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?

Schema description coverage is 100%, with both track_index and device_index documented as zero-based indices. The description adds no parameter-level information beyond the schema, so the baseline of 3 applies.

Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.

Purpose4/5

Does the description clearly state what the tool does and how it differs from similar tools?

States a specific verb and resource: 'Reads all parameters of an Ableton Live 12 device (Device.parameters)'. This is clearly distinct from mutating siblings like live12_device_set_parameter or live12_device_toggle, though the description does not name those alternatives explicitly.

Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.

Usage Guidelines2/5

Does the description explain when to use this tool, when not to, or what alternatives exist?

No guidance on when to use this tool versus alternatives such as live12_device_list (to discover devices first) or live12_device_set_parameter (to write). The read-only intent is only implied by the verb 'Reads'.

Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.

live12_device_listB

Queries all devices in the device chain of an Ableton Live 12 track (Track.devices).

ParametersJSON Schema
NameRequiredDescriptionDefault
track_indexYesZero-based track index.

TDQS

B3.2/5.0
Behavior2/5

Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?

With no annotations, the description carries the full behavioral burden. 'Queries' signals a read-only operation, but it says nothing about return shape, device ordering, behavior with an empty chain, or what happens on an invalid track index.

Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.

Conciseness4/5

Is the description appropriately sized, front-loaded, and free of redundancy?

A single, front-loaded sentence with no wasted words. Efficient, though it packs the resource wording densely enough that the scope ('Track.devices') is only clarified by the parenthetical.

Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.

Completeness3/5

Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?

For a simple read-only list tool with a single fully documented parameter, the description is adequate but incomplete: with no output schema, the description should convey what is returned per device (names, indices, types) and what an empty or invalid track yields.

Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.

Parameters3/5

Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?

Only one parameter with 100% schema description coverage ('Zero-based track index'), so baseline is 3. The description adds the context that the index refers to a track whose device chain is being listed, but no further semantics such as range limits or return-track relationship.

Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.

Purpose4/5

Does the description clearly state what the tool does and how it differs from similar tools?

States a specific verb+resource: 'Queries all devices in the device chain of an Ableton Live 12 track' with the Live API reference (Track.devices). An agent can tell it enumerates devices rather than manipulating them, but it doesn't explicitly contrast with the sibling live12_device_get_parameters, which an agent would need to pick between.

Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.

Usage Guidelines3/5

Does the description explain when to use this tool, when not to, or what alternatives exist?

Usage is only implied: the enumeration purpose suggests 'use before reading or setting device parameters', but neither the ordering with live12_device_get_parameters nor any exclusions are stated. No prerequisites (e.g., a track must exist) are mentioned.

Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.

live12_device_set_parameterC

Sets the value of a device parameter in Ableton Live 12 (DeviceParameter.value). Supports both raw engineering values and normalized [0.0..1.0] inputs.

ParametersJSON Schema
NameRequiredDescriptionDefault
valueYesNew parameter value.
normalizedNoIf true, 'value' is interpreted as a normalized float between 0.0 (min) and 1.0 (max).
track_indexYesZero-based track index.
device_indexYesZero-based device index.
parameter_identifierYesParameter name or index.

TDQS

C2.9/5.0
Behavior2/5

Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?

With no annotations, the description carries the full burden of behavioral disclosure. It reveals that the tool mutates a live parameter and accepts normalized inputs, but it does not state whether changes are immediate, reversible, require devices to exist, how out-of-range values are handled, or what errors occur on invalid indices.

Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.

Conciseness5/5

Is the description appropriately sized, front-loaded, and free of redundancy?

Two tightly written sentences with zero waste, front-loading the core action and following with the key behavioral nuance. Every sentence earns its place.

Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.

Completeness2/5

Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?

For a mutation tool with five parameters, no annotations, and no output schema, the description is too thin. It covers purpose but omits return values, error behavior, index resolution rules, and mutation side effects, leaving an agent under-informed about safe invocation.

Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.

Parameters3/5

Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?

Schema coverage is 100%, so the schema already documents all five parameters in detail, including the normalized flag and parameter_identifier union. The description's mention of raw engineering values and normalized [0.0..1.0] inputs repeats schema semantics rather than adding new meaning, so the baseline 3 applies.

Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.

Purpose4/5

Does the description clearly state what the tool does and how it differs from similar tools?

The description names a specific verb ('Sets') and resource ('device parameter in Ableton Live 12'), with a concrete API reference (DeviceParameter.value). It is clear what the tool does, but it does not distinguish itself from sibling setters like live12_lom_set or live12_rack_macro_control.

Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.

Usage Guidelines2/5

Does the description explain when to use this tool, when not to, or what alternatives exist?

The description offers no guidance on when to use this tool versus alternatives such as live12_lom_set or live12_device_get_parameters. It only states capability ('Supports both raw engineering values and normalized inputs') without usage conditions or exclusions.

Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.

live12_device_toggleC

Enables or disables (bypasses) a device on a track in Ableton Live 12.

ParametersJSON Schema
NameRequiredDescriptionDefault
enabledYesTrue to activate the device; False to bypass/disable.
track_indexYesZero-based track index.
device_indexYesZero-based device index.

TDQS

C2.9/5.0
Behavior2/5

Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?

With no annotations, the description must carry the full behavior burden. It says it toggles state but not that it is an immediate mutation of live set state, whether it's undoable, what happens with out-of-range indices, or whether the effect is audible in real time.

Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.

Conciseness5/5

Is the description appropriately sized, front-loaded, and free of redundancy?

A single front-loaded sentence with no filler. Its weakness is under-specification, not verbosity, so conciseness is not penalized here.

Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.

Completeness2/5

Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?

For a three-parameter mutation tool with no annotations and no output schema, the description is too thin: no return info, no error behavior for invalid indices, no note that state changes persist in the set or how to verify the result.

Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.

Parameters3/5

Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?

Schema coverage is 100% and documents all three parameters including the zero-based indexing and the true/false meaning. The description adds no parameter detail beyond what the schema already provides, so the baseline 3 applies.

Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.

Purpose4/5

Does the description clearly state what the tool does and how it differs from similar tools?

Names a specific verb pair (enables/disables, i.e. bypasses), the resource (a device on a track), and the host app (Ableton Live 12). It is clearly distinct from list/get_parameters siblings, though it doesn't distinguish itself from live12_device_set_parameter, which could plausibly set the same 'enabled' flag.

Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.

Usage Guidelines2/5

Does the description explain when to use this tool, when not to, or what alternatives exist?

No guidance on when to use this versus live12_device_set_parameter or live12_device_list. No stated prerequisites such as an existing track/device index or the need to query devices first.

Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.

live12_dialog_inspectB

Inspects open native modal dialogs in Ableton Live 12 (Application.open_dialog_count and Application.current_dialog_message).

ParametersJSON Schema
NameRequiredDescriptionDefault

No parameters

TDQS

B3.3/5.0
Behavior3/5

Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?

With no annotations, the description carries the full burden, but 'Inspects' plus the naming of Application.open_dialog_count and Application.current_dialog_message makes clear this is a non-mutating read exposing dialog count and message. It does not say whether the call errors or returns empty when no dialog exists, nor what the return shape is.

Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.

Conciseness4/5

Is the description appropriately sized, front-loaded, and free of redundancy?

A single front-loaded sentence that identifies the resource and the exact LOM properties consulted; nothing is wasted. It is perhaps slightly too terse given the absence of any other structured metadata.

Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.

Completeness3/5

Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?

For a zero-parameter read tool with no annotations and no output schema, the description does convey what is inspected (dialog count and current message). It omits the relationship to live12_dialog_press and the no-dialog-open behavior, leaving a real gap for an agent deciding what to call next.

Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.

Parameters4/5

Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?

The tool takes zero parameters, so the schema has nothing to explain and no parameter semantics are needed. The description correctly adds no parameter boilerplate.

Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.

Purpose4/5

Does the description clearly state what the tool does and how it differs from similar tools?

States a specific verb ('Inspects') and resource ('open native modal dialogs in Ableton Live 12') and names the underlying LOM properties, so the agent knows exactly what data is surfaced. It does not, however, distinguish itself from the sibling live12_dialog_press, which acts on the same dialogs.

Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.

Usage Guidelines2/5

Does the description explain when to use this tool, when not to, or what alternatives exist?

There is no explicit when-to-use guidance, no mention of the natural companion tool live12_dialog_press, and no statement of what to do when no dialog is open. Usage is only weakly implied by 'open ... dialogs'.

Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.

live12_dialog_pressB

Presses a button on the currently open modal dialog in Ableton Live 12 (Application.press_current_dialog_button). 0 is typically OK / Confirm; 1 is Cancel / Secondary.

ParametersJSON Schema
NameRequiredDescriptionDefault
button_indexYesZero-based button index to press (0=default/OK, 1=cancel).

TDQS

B3.3/5.0
Behavior2/5

Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?

No annotations are provided, so the description carries the full burden of behavioral disclosure. It explains the button index mapping, but it does not describe what happens if no modal dialog is open, whether pressing a button commits or cancels an operation, or any side effects or error behavior.

Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.

Conciseness5/5

Is the description appropriately sized, front-loaded, and free of redundancy?

The description is two short sentences, front-loads the action and target, and includes only useful context about button indices. There is no wasted text.

Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.

Completeness3/5

Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?

For a one-parameter action tool with no output schema, the description covers the core call semantics adequately. However, because there are no annotations, it should say more about dialog prerequisites, failure behavior, and the relationship to live12_dialog_inspect.

Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.

Parameters3/5

Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?

Schema description coverage is 100%, so the input schema already documents button_index clearly. The description repeats the 0=OK and 1=Cancel mapping with 'typically' and 'Secondary,' but adds no meaningful semantics beyond the schema.

Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.

Purpose4/5

Does the description clearly state what the tool does and how it differs from similar tools?

The description states a specific verb and resource: pressing a button on the currently open modal dialog in Ableton Live 12, with the underlying method named. It is clear what the tool does, but it does not explicitly differentiate itself from the related sibling live12_dialog_inspect, which an agent might need to inspect dialog buttons first.

Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.

Usage Guidelines3/5

Does the description explain when to use this tool, when not to, or what alternatives exist?

The phrase 'currently open modal dialog' implies the usage context, but the description does not explicitly say when to use this tool versus live12_dialog_inspect or what to do if no dialog is open. Usage is inferable rather than directly stated.

Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.

live12_drift_controlC

Configures voice mode, drift randomization, and oscillator parameters on the Ableton Live 12 Drift subtractive synthesizer.

ParametersJSON Schema
NameRequiredDescriptionDefault
track_indexYesZero-based track index.
device_indexYesZero-based index of the Drift device.
voice_paramsYesDictionary of Drift voice parameters (e.g. {'voice_mode': 'poly', 'drift': 0.35, 'filter_freq': 2200}).

TDQS

C2.9/5.0
Behavior2/5

Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?

No annotations are provided, so the description carries the full behavioral burden. It says the tool configures parameters but does not disclose whether changes are immediate, whether the device must already exist, what happens with invalid parameter keys, or what the tool returns.

Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.

Conciseness5/5

Is the description appropriately sized, front-loaded, and free of redundancy?

The description is a single, front-loaded sentence with no filler. Every phrase contributes to identifying the device and the parameter families being configured.

Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.

Completeness2/5

Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?

The tool mutates a nested parameter dictionary on a specific device, and there are no annotations or output schema to supplement the description. Given the nested voice_params object, the description should say more about accepted keys, value ranges, and whether updates are partial or complete.

Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.

Parameters3/5

Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?

Schema description coverage is 100% for the top-level parameters, so the schema already explains track_index and device_index. The description adds some meaning by naming voice mode, drift randomization, and oscillator parameters, but it does not expand on the nested voice_params keys beyond the schema example.

Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.

Purpose4/5

Does the description clearly state what the tool does and how it differs from similar tools?

The description states a specific verb (configures) and resource (Ableton Live 12 Drift subtractive synthesizer) and names the parameter families it controls. It is clear what the tool does, but it does not explicitly distinguish itself from generic siblings such as live12_device_set_parameter.

Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.

Usage Guidelines2/5

Does the description explain when to use this tool, when not to, or what alternatives exist?

There is no guidance on when to use this tool versus generic device parameter tools or other synth-specific controls like live12_meld_control or live12_roar_control. The description implies the context but gives no exclusions or alternatives.

Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.

live12_drum_pad_controlA

Controls Drum Rack pads in Ableton Live 12: inspect pad status (name, note, chains), mute/solo pad, copy pad to another note (RackDevice.copy_pad), or delete chains on a pad.

ParametersJSON Schema
NameRequiredDescriptionDefault
stateNoBoolean state for mute_pad or solo_pad.
actionYesPad action: 'inspect_pads' queries active pads, 'mute_pad' toggles mute, 'solo_pad' toggles solo, 'copy_pad' duplicates pad to target note, 'delete_chains' removes chains on pad.
pad_noteNoMIDI note number of the drum pad [0..127] (e.g. 36 for C1).
target_noteNoDestination MIDI note number for copy_pad.
track_indexYesZero-based track index.
device_indexYesZero-based index of Drum Rack device.

TDQS

A3.6/5.0
Behavior3/5

Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?

With no annotations, the description carries the full behavioral burden. It does add real detail beyond the name โ€” per-action semantics and the underlying API call (RackDevice.copy_pad) โ€” but it omits that 'delete_chains' is destructive/irreversible and that mute/solo replace rather than toggle-push state, and it gives no indication of failure modes (non-Drum-Rack device, empty pad).

Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.

Conciseness4/5

Is the description appropriately sized, front-loaded, and free of redundancy?

A single front-loaded sentence with the resource and scope stated first, followed by the operation list. Efficient with no filler, though the parenthetical method reference slightly interrupts the action list.

Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.

Completeness3/5

Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?

It covers what inspect_pads returns (name, note, chains), which is valuable given there is no output schema. However, for a 6-parameter, mutation-bearing tool with zero annotations, it leaves out prerequisites (device must be a Drum Rack), destructive-action warnings, and any return/error behavior for the mutating actions.

Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.

Parameters3/5

Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?

Schema description coverage is 100%, so pad_note, target_note, state, track_index and device_index are already documented, including the C1=36 example. The description only loosely maps parameters to actions ('copy pad to another note') and adds nothing the schema doesn't already say; baseline 3 applies.

Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.

Purpose5/5

Does the description clearly state what the tool does and how it differs from similar tools?

Names a specific verb and resource ('Controls Drum Rack pads in Ableton Live 12') and enumerates the five concrete operations (inspect, mute, solo, copy, delete chains). This clearly separates it from siblings like live12_device_toggle or live12_rack_macro_control, which operate on devices/macros rather than individual Drum Rack pads.

Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.

Usage Guidelines3/5

Does the description explain when to use this tool, when not to, or what alternatives exist?

The action enum plus the parenthetical list implies which operation to pick, but there is no explicit when-to-use/when-not guidance and no mention of alternatives (e.g., use live12_device_toggle for whole-device state). Usage is inferable only from the action names.

Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.

live12_groove_pool_controlC

Manages the Ableton Live 12 Groove Pool: queries pool grooves, adjusts global song groove amount, assigns groove templates to clips, or inspects clip groove status.

ParametersJSON Schema
NameRequiredDescriptionDefault
actionYesGroove action: 'list_pool' query project grooves, 'set_song_amount' set global groove intensity [0.0..1.0], 'assign_clip' assign groove to clip, 'clear_clip' detach groove, 'get_clip_groove' inspect clip groove.
amountNoGlobal groove intensity amount for set_song_amount.
slot_indexNoZero-based clip slot index for clip assignment.
track_indexNoZero-based track index for clip assignment.
groove_indexNoZero-based index of groove in Song.groove_pool.grooves.

TDQS

C2.9/5.0
Behavior2/5

Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?

No annotations are provided, so the description carries full behavioral burden. It implies mutation (set_song_amount, assign_clip, clear_clip) but does not disclose reversibility, whether clearing a clip groove is destructive, permission requirements, or what state changes result. For a mutating tool with zero annotation coverage this is a significant gap.

Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.

Conciseness4/5

Is the description appropriately sized, front-loaded, and free of redundancy?

A single front-loaded sentence that enumerates the key operations without waste. Slightly compromises completeness (missing clear_clip) but is efficiently structured.

Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.

Completeness3/5

Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?

For a 5-parameter mutating tool with no annotations and no output schema, the description covers the main actions but leaves out 'clear_clip' and says nothing about behavioral effects or return values. Adequate but with clear gaps.

Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.

Parameters3/5

Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?

Schema description coverage is 100%, with the action enum fully documented and each parameter explained. The description adds no format or syntax detail beyond the schema, so the baseline 3 is appropriate.

Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.

Purpose4/5

Does the description clearly state what the tool does and how it differs from similar tools?

The description names a specific resource (Ableton Live 12 Groove Pool) and enumerates verbs (queries pool grooves, adjusts global song groove amount, assigns groove templates, inspects clip groove status). It is clearly distinct from sibling clip/transport tools, though it omits the 'clear_clip' detach action that the schema enum includes.

Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.

Usage Guidelines2/5

Does the description explain when to use this tool, when not to, or what alternatives exist?

There is no explicit when-to-use/when-not-to-use guidance or mention of alternatives. The action list implies dispatch (e.g., use set_song_amount for global intensity), but nothing routes the agent between this tool and related siblings like live12_clip_quantize or live12_song_get_state.

Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.

live12_lom_callB

Invokes any callable method on an object in the Ableton Live Object Model (LOM) at target_path, passing positional and keyword arguments.

ParametersJSON Schema
NameRequiredDescriptionDefault
argsNoPositional arguments list to pass to the method.
kwargsNoKeyword arguments dictionary to pass to the method.
method_nameYesMethod name to invoke (e.g. 'stop_all_clips', 'duplicate_clip_slot', 'add_new_notes').
target_pathYesDotted path to target LOM object (e.g. 'live_set.tracks.0', 'live_set.tracks.0.clip_slots.0.clip').

TDQS

B3.3/5.0
Behavior3/5

Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?

No annotations are provided, so the description carries the full burden. Saying 'any callable method' does usefully signal that arbitrary, potentially state-changing operations can be triggered, but it says nothing about side effects, reversibility, permission/validation errors for bad method names or paths, or what is returned.

Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.

Conciseness5/5

Is the description appropriately sized, front-loaded, and free of redundancy?

A single front-loaded sentence with no filler. Nothing is repeated and the core capability is stated immediately.

Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.

Completeness3/5

Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?

For a fully generic dispatch tool with no annotations and no output schema, the definition covers the invocation contract but omits how results are returned, whether errors are raised for invalid paths/methods, and whether nested LOM objects can be passed in args. Adequate but with clear gaps given the tool's breadth.

Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.

Parameters3/5

Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?

Schema coverage is 100% and every parameter has a description with concrete examples. The description restates that positional and keyword arguments are passed but adds no format rules, nesting conventions, or constraints beyond the schema, so baseline 3 applies.

Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.

Purpose4/5

Does the description clearly state what the tool does and how it differs from similar tools?

Names a specific verb ('Invokes'), a specific resource ('any callable method on an object in the Ableton Live Object Model'), and the required locator (target_path). It implicitly separates itself from lom_get/lom_set by saying 'any callable method', but never names those siblings explicitly, so an agent must infer the boundary.

Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.

Usage Guidelines2/5

Does the description explain when to use this tool, when not to, or what alternatives exist?

There is no statement of when to prefer this generic escape hatch over the many dedicated siblings (live12_track_set_properties, live12_clip_fire, live12_lom_get/set, etc.) or over live12_lom_inspect. The description only says what it does, leaving the choice of tool entirely to inference.

Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.

live12_lom_getB

Reads the value of any property on an object in the Ableton Live Object Model (LOM) at the specified path.

ParametersJSON Schema
NameRequiredDescriptionDefault
target_pathYesDotted path to target LOM object (e.g. 'live_set', 'live_set.tracks.0.mixer_device').
property_nameYesName of the property to read (e.g. 'tempo', 'name', 'volume').

TDQS

B3.4/5.0
Behavior3/5

Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?

No annotations are supplied, so the description carries the full burden; it does make the non-mutating nature clear via 'Reads'. It says nothing about what happens with an invalid path or unknown property (error vs. null), or that return types vary by property (number, string, object).

Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.

Conciseness5/5

Is the description appropriately sized, front-loaded, and free of redundancy?

A single sentence with zero padding, front-loading the verb and the resource. Nothing in it is redundant or wasted.

Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.

Completeness2/5

Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?

With no output schema and no annotations, the description should compensate by indicating the shape of the returned value and how paths are discovered. Instead it stops at 'Reads the value', leaving the agent without the two pieces of context this tool actually needs.

Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.

Parameters3/5

Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?

Schema coverage is 100% and both parameters carry dot-path and property-name examples ('live_set.tracks.0.mixer_device', 'tempo'), so the schema does the work. The description adds no syntax or path-construction detail beyond it.

Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.

Purpose4/5

Does the description clearly state what the tool does and how it differs from similar tools?

States a specific verb ('Reads') and a specific resource (a property on an object in the Ableton Live Object Model at a given path). The read verb implicitly separates it from live12_lom_set and live12_lom_call, but neither sibling is named, so differentiation is left partly to inference.

Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.

Usage Guidelines3/5

Does the description explain when to use this tool, when not to, or what alternatives exist?

Usage is implied by the read verb, but there is no explicit when-to-use, when-not, or routing to alternatives. Notably absent is the guidance an agent most needs: to use live12_lom_inspect (or lom_call for methods) when the path or property name is unknown.

Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.

live12_lom_inspectA

Dynamically introspects any object reachable in the Ableton Live Object Model (LOM) from 'live_set' or 'live_app', returning its Python/C++ type, readable properties, and callable methods.

ParametersJSON Schema
NameRequiredDescriptionDefault
target_pathYesDotted path from LOM root (e.g. 'live_set', 'live_set.tracks.0', 'live_set.tracks.0.clip_slots.0.clip', 'live_app.view').

TDQS

A3.6/5.0
Behavior3/5

Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?

No annotations are provided, so the description carries the full burden. It does convey that this is a read-only inspection returning type/properties/methods, which usefully implies no mutation, but it says nothing about behavior on invalid paths (error vs empty result), performance, or that it only reads reachable objects from the two roots.

Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.

Conciseness5/5

Is the description appropriately sized, front-loaded, and free of redundancy?

A single well-formed sentence, front-loaded with the action and resource, with the return contents trailing. No filler or repetition.

Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.

Completeness4/5

Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?

With one parameter, no output schema and no annotations, the description adequately covers what the call returns (type, properties, methods) and the valid root paths. It could be more complete by stating how the discovered paths feed the sibling lom_get/set/call tools and what happens on a bad path.

Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.

Parameters3/5

Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?

Schema coverage is 100% and its description already supplies example paths including 'live_set' and 'live_app.view'. The tool description's mention of the 'live_set'/'live_app' roots largely duplicates that, adding no syntax or traversal meaning beyond the schema, so the baseline 3 applies.

Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.

Purpose4/5

Does the description clearly state what the tool does and how it differs from similar tools?

States a specific verb ('introspects') and precise resource (any object reachable in the Ableton Live Object Model from 'live_set' or 'live_app'), and names what it yields (type, readable properties, callable methods). It does not explicitly differentiate itself from the closely related siblings live12_lom_get / live12_lom_set / live12_lom_call, so an agent must infer the distinction.

Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.

Usage Guidelines3/5

Does the description explain when to use this tool, when not to, or what alternatives exist?

Usage is only implied: 'introspects' suggests a discovery step before get/set/call, but the description never says when to use this instead of live12_lom_get or live12_lom_call, nor does it state prerequisites. No exclusions or alternative routing are given.

Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.

live12_lom_setC

Dynamically sets the value of any writable property on an object in the Ableton Live Object Model (LOM).

ParametersJSON Schema
NameRequiredDescriptionDefault
valueYesNew value to assign. Can be string, number, boolean, array, or object.
target_pathYesDotted path to target LOM object (e.g. 'live_set', 'live_set.tracks.0').
property_nameYesName of property to modify (e.g. 'tempo', 'name', 'color').

TDQS

C2.9/5.0
Behavior2/5

Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?

With no annotations, the description must carry the full behavioral burden. It usefully states that only writable properties are targeted, but it does not disclose side effects, error behavior for invalid paths or non-writable properties, whether changes are undoable, or any permission or rate-limit context.

Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.

Conciseness5/5

Is the description appropriately sized, front-loaded, and free of redundancy?

The description is a single front-loaded sentence with no redundant or wasted text. It efficiently communicates the core operation.

Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.

Completeness2/5

Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?

For a generic mutation tool with no annotations and no output schema, the description is too sparse. It does not explain validation behavior, failure modes, or the consequences of setting an invalid or read-only property, leaving important operational context missing.

Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.

Parameters3/5

Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?

Schema description coverage is 100%, so all three parameters are already documented in the schema. The description adds no parameter-specific meaning beyond the schema's examples and types, so the baseline of 3 is appropriate.

Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.

Purpose4/5

Does the description clearly state what the tool does and how it differs from similar tools?

The description states a specific verb and resource: 'sets the value of any writable property on an object in the Ableton Live Object Model (LOM).' This clearly distinguishes setting from sibling operations like live12_lom_get and live12_lom_call, though it does not explicitly name those alternatives.

Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.

Usage Guidelines2/5

Does the description explain when to use this tool, when not to, or what alternatives exist?

It implies usage by saying it sets writable LOM properties, but gives no explicit when-to-use guidance, no exclusions, and no comparison to live12_lom_get, live12_lom_call, or live12_lom_inspect.

Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.

live12_meld_controlC

Updates engine parameters on the Ableton Live 12 Meld bi-timbral macro synthesizer.

ParametersJSON Schema
NameRequiredDescriptionDefault
track_indexYesZero-based track index.
device_indexYesZero-based index of the Meld device.
engine_paramsYesDictionary of Meld engine parameters to update (e.g. {'macro_a': 0.5, 'macro_b': 0.8}).

TDQS

C2.9/5.0
Behavior2/5

Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?

No annotations are provided, so the description carries the full burden of behavioral disclosure. It only says 'updates engine parameters' without mentioning permissions, reversibility, error handling, or any side effects. This is insufficient for a mutation tool.

Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.

Conciseness4/5

Is the description appropriately sized, front-loaded, and free of redundancy?

The description is a single, front-loaded sentence with no wasted words. It is appropriately sized for a tool with a rich schema, though it could be more informative.

Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.

Completeness2/5

Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?

Given the tool has a nested object parameter, no annotations, and no output schema, the description is too sparse. It does not explain what engine parameters are available, their expected format, or what the tool returns, leaving significant gaps.

Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.

Parameters3/5

Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?

Schema description coverage is 100%, so the schema already documents all three parameters. The description adds no extra meaning beyond the schema; it merely repeats the general action. Baseline 3 is appropriate.

Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.

Purpose4/5

Does the description clearly state what the tool does and how it differs from similar tools?

States a specific verb ('Updates') and resource ('engine parameters on the Ableton Live 12 Meld bi-timbral macro synthesizer'), making the tool's purpose clear. However, it does not differentiate from similar device-specific tools like live12_roar_control or the generic live12_device_set_parameter.

Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.

Usage Guidelines2/5

Does the description explain when to use this tool, when not to, or what alternatives exist?

The description provides no guidance on when to use this tool versus alternatives such as live12_device_set_parameter or other device-specific controls. It lacks any context about prerequisites or appropriate scenarios.

Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.

live12_mixer_setB

Adjusts track mixer controls in Ableton Live 12: volume fader, stereo panning, auxiliary send levels, and crossfader assignment.

ParametersJSON Schema
NameRequiredDescriptionDefault
panNoStereo panning position between -1.0 (hard left) and 1.0 (hard right), with 0.0 as center.
sendsNoDictionary mapping zero-based send index strings to send level amounts [0.0, 1.0] (e.g. {'0': 0.5, '1': 0.25}).
volumeNoMixer fader volume normalized between 0.0 and 1.0 (where 0.85 represents unity gain / 0 dB).
crossfaderNoCrossfader assignment: 'A', 'B', or 'None'.
track_indexYesZero-based track index.

TDQS

B3.1/5.0
Behavior2/5

Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?

With no annotations, the description carries the full burden for a mutation tool. It never says whether omitted parameters are left untouched or reset, whether the track must exist, or whether changes are audible immediately โ€” all key for a write to a live DAW.

Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.

Conciseness5/5

Is the description appropriately sized, front-loaded, and free of redundancy?

A single front-loaded sentence that names the resource, the host application, and the four adjustable controls with zero filler.

Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.

Completeness3/5

Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?

The schema is rich (ranges, enums, nested sends, unity-gain reference) and there's no output schema to explain, but for a write tool with no annotations the description should still cover partial-update semantics and failure modes. Adequate but incomplete.

Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.

Parameters3/5

Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?

Schema coverage is 100% and each parameter already documents ranges, units (0.85 = unity gain), and the sends dictionary format. The description only restates the field list, adding no syntax or edge-case meaning beyond the schema, so baseline 3 applies.

Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.

Purpose4/5

Does the description clearly state what the tool does and how it differs from similar tools?

States a specific verb and resource (adjust track mixer controls) and enumerates the exact controllable aspects: volume, pan, sends, crossfader. That clearly separates it from siblings like live12_track_set_properties or live12_device_set_parameter, though it doesn't name those siblings explicitly.

Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.

Usage Guidelines2/5

Does the description explain when to use this tool, when not to, or what alternatives exist?

There is no guidance on when to use this versus live12_track_set_properties (also a track-level mutation) or live12_routing_set. No prerequisites or exclusions are stated, so the agent must infer selection from the field list alone.

Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.

live12_os_export_audioC

Triggers audio bounce / render in Ableton Live 12 to a target destination WAV file.

ParametersJSON Schema
NameRequiredDescriptionDefault
render_settingsNoOptional export settings dictionary (sample_rate, bit_depth, dither_type, render_start, render_length).
destination_wav_pathYesAbsolute filesystem destination path for the rendered .wav file.

TDQS

C2.9/5.0
Behavior2/5

Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?

No annotations are provided, so the description carries the full behavioral burden. It states that a render is triggered, but omits important traits such as whether files are overwritten, whether the call blocks, what errors may occur, and what prerequisites exist for a successful bounce.

Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.

Conciseness5/5

Is the description appropriately sized, front-loaded, and free of redundancy?

The description is a single front-loaded sentence with no wasted words. It communicates the core action efficiently, though its brevity contributes to gaps elsewhere.

Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.

Completeness2/5

Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?

For a render/export operation with a nested settings object and no output schema, the description is too thin. It does not explain return behavior, default render settings, overwrite semantics, or what the agent should expect after invocation.

Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.

Parameters3/5

Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?

Schema description coverage is 100%, so both parameters are already documented in the schema. The description only restates the destination WAV path and adds no meaning beyond the schema, so the baseline score of 3 is appropriate.

Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.

Purpose4/5

Does the description clearly state what the tool does and how it differs from similar tools?

The description states a specific action ("Triggers audio bounce / render") and resource/destination ("target destination WAV file"), making the tool's purpose clear. It does not explicitly differentiate from siblings such as live12_os_save_set, but none are close enough to create ambiguity.

Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.

Usage Guidelines2/5

Does the description explain when to use this tool, when not to, or what alternatives exist?

The description does not say when to use this tool versus alternatives, nor does it mention prerequisites such as transport state, set preparation, or whether the render is real-time. Usage is only implied by the action itself.

Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.

live12_os_open_setC

Opens an Ableton Live Set (.als) project document in Ableton Live 12.

ParametersJSON Schema
NameRequiredDescriptionDefault
als_pathYesAbsolute filesystem path to the .als file.

TDQS

C2.9/5.0
Behavior2/5

Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?

No annotations exist, so the description carries the full behavioral burden. For a file-opening operation it says nothing about what happens to the currently loaded set, whether unsaved changes are lost, whether it blocks until load completes, or what errors occur for a bad path โ€” all critical for an agent deciding to call it.

Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.

Conciseness5/5

Is the description appropriately sized, front-loaded, and free of redundancy?

A single front-loaded sentence with the verb first and zero filler. Nothing in it is wasted, though the brevity is also the source of the missing behavioral detail scored elsewhere.

Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.

Completeness2/5

Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?

With no annotations, no output schema, and a side-effecting operation that changes global application state, the description should disclose at minimum what happens to the current session and whether the call is blocking. None of that is present, leaving the agent to guess at consequences.

Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.

Parameters3/5

Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?

Schema coverage is 100% and the single parameter is fully documented in the schema as an absolute filesystem path to the .als file. The description adds no additional meaning beyond the resource type already implied by the name, so the baseline 3 applies.

Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.

Purpose4/5

Does the description clearly state what the tool does and how it differs from similar tools?

States a specific verb and resource ('Opens an Ableton Live Set (.als) project document') with the target application named. It is distinguishable from live12_os_save_set and live12_os_export_audio by direction, but it never explicitly contrasts itself with those siblings.

Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.

Usage Guidelines2/5

Does the description explain when to use this tool, when not to, or what alternatives exist?

There is no guidance on when to call this versus alternatives, no prerequisites (is a running Live 12 instance required?), and no note on whether an already-open set is replaced. The agent must infer all usage conditions from the one-line statement.

Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.

live12_os_save_setC

Triggers saving the current Ableton Live project set (.als) to a destination path on macOS.

ParametersJSON Schema
NameRequiredDescriptionDefault
destination_pathYesAbsolute destination filesystem path ending in .als.

TDQS

C2.9/5.0
Behavior2/5

Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?

With no annotations, the description carries the full disclosure burden, yet it does not say whether this overwrites an existing file at destination_path, whether it behaves as Save-As versus overwriting the current set, whether Live shows a modal dialog, or what happens on failure. 'Triggers saving' leaves the mutation's side effects ambiguous.

Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.

Conciseness4/5

Is the description appropriately sized, front-loaded, and free of redundancy?

One front-loaded sentence with no filler; the action and target come first. It is arguably too terse for a filesystem-mutating tool, but nothing is wasted or buried.

Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.

Completeness2/5

Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?

A mutation tool with no annotations, no output schema, and no description of success/failure semantics, overwrite behavior, or path validation beyond the schema. For a save-to-disk operation the agent needs more than 'triggers saving' to invoke it safely.

Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.

Parameters3/5

Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?

Schema coverage is 100%: destination_path is already documented as an absolute path ending in .als with minLength 1. The description only adds the 'current project set' framing and macOS context, which is marginal beyond the schema.

Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.

Purpose4/5

Does the description clearly state what the tool does and how it differs from similar tools?

States a specific verb (save), a specific resource (the current Ableton Live project set, .als) and the destination. It is distinguishable from live12_os_open_set and live12_os_export_audio by name and verb, but it never explicitly contrasts with those siblings.

Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.

Usage Guidelines2/5

Does the description explain when to use this tool, when not to, or what alternatives exist?

No statement of when to use this versus live12_os_export_audio (audio rendering) or live12_os_open_set, and no prerequisites. Usage is only inferable from the verb; there are no exclusions or alternative routing.

Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.

live12_rack_macro_configB

Configures macro knobs on an Ableton Live 12 Rack device: sets visible macro count (1 to 16), adds macro, removes macro, randomizes macros, or queries rack chains.

ParametersJSON Schema
NameRequiredDescriptionDefault
countNoTarget visible macro count [1..16] for set_count.
actionYesRack action: 'get_config' read macro count and chain list, 'set_count' adjust visible macros, 'add_macro' increment, 'remove_macro' decrement, 'randomize' randomize macro values.
track_indexYesZero-based track index.
device_indexYesZero-based index of Rack device.

TDQS

B3.2/5.0
Behavior2/5

Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?

With no annotations, the description carries the full burden. It does reveal that 'randomize' changes macro values and 'remove_macro' decrements, but it never says whether removal destroys existing macro mappings, whether randomize is reversible, or whether any of these actions require the Rack to be selected/focused. For a mutation tool with zero annotation coverage, this is a significant gap.

Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.

Conciseness4/5

Is the description appropriately sized, front-loaded, and free of redundancy?

A single sentence that front-loads the target resource and then lists the operations without filler. Slightly dense in its parenthetical action list but nothing is wasted.

Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.

Completeness3/5

Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?

The tool has no output schema and no annotations, so the description must supply behavioral context on its own. It covers what each action nominally does but omits what get_config returns, the side effects of add/remove on existing mappings, and any error conditions (e.g., reducing count below in-use macros).

Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.

Parameters3/5

Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?

Schema coverage is 100%, and the input schema already documents the action enum, the 1..16 count bound, and zero-based track/device indices. The description only restates the count range (1 to 16), adding no syntax, defaults, or interaction rules beyond the schema, so baseline 3 applies.

Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.

Purpose4/5

Does the description clearly state what the tool does and how it differs from similar tools?

States a specific verb (configures) and resource (macro knobs on an Ableton Live 12 Rack device) and enumerates the five supported operations. It is clearly about rack macro configuration rather than value control, but it never names the closest siblings (live12_rack_macro_control, live12_rack_variation_control), so an agent must infer the boundary itself.

Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.

Usage Guidelines3/5

Does the description explain when to use this tool, when not to, or what alternatives exist?

The action enumeration implicitly signals usage (query config vs. resize vs. randomize), giving some guidance. However there is no explicit when-to-use or when-not versus live12_rack_macro_control / live12_rack_variation_control, and no prerequisites such as needing a Rack device loaded at the given indices.

Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.

live12_rack_macro_controlC

Controls one of the 16 macro controls on an Ableton Live 12 Rack device (Instrument Rack, Audio Effect Rack, MIDI Effect Rack).

ParametersJSON Schema
NameRequiredDescriptionDefault
valueYesNormalized macro knob position between 0.0 and 1.0.
macro_indexYesZero-based macro index between 0 and 15 (corresponding to Macro 1 through 16).
track_indexYesZero-based track index.
device_indexYesZero-based index of the Rack device.

TDQS

C2.9/5.0
Behavior2/5

Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?

No annotations are provided, so the description carries the full burden. It does not state that this is a mutating write, whether the target device must already be a Rack, what happens if the indices are out of range or the device isn't a Rack, or whether the change is undoable. Only the scope (16 macros, Rack-only) is disclosed.

Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.

Conciseness4/5

Is the description appropriately sized, front-loaded, and free of redundancy?

A single well-formed sentence that front-loads the verb and scope with zero filler. It is efficient, though it is arguably too terse given the absence of annotations.

Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.

Completeness3/5

Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?

For a 4-required-parameter mutation with no annotations and no output schema, the description leaves notable gaps: no statement of mutation semantics, preconditions (device must be a Rack), or failure behavior. It is minimally adequate but not complete for a tool with zero structured behavioral metadata.

Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.

Parameters3/5

Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?

Schema coverage is 100%, so track_index, device_index, macro_index, and value are all documented with ranges and normalization. The description adds only the corroborating detail that there are 16 macros, matching the 0-15 range already in the schema. Baseline 3 is appropriate.

Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.

Purpose4/5

Does the description clearly state what the tool does and how it differs from similar tools?

States a specific verb ('Controls') and resource ('one of the 16 macro controls on an Ableton Live 12 Rack device'), and enumerates the three Rack types it applies to. It distinguishes itself from generic device tools by scoping to Rack macros, though it never explicitly contrasts with the close sibling live12_rack_macro_config.

Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.

Usage Guidelines2/5

Does the description explain when to use this tool, when not to, or what alternatives exist?

No when-to-use guidance, no prerequisites, and no mention of alternatives such as live12_device_set_parameter or live12_rack_macro_config. The agent must infer from the name alone whether this is the right tool versus the macro-config or variation-control siblings.

Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.

live12_rack_variation_controlB

Manages Macro Variations on an Ableton Live 12 Rack device (store current macro snapshot, recall a variation, or delete a variation).

ParametersJSON Schema
NameRequiredDescriptionDefault
actionYesAction to perform: 'store' to snapshot current macros, 'recall' to load variation, 'delete' to remove variation.
track_indexYesZero-based track index.
device_indexYesZero-based index of the Rack device.
variation_indexNoZero-based index of the variation to recall or delete.

TDQS

B3.3/5.0
Behavior2/5

Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?

With no annotations, the description carries the full behavioral burden. It signals a mutation surface (store/recall/delete) but never states whether 'recall' overwrites current live macro values, whether 'store' overwrites an existing variation at an index, whether 'delete' is destructive/irreversible, or any limits on variation count โ€” the very risks an agent needs to know before mutating a Rack.

Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.

Conciseness5/5

Is the description appropriately sized, front-loaded, and free of redundancy?

A single front-loaded sentence with the resource named first and the three operations enumerated compactly. No filler, no repetition of schema text beyond the brief parenthetical.

Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.

Completeness3/5

Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?

Parameters are fully covered by the schema and no output schema exists, so nothing about argument shape is missing. However, for an un-annotated mutation tool on a Rack device, the description omits the behavioral consequences of recall/store/delete, leaving an agent unable to predict side effects.

Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.

Parameters3/5

Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?

Schema description coverage is 100%, so every parameter including the action enum and zero-based indices is already documented in the schema. The description's action list merely restates the enum values, adding no format or constraint detail beyond the schema, so baseline 3 applies.

Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.

Purpose4/5

Does the description clearly state what the tool does and how it differs from similar tools?

States a specific verb ('Manages') and resource ('Macro Variations on an Ableton Live 12 Rack device'), then enumerates the three operations in parentheses. It distinguishes itself conceptually from the macro-control/config siblings by naming 'Variations', but never names those siblings explicitly.

Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.

Usage Guidelines3/5

Does the description explain when to use this tool, when not to, or what alternatives exist?

The parenthetical clarifies what each of the three actions does, but there is no explicit guidance on when to choose this tool over live12_rack_macro_control or live12_rack_macro_config, and no preconditions stated. Usage is only implied by the action list.

Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.

live12_roar_controlC

Configures distortion stages, routing configuration, and feedback settings on the Ableton Live 12 Roar saturation device.

ParametersJSON Schema
NameRequiredDescriptionDefault
track_indexYesZero-based track index.
device_indexYesZero-based index of the Roar device.
stage_paramsYesDictionary of Roar stage parameters (e.g. {'drive': 12.0, 'stage': 'single', 'bias': 0.2}).

TDQS

C2.9/5.0
Behavior2/5

Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?

With no annotations, the description carries the full burden of behavioral disclosure. It conveys that this is a configuration/mutation operation, but it does not explain merge vs overwrite semantics for stage_params, what happens to unspecified settings, required permissions, or what the call returns.

Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.

Conciseness5/5

Is the description appropriately sized, front-loaded, and free of redundancy?

The definition is a single front-loaded sentence with no filler or repetition. The stated scope arrives immediately, and every phrase contributes to identifying the device and configuration areas.

Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.

Completeness2/5

Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?

The tool has three required parameters, a nested object, and no annotations or output schema. For a mutation-style device configuration tool, the description is too thin about stage_params contents, application behavior, and failure conditions to be complete.

Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.

Parameters3/5

Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?

Schema description coverage is 100%, so the schema already documents track_index, device_index, and the stage_params dictionary. The description only loosely maps its stated areas to stage_params and does not add key-level meaning or format details beyond the schema's example.

Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.

Purpose4/5

Does the description clearly state what the tool does and how it differs from similar tools?

The description names a specific verb (Configures) and precise resource areas (distortion stages, routing, feedback) on the Ableton Live 12 Roar saturation device. It is clearly distinguishable from generic device tools by device type, but it does not explicitly contrast itself with siblings like live12_device_set_parameter.

Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.

Usage Guidelines2/5

Does the description explain when to use this tool, when not to, or what alternatives exist?

The only usage signal is the implicit scope of the Roar device. There is no explicit when-to-use guidance, no mention of alternatives such as live12_device_set_parameter, and no note on prerequisites like ensuring the track/device exists before calling.

Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.

live12_routing_getA

Inspects current and available input and output audio/MIDI routing types and channels for a track in Ableton Live 12.

ParametersJSON Schema
NameRequiredDescriptionDefault
track_indexYesZero-based track index.

TDQS

A3.6/5.0
Behavior3/5

Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?

No annotations are provided, so the description carries the burden; 'inspects' plus 'current and available' does communicate that this is a non-mutating read that also enumerates the selectable option set, which is genuinely useful context. However, it says nothing about the shape of the returned routing data, error behavior for invalid track indices, or permission/liveness requirements.

Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.

Conciseness5/5

Is the description appropriately sized, front-loaded, and free of redundancy?

One sentence, front-loaded with the verb and resource, with no filler or redundancy.

Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.

Completeness4/5

Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?

For a single-parameter read tool with no annotations and no output schema, the description adequately conveys scope and that both current and available routing options are returned. A brief hint at the return structure (per input/output slot) would close the remaining gap.

Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.

Parameters3/5

Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?

Schema coverage is 100% and the single track_index parameter is already documented as zero-based in the schema, so the description adds no meaning beyond it. The phrase 'for a track' only loosely restates the parameter's purpose.

Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.

Purpose4/5

Does the description clearly state what the tool does and how it differs from similar tools?

The description names a specific verb (inspects) and resource (input/output audio/MIDI routing types and channels) scoped to a track, which is precise and readily separable from live12_routing_set by the get/set verb pair. It stops short of explicitly naming the sibling as its counterpart, so it lands just below the top score.

Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.

Usage Guidelines3/5

Does the description explain when to use this tool, when not to, or what alternatives exist?

There is no explicit when-to-use statement or named alternative; the agent must infer that this is the discovery step before live12_routing_set. Usage is implied by 'current and available' but never stated.

Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.

live12_routing_setC

Configures input and output audio/MIDI routing and monitoring state for a track in Ableton Live 12.

ParametersJSON Schema
NameRequiredDescriptionDefault
input_typeNoInput routing type (e.g. 'Ext. In', 'All Ins', 'No Input').
monitoringNoMonitoring state: 'In' (listen to input), 'Auto' (monitor on record arm), or 'Off'.
output_typeNoOutput routing type (e.g. 'Master', 'Sends Only', 'Ext. Out').
track_indexYesZero-based track index.
input_channelNoInput routing channel (e.g. '1/2', '1', '2', 'Ch. 1').
output_channelNoOutput routing channel (e.g. '1/2', '3/4').

TDQS

C2.9/5.0
Behavior2/5

Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?

No annotations are provided, so the description carries the full behavioral burden, yet it says nothing about whether changes are immediate, whether they can interrupt audio playback, whether omitted parameters are left untouched, or what permissions/state the track must be in. For a live mutation tool this is a real gap.

Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.

Conciseness4/5

Is the description appropriately sized, front-loaded, and free of redundancy?

A single tight sentence with no padding and the resource front-loaded. Minor deduction because it claims MIDI routing while every documented parameter (input_type, output_type, channel) is audio-routing oriented, leaving a small ambiguity.

Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.

Completeness2/5

Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?

With 6 parameters, no annotations, and no output schema, the description is too thin: it doesn't explain whether the call is partial-update or full-replace, what happens on invalid routing pairs, or what is returned. An agent calling this correctly would need to guess on several points.

Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.

Parameters3/5

Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?

Schema description coverage is 100% and each parameter is individually documented with examples and an enum for monitoring, so the schema does the heavy lifting. The description adds no routing-specific semantics (e.g. valid type/channel pairings, ordering constraints) beyond what the schema already states.

Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.

Purpose4/5

Does the description clearly state what the tool does and how it differs from similar tools?

The description names a specific verb ("Configures") and precise resources (input/output audio/MIDI routing, monitoring state) scoped to a track in Ableton Live 12, so an agent can tell what it does. It doesn't explicitly distinguish itself from the sibling live12_routing_get, which is left implicit by the set/get naming.

Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.

Usage Guidelines2/5

Does the description explain when to use this tool, when not to, or what alternatives exist?

There is no guidance on when to use this versus live12_routing_get (read routing) or live12_mixer_set, nor any prerequisite such as the track existing or needing to be selected. The agent must infer usage entirely from the verb.

Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.

live12_scene_createC

Creates a new scene in Ableton Live 12 (Song.create_scene).

ParametersJSON Schema
NameRequiredDescriptionDefault
indexNoZero-based index at which to insert the scene, or -1 to append at the end.

TDQS

C2.9/5.0
Behavior2/5

Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?

No annotations are provided, so the description carries the full burden. It only names the action; it does not say whether the new scene is empty, where clips from an existing scene go, whether the operation is undoable, or what the result contains. Mentioning Song.create_scene is a small traceability aid but not behavioral context.

Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.

Conciseness4/5

Is the description appropriately sized, front-loaded, and free of redundancy?

One short sentence with the action front-loaded and no filler. It is efficient, though slightly under-specified for a mutation tool rather than genuinely tight writing.

Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.

Completeness3/5

Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?

For a one-optional-parameter creation tool with a fully described schema and no annotations, the description is minimally adequate. It omits what creation returns (e.g., new scene index) and has no output schema to fall back on, leaving a gap an agent would notice after the call.

Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.

Parameters3/5

Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?

Schema coverage is 100% and the single 'index' parameter documents both the zero-based insertion point and the -1 default, so the description need not repeat it. Baseline 3 applies; the description adds nothing to parameter meaning.

Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.

Purpose4/5

Does the description clearly state what the tool does and how it differs from similar tools?

States a specific verb and resource ('Creates a new scene in Ableton Live 12') plus the underlying LOM call, which is unambiguous. It does not, however, distinguish itself from sibling tools like live12_scene_fire or live12_scene_set_properties, which operate on existing scenes.

Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.

Usage Guidelines2/5

Does the description explain when to use this tool, when not to, or what alternatives exist?

There is no guidance on when to create a new scene versus firing or modifying an existing one, and no prerequisites or side-effect warnings are given. The agent must infer that this is the only tool that adds a scene.

Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.

live12_scene_fireB

Launches all clip slots aligned in a scene in Ableton Live 12 (Scene.fire).

ParametersJSON Schema
NameRequiredDescriptionDefault
indexYesZero-based scene index to launch.

TDQS

B3.3/5.0
Behavior2/5

Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?

No annotations are present, so the description carries the full behavioral burden, yet it only states that clip slots are launched. It does not mention that this starts playback, interacts with transport state, may stop other clips, or is subject to launch quantization, all of which are important side effects for a live-performance mutation tool.

Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.

Conciseness5/5

Is the description appropriately sized, front-loaded, and free of redundancy?

A single, front-loaded sentence that states the action and scope with no wasted words. The API method reference is compact and useful for agent grounding.

Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.

Completeness3/5

Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?

For a one-parameter tool with a fully documented schema and no output schema, the description covers the core action adequately. However, because there are no annotations, it should disclose more about playback side effects and scene-launch behavior to be fully complete.

Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.

Parameters3/5

Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?

Schema description coverage is 100%, so the single 'index' parameter is already documented as a zero-based scene index. The description adds context that the scene contains aligned clip slots but does not clarify index semantics beyond what the schema provides, making the baseline 3 appropriate.

Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.

Purpose4/5

Does the description clearly state what the tool does and how it differs from similar tools?

The description names a specific verb ('launches') and resource ('all clip slots aligned in a scene'), and preserves the underlying API method (Scene.fire). This implicitly distinguishes it from live12_clip_fire, which fires a single clip, but it does not name that sibling explicitly.

Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.

Usage Guidelines3/5

Does the description explain when to use this tool, when not to, or what alternatives exist?

Usage is implied by 'launches... in a scene': the tool is for triggering a whole scene rather than an individual clip. However, there is no explicit guidance on when to prefer it over live12_clip_fire or how it relates to transport tools, leaving the agent to infer the distinction.

Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.

live12_scene_set_propertiesC

Configures scene parameters in Ableton Live 12, including scene name, color, tempo assignment, and time signature assignment.

ParametersJSON Schema
NameRequiredDescriptionDefault
nameNoScene display name.
colorNoRGB integer color value.
tempoNoTempo in BPM triggered when this scene is fired.
scene_indexYesZero-based scene index.
tempo_enabledNoWhether scene tempo trigger is active.
time_signature_enabledNoWhether scene time signature trigger is active.
time_signature_numeratorNoTime signature numerator triggered by this scene.
time_signature_denominatorNoTime signature denominator triggered by this scene.

TDQS

C2.9/5.0
Behavior2/5

Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?

No annotations are provided, so the description carries the full burden of behavioral disclosure. It says 'configures' but does not state whether this is a partial update, whether omitted fields are preserved, or how tempo_enabled/time_signature_enabled interact with their associated value fields; for an 8-parameter mutation tool this is a meaningful gap.

Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.

Conciseness4/5

Is the description appropriately sized, front-loaded, and free of redundancy?

The description is a single, front-loaded sentence with no wasted words. It is concise but could have used the available space to clarify update semantics or the enabled/disabled flags.

Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.

Completeness2/5

Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?

Given no annotations, no output schema, and 8 parameters with conditionally relevant fields, the description is incomplete: it does not explain partial update behavior, required existing-scene context, or how the enabled flags gate tempo and time signature values. The schema covers parameter meaning, but the tool's behavioral contract remains under-specified.

Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.

Parameters3/5

Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?

Schema description coverage is 100%, so the schema already documents all 8 parameters. The description lists the configurable dimensions but does not add constraints or coupling semantics beyond what the schema provides, such as why tempo_enabled exists alongside tempo.

Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.

Purpose4/5

Does the description clearly state what the tool does and how it differs from similar tools?

The description gives a specific verb and resource ('Configures scene parameters in Ableton Live 12') and enumerates the configurable fields: name, color, tempo assignment, and time signature assignment. It is distinguishable from scene_create and scene_fire, but it does not explicitly differentiate itself from adjacent property-setting tools like live12_clip_set_properties or live12_track_set_properties.

Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.

Usage Guidelines2/5

Does the description explain when to use this tool, when not to, or what alternatives exist?

The description does not explain when to use this tool versus scene_create, scene_fire, or transport-level tempo/time signature tools. It also omits prerequisites (e.g., that the scene_index must refer to an existing scene) and does not mention when to prefer this over direct LOM calls.

Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.

live12_simpler_controlC

Controls specialized features of Ableton Simpler, including transient slicing to a Drum Rack or replacing the loaded sample audio file.

ParametersJSON Schema
NameRequiredDescriptionDefault
actionYesSimpler action: 'slice' to create slice points, 'replace_sample' to load audio file.
paramsNoAction-specific parameters (e.g. {'sample_path': '/path/to/sample.wav'}).
track_indexYesZero-based track index.
device_indexYesZero-based index of the Simpler device.

TDQS

C2.9/5.0
Behavior2/5

Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?

No annotations are provided, so the description carries the full burden. It does not disclose that 'slice' creates new slice points and can route slices to a Drum Rack (a side-effecting structural change), that 'replace_sample' overwrites the currently loaded audio, what permissions/state are required, or whether either action is undoable.

Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.

Conciseness4/5

Is the description appropriately sized, front-loaded, and free of redundancy?

A single efficient sentence with the resource and the two capabilities front-loaded; nothing is padded. The only weakness is the vague qualifier 'specialized features... including', which adds words without adding precision.

Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.

Completeness2/5

Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?

For a mutation tool with four parameters, a nested params object, no annotations and no output schema, the description is too thin. It never explains the shape of action-specific params for slicing (slice count, transient detection mode, target Drum Rack), which is the least self-evident part of the call, nor what the call returns.

Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.

Parameters3/5

Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?

Schema description coverage is 100%, so action enum values and both zero-based indices are already documented, which sets the baseline at 3. The description adds no meaning beyond that, and notably says nothing about what the nested 'params' object should contain for the 'slice' action, where the schema only gives a sample_path example for replacement.

Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.

Purpose4/5

Does the description clearly state what the tool does and how it differs from similar tools?

Names a specific verb ('controls') and resource (Ableton Simpler) plus the two supported operations, slicing and sample replacement. It is distinguishable from siblings such as live12_device_set_parameter, though it omits that the tool targets a specific device at track_index/device_index. The word 'including' leaves the scope slightly open-ended.

Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.

Usage Guidelines2/5

Does the description explain when to use this tool, when not to, or what alternatives exist?

There is no guidance on when to use this versus live12_device_set_parameter, live12_browser_load_item, or live12_drum_pad_control, all of which plausibly overlap with slicing/replacing samples. No prerequisites are stated (e.g. that Simpler must already be loaded on the track). Usage is only implied by the operation names.

Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.

live12_song_capture_midiB

Captures recently performed MIDI input without requiring an explicit recording pass in Ableton Live 12 (Song.capture_midi).

ParametersJSON Schema
NameRequiredDescriptionDefault

No parameters

TDQS

B3.4/5.0
Behavior2/5

Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?

No annotations are provided, so the description carries the full behavioral burden. It explains the core capture behavior but does not disclose important side effects, such as where the captured MIDI is stored, whether it creates or modifies a clip, what preconditions apply, or whether the action can overwrite existing material.

Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.

Conciseness5/5

Is the description appropriately sized, front-loaded, and free of redundancy?

The description is a single front-loaded sentence with no wasted words. It communicates the action and the key differentiator efficiently.

Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.

Completeness3/5

Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?

For a zero-parameter tool, the description is minimally adequate: it identifies the action and the no-recording-pass behavior. However, with no annotations and no output schema, it should say more about where the captured MIDI goes and what state is affected, leaving a noticeable gap before an agent can invoke it confidently.

Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.

Parameters4/5

Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?

The tool has zero parameters, so there is no parameter semantics to clarify. The baseline for a parameterless tool is 4, and the description does not introduce confusing or contradictory parameter information.

Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.

Purpose4/5

Does the description clearly state what the tool does and how it differs from similar tools?

The description states a specific verb and resource: captures recently performed MIDI input in Ableton Live 12. It implicitly distinguishes itself from transport recording by saying no explicit recording pass is required, though it does not name a sibling tool directly.

Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.

Usage Guidelines3/5

Does the description explain when to use this tool, when not to, or what alternatives exist?

The phrase 'without requiring an explicit recording pass' implies the main use case: recovering MIDI that was played but not recorded. However, it gives no explicit when-to-use/when-not-to-use guidance and does not name alternatives such as transport_record.

Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.

live12_song_get_stateA

Reads comprehensive song and transport state from Ableton Live 12, including tempo, time signature, playing status, loop parameters, project musical scale, tuning system, and track/scene counts.

ParametersJSON Schema
NameRequiredDescriptionDefault

No parameters

TDQS

A3.7/5.0
Behavior3/5

Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?

With no annotations, the description carries the full behavioral burden. 'Reads' conveys a non-mutating operation, and the field list helps set expectations, but it does not explicitly state that the tool is side-effect-free, nor does it mention performance, caching, or any authorization requirements. Adequate but with clear gaps.

Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.

Conciseness5/5

Is the description appropriately sized, front-loaded, and free of redundancy?

A single, front-loaded sentence that wastes no words. The enumeration of fields is dense but purposeful and directly supports the agent's understanding of the return payload.

Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.

Completeness4/5

Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?

There is no output schema, so the description must communicate what is returned. It does so by listing the key fields (tempo, time signature, playing status, loop parameters, scale, tuning system, track/scene counts), which is sufficient for an agent to decide whether to call it. It could be slightly richer about the response format, but it is largely complete for a zero-parameter read tool.

Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.

Parameters4/5

Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?

The tool takes zero parameters, so parameter semantics are not a concern. The baseline for 0 params is 4, and the description does not need to explain parameters.

Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.

Purpose4/5

Does the description clearly state what the tool does and how it differs from similar tools?

The description uses a specific verb ('Reads') and names the resource ('comprehensive song and transport state from Ableton Live 12'), then enumerates the exact fields returned. It is clear what the tool does, though it does not explicitly differentiate itself from the sibling live12_lom_get, which may also read state.

Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.

Usage Guidelines3/5

Does the description explain when to use this tool, when not to, or what alternatives exist?

Usage is implied: an agent can infer this is the tool for inspecting song-level and transport-level state, especially given the many setter siblings like live12_transport_set_tempo. However, there is no explicit guidance on when to use this versus live12_lom_get or other getters, and no exclusions are stated.

Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.

live12_song_set_scaleC

Sets the global musical scale and root note in Ableton Live 12 (Song.scale_information). Root note is 0 for C, 1 for C#, ..., 11 for B.

ParametersJSON Schema
NameRequiredDescriptionDefault
root_noteYesPitch class integer for root note: 0=C, 1=C#, 2=D, 3=D#, 4=E, 5=F, 6=F#, 7=G, 8=G#, 9=A, 10=A#, 11=B.
scale_nameYesName of the musical scale.

TDQS

C2.9/5.0
Behavior2/5

Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?

No annotations are provided, so the description carries the full burden of behavioral disclosure. It states that the scale is global and references Song.scale_information, but it does not say whether the operation overwrites existing scale data, how it affects existing clips, whether permissions or a loaded set are required, or what a successful call returns.

Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.

Conciseness4/5

Is the description appropriately sized, front-loaded, and free of redundancy?

The description is two short sentences and front-loads the core purpose. The second sentence duplicates the root-note mapping already present in the schema and therefore does not fully earn its place.

Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.

Completeness3/5

Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?

For a simple two-parameter setter, the description is minimally adequate: it names the resource, the global scope, and the backing LOM property. However, with no annotations and no output schema, it leaves behavioral gaps about mutation effects and prerequisites unaddressed.

Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.

Parameters3/5

Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?

Schema description coverage is 100%, so the schema already documents both parameters, including the full 0โ€“11 root-note mapping and the scale_name enum. The description repeats the root-note mapping but adds no meaningful semantics beyond what the schema provides, making the baseline 3 appropriate.

Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.

Purpose4/5

Does the description clearly state what the tool does and how it differs from similar tools?

States a specific verb ('Sets') and resource ('global musical scale and root note') and anchors it to Ableton's Song.scale_information. It is clear what the tool does, but it does not explicitly distinguish itself from the related sibling live12_song_set_tuning_system.

Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.

Usage Guidelines2/5

Does the description explain when to use this tool, when not to, or what alternatives exist?

No when-to-use guidance is given, and no alternative is named. An agent must infer that this tool is for setting the song's musical scale rather than for tuning systems, clip scales, or other related operations.

Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.

live12_song_set_tuning_systemB

Loads and applies a microtonal or alternative tuning system in Ableton Live 12 (Song.tuning_system).

ParametersJSON Schema
NameRequiredDescriptionDefault
tuning_nameYesName or identifier of the tuning system (e.g. 'Werckmeister III', '19-EDO', 'Equal Temperament').

TDQS

B3.1/5.0
Behavior2/5

Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?

With no annotations provided, the description carries the full disclosure burden and mostly falls short: it does not state whether the operation is destructive to an existing tuning, whether invalid tuning names error out, whether it is global or per-track, or whether it persists with the set. Only the mutation nature is implied by 'applies'.

Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.

Conciseness5/5

Is the description appropriately sized, front-loaded, and free of redundancy?

A single front-loaded sentence with the action, the resource, and the underlying LOM path. No filler.

Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.

Completeness3/5

Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?

For a one-parameter mutation tool with no annotations and no output schema, the minimum essentials (what it does, what the parameter means) are covered by the description plus schema. However, critical facts for a microtonal tuning operationโ€”validity rules, scope, and error behaviorโ€”are absent.

Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.

Parameters3/5

Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?

Schema coverage is 100% and the tuning_name property already documents format expectations with concrete examples ('Werckmeister III', '19-EDO'). The description adds nothing beyond the schema, so the baseline 3 applies.

Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.

Purpose4/5

Does the description clearly state what the tool does and how it differs from similar tools?

The description gives a specific verb ('loads and applies') and resource ('tuning system in Ableton Live 12, Song.tuning_system'), which tells the agent exactly what state is affected. It stops short of distinguishing itself from the nearby live12_song_set_scale sibling, which an agent could easily confuse with tuning.

Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.

Usage Guidelines2/5

Does the description explain when to use this tool, when not to, or what alternatives exist?

There is no guidance on when to use this versus live12_song_set_scale, no precondition that the tuning name must exist in Live's tuning library, and no note about whether the change is song-wide. The agent must infer all usage context.

Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.

live12_take_lane_comp_regionC

Comps a region from a take lane into the main arrangement track lane in Ableton Live 12.

ParametersJSON Schema
NameRequiredDescriptionDefault
startYesRegion start position in arrangement beats.
lengthYesRegion length in beats.
lane_indexYesZero-based take lane index.
track_indexYesZero-based track index.

TDQS

C2.9/5.0
Behavior2/5

Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?

With no annotations, the description carries the full burden of behavioral disclosure, but it does not say whether the source take-lane region is removed or copied, whether existing main-lane content is overwritten, or whether the operation is reversible. It identifies the action but leaves key side effects unstated.

Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.

Conciseness5/5

Is the description appropriately sized, front-loaded, and free of redundancy?

The description is a single front-loaded sentence with no redundant or filler content. It efficiently names the operation and its source/destination context.

Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.

Completeness2/5

Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?

For a DAW comping mutation with no annotations, no output schema, and no usage guidance, the description is too thin to fully prepare an agent for invocation. It omits side effects, overwrite behavior, and the relationship to neighboring clip/take-lane tools.

Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.

Parameters3/5

Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?

Schema description coverage is 100%, and the schema documents all four parameters, including that start and length are in arrangement beats and lane_index/track_index are zero-based. The description adds no additional parameter meaning, which is acceptable because the schema already does this work.

Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.

Purpose4/5

Does the description clearly state what the tool does and how it differs from similar tools?

The description states a specific verb ('Comps') and resource ('a region from a take lane into the main arrangement track lane'), making the operation identifiable. It does not explicitly distinguish this from close siblings such as live12_clip_duplicate_to_arrangement, so it falls short of the clearest sibling-aware purpose statements.

Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.

Usage Guidelines2/5

Does the description explain when to use this tool, when not to, or what alternatives exist?

The description only states what the tool does, with no guidance on when to use it versus alternatives like live12_clip_duplicate_to_arrangement or live12_take_lane_list. There are no stated prerequisites or exclusion conditions.

Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.

live12_take_lane_createB

Creates a new take lane for comping on an audio or MIDI track in Ableton Live 12 (Track.create_take_lane).

ParametersJSON Schema
NameRequiredDescriptionDefault
track_indexYesZero-based track index.

TDQS

B3.3/5.0
Behavior2/5

Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?

No annotations are provided, so the description carries the full behavioral burden. It indicates a mutation ('Creates a new take lane') but omits whether existing lanes are affected, whether the new lane is selected, permission requirements, or any side effects beyond the audio/MIDI track context.

Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.

Conciseness5/5

Is the description appropriately sized, front-loaded, and free of redundancy?

A single, front-loaded sentence that states the verb and resource immediately. The parenthetical API method adds useful mapping without meaningful bloat.

Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.

Completeness3/5

Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?

For a simple one-parameter mutation, the description states the object and comping context. With no annotations or output schema, however, it should disclose more about side effects or expected result, leaving clear gaps.

Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.

Parameters3/5

Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?

There is one required parameter and schema description coverage is 100%, so the schema already documents the zero-based track_index. The description only indirectly references the track and adds no syntax or format detail beyond the schema, so the baseline of 3 applies.

Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.

Purpose4/5

Does the description clearly state what the tool does and how it differs from similar tools?

States a specific verb ('Creates') and resource ('new take lane') for comping on an audio or MIDI track, with an API method mapping. The action distinguishes it from take_lane_list and take_lane_comp_region, though it does not explicitly contrast them.

Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.

Usage Guidelines3/5

Does the description explain when to use this tool, when not to, or what alternatives exist?

'For comping' gives clear implied context for when this tool applies. However, it does not explicitly say when not to use it or route the agent to alternatives like take_lane_list or take_lane_comp_region.

Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.

live12_take_lane_listA

Queries all take lanes on a track in Ableton Live 12 (Track.take_lanes).

ParametersJSON Schema
NameRequiredDescriptionDefault
track_indexYesZero-based track index.

TDQS

A3.8/5.0
Behavior3/5

Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?

No annotations are provided, so the description must carry the behavioral burden. 'Queries' implies a read-only operation, but the description does not state what is returned, whether results are ordered, or whether the Live session must be connected.

Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.

Conciseness5/5

Is the description appropriately sized, front-loaded, and free of redundancy?

The description is a single front-loaded sentence with no filler. Every element, including the Live version and object path, contributes to locating the resource.

Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.

Completeness4/5

Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?

For a simple one-parameter read tool with 100% schema coverage, the description gives enough context to invoke it correctly. The only minor gap is that it does not explicitly mention the return format, though 'Queries all take lanes' makes the result shape fairly obvious.

Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.

Parameters3/5

Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?

Schema description coverage is 100%, and the single `track_index` parameter is fully documented in the schema as zero-based and required. The description adds no parameter meaning beyond what the schema already provides, so the baseline 3 is appropriate.

Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.

Purpose5/5

Does the description clearly state what the tool does and how it differs from similar tools?

The description uses a specific verb, 'Queries', and a precise resource, 'all take lanes on a track', and references the Live object path `Track.take_lanes`. This clearly distinguishes the tool from sibling take-lane tools such as `live12_take_lane_create` and `live12_take_lane_comp_region`.

Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.

Usage Guidelines3/5

Does the description explain when to use this tool, when not to, or what alternatives exist?

The purpose implies this is the inspection/list tool for take lanes, but the description gives no explicit when-to-use guidance, prerequisites, or alternatives. It does not say when to use this instead of `take_lane_create` or `take_lane_comp_region`, though the intended usage is inferable.

Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.

live12_tempo_sync_controlB

Controls synchronization features in Ableton Live 12: toggles Ableton Link, enables tempo follower, executes tap tempo, or nudges song tempo up/down.

ParametersJSON Schema
NameRequiredDescriptionDefault
actionYesSync action: 'get_status' read Link/Follower state, 'set_link' toggle Ableton Link, 'set_follower' toggle tempo follower, 'tap_tempo' tap beat tempo, 'nudge_up' tempo push, 'nudge_down' tempo pull.
enabledNoTarget state for set_link or set_follower.

TDQS

B3.3/5.0
Behavior2/5

Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?

No annotations are provided, so the description must carry the full behavioral burden. It says which sync features are affected and that some operations toggle or nudge, but it does not describe permissions, reversibility, side effects on other apps, or how tempo follower interacts with song tempo.

Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.

Conciseness5/5

Is the description appropriately sized, front-loaded, and free of redundancy?

The description is a single front-loaded sentence that lists the covered operations without repetition or filler. Every clause earns its place.

Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.

Completeness3/5

Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?

The schema is rich enough to support invocation, but the description omits the get_status read action and does not clarify that set_follower toggles rather than merely enables. For a multi-action control tool with no annotations, those gaps leave the behavioral picture incomplete.

Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.

Parameters3/5

Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?

Schema description coverage is 100% and the action enum already documents each operation in detail. The description adds a compact action summary, but it does not add meaning beyond the schema, so the baseline of 3 applies.

Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.

Purpose4/5

Does the description clearly state what the tool does and how it differs from similar tools?

The description states a clear control function and enumerates the sync actions: Ableton Link, tempo follower, tap tempo, and tempo nudges. It is more specific than a generic 'control' label, but it does not explicitly distinguish itself from related transport siblings such as live12_transport_set_tempo.

Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.

Usage Guidelines3/5

Does the description explain when to use this tool, when not to, or what alternatives exist?

The action list implies when this tool is relevant, namely for synchronization features rather than general transport control. However, it gives no explicit when-to-use or when-not-to-use guidance and does not name the closest alternative, live12_transport_set_tempo.

Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.

live12_track_createC

Creates a new track in Ableton Live 12 (Song.create_midi_track, Song.create_audio_track, or Song.create_return_track).

ParametersJSON Schema
NameRequiredDescriptionDefault
typeNoTrack type to create: 'midi', 'audio', or 'return'.midi
indexNoZero-based track index position where the new track will be inserted. Pass -1 to append to end of tracks.

TDQS

C2.9/5.0
Behavior2/5

Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?

No annotations are provided, so the description carries the full behavioral burden, yet it discloses nothing beyond the creation act. It does not say whether existing tracks shift, whether the operation is undoable, whether it returns the new track's index, or what happens with default index=-1.

Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.

Conciseness5/5

Is the description appropriately sized, front-loaded, and free of redundancy?

A single front-loaded sentence that identifies the action and its modes with zero waste. Nothing is padded or redundant.

Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.

Completeness2/5

Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?

For a mutation tool with no annotations and no output schema, the description is thin: it never states the return value (presumably the new track index) or the effect on existing track positions. An agent can call it, but cannot anticipate the result.

Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.

Parameters3/5

Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?

Schema coverage is 100%, so both parameters (type, index) are already documented with enums and defaults. The description only echoes the three track types, adding no syntax or edge-case detail beyond the schema, so baseline 3 applies.

Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.

Purpose4/5

Does the description clearly state what the tool does and how it differs from similar tools?

States a specific verb and resource ('Creates a new track') and even names the underlying LOM calls (create_midi_track / create_audio_track / create_return_track), which cleanly separates it from siblings like live12_track_delete or live12_track_duplicate. It stops short of explicitly contrasting with those siblings, so it is clear but not maximally differentiated.

Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.

Usage Guidelines2/5

Does the description explain when to use this tool, when not to, or what alternatives exist?

There is no guidance on when to use this versus alternatives (track_duplicate, scene_create, clip_create), no preconditions, and no exclusions. The reader must infer usage from the name and siblings alone.

Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.

live12_track_deleteB

Deletes a track in Ableton Live 12 by its zero-based index (Song.delete_track).

ParametersJSON Schema
NameRequiredDescriptionDefault
track_indexYesZero-based index of the track to delete.

TDQS

B3.1/5.0
Behavior2/5

Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?

No annotations are provided, so the description carries the full burden of behavioral disclosure. It says the tool deletes a track, but does not mention irreversibility, undo behavior, what happens to contained clips/devices, or whether deleting the last track is allowed. For a destructive mutation, this is a significant transparency gap.

Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.

Conciseness5/5

Is the description appropriately sized, front-loaded, and free of redundancy?

The description is a single front-loaded sentence with no filler. It identifies the action, resource, parameter, and underlying LOM call efficiently.

Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.

Completeness3/5

Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?

With one fully described parameter and a simple operation, the description is enough to invoke the tool correctly. However, for a destructive tool with no annotations and no output schema, it should disclose more about consequences and safety, so completeness is only adequate.

Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.

Parameters3/5

Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?

Schema coverage is 100%, and the schema already documents track_index as a zero-based index. The description repeats the zero-based index requirement but adds no format, range, or edge-case semantics beyond what the schema provides. The baseline of 3 is appropriate.

Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.

Purpose4/5

Does the description clearly state what the tool does and how it differs from similar tools?

The description uses a specific verb and resource: "Deletes a track in Ableton Live 12." It also identifies the operation as Song.delete_track and mentions the needed zero-based index, making the core action clear. It does not explicitly distinguish itself from siblings such as track_create or track_duplicate, so it falls short of a 5.

Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.

Usage Guidelines2/5

Does the description explain when to use this tool, when not to, or what alternatives exist?

The description states what the tool does but gives no guidance on when to use it versus siblings like live12_track_create, live12_track_duplicate, or live12_clip_delete. There is no warning about deletion being destructive or about when deletion is appropriate.

Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.

live12_track_duplicateA

Duplicates an existing track in Ableton Live 12 (Song.duplicate_track). The duplicate is inserted immediately after the source track.

ParametersJSON Schema
NameRequiredDescriptionDefault
track_indexYesZero-based index of the source track to duplicate.

TDQS

A3.5/5.0
Behavior3/5

Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?

With no annotations, the description carries the full burden. It does disclose a valuable behavioral detail โ€” the copy lands immediately after the source track โ€” but says nothing about return value, undo history, or whether the duplicate preserves devices/clips/envelopes.

Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.

Conciseness5/5

Is the description appropriately sized, front-loaded, and free of redundancy?

Two short sentences, zero filler, with the placement behavior front-loaded after the core action. Nothing could be removed without losing information.

Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.

Completeness3/5

Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?

A one-parameter mutation tool with no output schema; the description never says what the call returns (e.g., the new track's index), which an agent likely needs for follow-up calls such as live12_track_set_properties on the duplicate. Otherwise adequate for invocation.

Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.

Parameters3/5

Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?

Schema description coverage is 100% and the single parameter ('Zero-based index of the source track') is already fully documented in the schema. The description adds no indexing or format detail beyond this, so baseline 3 applies.

Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.

Purpose5/5

Does the description clearly state what the tool does and how it differs from similar tools?

States a specific verb+resource ('Duplicates an existing track') and names the underlying Live API call (Song.duplicate_track). The 'track' scope clearly distinguishes it from clip-level siblings such as live12_clip_duplicate_to_arrangement.

Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.

Usage Guidelines2/5

Does the description explain when to use this tool, when not to, or what alternatives exist?

The description says what happens but not when to choose it over live12_track_create (build from scratch) or the clip duplicators. No prerequisites, exclusions, or context about session/arrangement are given.

Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.

live12_track_groupC

Groups specified tracks together under a new group track in Ableton Live 12.

ParametersJSON Schema
NameRequiredDescriptionDefault
track_indicesYesList of zero-based track indices to include in the group.

TDQS

C2.9/5.0
Behavior2/5

Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?

No annotations are provided, so the description carries the full burden of behavioral disclosure. It never says what happens if the indices are non-contiguous, if a track is already grouped, what the new group track is named, or whether the call returns the new group's index; for a mutation tool this is a substantial gap.

Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.

Conciseness4/5

Is the description appropriately sized, front-loaded, and free of redundancy?

One sentence, front-loaded with the verb and resource, with no filler or repetition of the tool name. Its brevity is efficient rather than padded, though it leaves no room for the operational context the tool lacks.

Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.

Completeness2/5

Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?

A mutation tool with no annotations and no output schema should at least describe side effects, failure modes, and what is returned. None of that is present, so an agent knows only the coarse purpose and must guess at edge-case behavior.

Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.

Parameters3/5

Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?

Schema description coverage is 100% and the single parameter 'track_indices' is documented in the schema as zero-based indices with a minItems constraint. The description adds nothing beyond that, so the baseline 3 applies.

Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.

Purpose4/5

Does the description clearly state what the tool does and how it differs from similar tools?

States a specific verb and resource ('Groups specified tracks together under a new group track') plus the product context (Ableton Live 12), so the operation is unambiguous. It does not distinguish itself from the sibling live12_track_ungroup or explain how it relates to live12_track_create, so it falls short of a 5.

Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.

Usage Guidelines2/5

Does the description explain when to use this tool, when not to, or what alternatives exist?

There is no guidance on when to use this instead of live12_track_ungroup or live12_track_create, nor on prerequisites such as selecting tracks before grouping. The only usage signal is implied by the name and by the required track_indices parameter.

Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.

live12_track_set_propertiesC

Updates properties of an existing track in Ableton Live 12, such as name, RGB integer color, solo, mute, and record arming.

ParametersJSON Schema
NameRequiredDescriptionDefault
armNoRecord arm state of the track.
muteNoMute state of the track (True = muted/silent).
nameNoNew track display name.
soloNoSolo state of the track.
colorNoRGB integer color value (e.g. 65280 for green, 16711680 for red).
track_indexYesZero-based index of target track.

TDQS

C2.9/5.0
Behavior2/5

Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?

With no annotations, the description carries the full behavioral burden. It implies mutation and that the track must already exist, but says nothing about whether changes are undoable, what happens on an out-of-range track_index, whether the Live set must be connected, or what a successful call returns.

Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.

Conciseness4/5

Is the description appropriately sized, front-loaded, and free of redundancy?

One sentence, front-loaded with the verb and resource, then the property list. No filler, though the enumerated fields duplicate the schema rather than adding routing information.

Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.

Completeness3/5

Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?

For a mutation tool with no annotations and no output schema, the description should at least note error behavior and result shape. It covers the what but leaves the agent guessing on failure modes and return value.

Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.

Parameters3/5

Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?

Schema description coverage is 100%, so all six parameters and their formats (including the RGB integer example) are already documented. The description only restates the field list, adding no format or constraint information beyond the schema.

Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.

Purpose4/5

Does the description clearly state what the tool does and how it differs from similar tools?

Specific verb+resource ("Updates properties of an existing track in Ableton Live 12") with the affected fields enumerated. It is clearly distinct from create/delete/duplicate siblings but does not distinguish itself from live12_mixer_set or live12_lom_set, which could plausibly touch the same fields.

Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.

Usage Guidelines2/5

Does the description explain when to use this tool, when not to, or what alternatives exist?

No statement of when to use this tool versus alternatives such as live12_mixer_set, live12_lom_set, or live12_track_duplicate. The only implied context is "existing track," which the agent must infer as a precondition.

Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.

live12_track_ungroupA

Dissolves an existing group track in Ableton Live 12, promoting its member tracks to top-level.

ParametersJSON Schema
NameRequiredDescriptionDefault
group_track_indexYesZero-based index of the group track to dissolve.

TDQS

A3.6/5.0
Behavior3/5

Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?

With no annotations, the description carries the behavioral burden and does disclose the key side effect: member tracks are promoted to top-level. However, it omits whether the action is reversible/undoable, how nested groups are handled, and whether the group track itself is removed.

Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.

Conciseness5/5

Is the description appropriately sized, front-loaded, and free of redundancy?

A single efficient sentence with the operation front-loaded and the downstream effect clearly attached. No wasted words.

Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.

Completeness4/5

Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?

For a low-complexity mutation with one fully documented parameter and no output schema, the description covers the core purpose and effect. It is slightly incomplete on behavioral edges like undoability and nested-group handling.

Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.

Parameters3/5

Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?

There is a single parameter with 100% schema description coverage ('Zero-based index of the group track to dissolve'). The description adds no additional syntax or format detail beyond the schema, so the baseline of 3 applies.

Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.

Purpose5/5

Does the description clearly state what the tool does and how it differs from similar tools?

States a specific verb ('dissolves') and resource ('existing group track in Ableton Live 12') plus the resulting effect on member tracks. No sibling tool performs this operation, so its purpose is unambiguous even without naming an alternative.

Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.

Usage Guidelines2/5

Does the description explain when to use this tool, when not to, or what alternatives exist?

The description defines the operation but gives no explicit guidance on when to use it versus alternatives (e.g., track_delete or track_group), nor prerequisites or exclusions. Use is only implied by the verb.

Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.

live12_transport_playA

Starts or resumes song playback in Ableton Live 12. If restart is true, playback starts from 1.1.1 or arrangement start marker; otherwise playback resumes from current playhead position.

ParametersJSON Schema
NameRequiredDescriptionDefault
restartNoIf true, restarts playback from 1.1.1. If false, continues from current playhead position.

TDQS

A3.8/5.0
Behavior3/5

Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?

No annotations are provided, so the description carries the full burden. It does disclose the meaningful state behavior โ€” where playback begins depending on the playhead โ€” but says nothing about what happens when playback is already running, whether the call waits for transport state, or any error/permission conditions.

Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.

Conciseness5/5

Is the description appropriately sized, front-loaded, and free of redundancy?

Two sentences, zero waste, and the primary action is front-loaded ahead of the conditional behavior. Nothing is padded or redundant.

Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.

Completeness4/5

Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?

For a single-boolean transport toggle with no output schema, the description covers the essential semantics. Minor gaps remain around interaction with existing transport state and record mode, but nothing critical to invoking it correctly is absent.

Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.

Parameters3/5

Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?

With one parameter and 100% schema description coverage, the baseline is 3. The description slightly enriches the schema by noting that restart targets either 1.1.1 or the arrangement start marker, but otherwise restates the schema's own definition of restart.

Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.

Purpose5/5

Does the description clearly state what the tool does and how it differs from similar tools?

States a specific verb and resource ('Starts or resumes song playback in Ableton Live 12'), which cleanly separates it from siblings such as live12_transport_stop, live12_transport_record, and live12_transport_set_tempo. An agent can identify the operation without opening the schema.

Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.

Usage Guidelines3/5

Does the description explain when to use this tool, when not to, or what alternatives exist?

The description explains the two operating modes (fresh start vs. resume), which implicitly tells the agent when to pass restart, but it never names alternatives or exclusions (e.g., use live12_transport_stop before restarting, or how this interacts with record mode). Usage is implied rather than stated.

Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.

live12_transport_recordA

Enables recording in Ableton Live 12. Can target either the arrangement timeline (Song.record_mode = True) or session clip slots (Song.session_record = True).

ParametersJSON Schema
NameRequiredDescriptionDefault
record_modeNoRecording target: 'arrangement' for timeline recording, 'session' for Session view clip overdub/launch.arrangement

TDQS

A3.5/5.0
Behavior3/5

Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?

No annotations, so the description carries the full burden. It usefully discloses the underlying LOM semantics (Song.record_mode / Song.session_record), hinting that this sets a record-enable flag rather than a full transport action. It omits whether recording actually begins immediately, whether armed tracks are required, and how to disengage.

Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.

Conciseness5/5

Is the description appropriately sized, front-loaded, and free of redundancy?

Two short sentences, front-loaded with the action, and the mode split is stated in the same breath. Nothing is wasted or buried.

Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.

Completeness3/5

Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?

For a single-parameter, no-output-schema mutation tool with no annotations, the definition covers the target modes but leaves out required context: track arming, whether transport must be running, and how to stop recording. Adequate but with clear operational gaps.

Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.

Parameters3/5

Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?

Schema coverage is 100% and the enum description already spells out 'arrangement' vs 'session'. The description adds the corresponding LOM properties, which is a modest value-add, but no default behavior or consequences of each mode are explained.

Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.

Purpose4/5

Does the description clearly state what the tool does and how it differs from similar tools?

Specific verb and resource ('Enables recording in Ableton Live 12') with two named modes, so the agent knows exactly what the tool toggles. It does not differentiate itself from the closely related sibling live12_transport_set_overdub, which overlaps with the session-record path.

Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.

Usage Guidelines3/5

Does the description explain when to use this tool, when not to, or what alternatives exist?

The description says recording can target arrangement or session, but never says when to choose one over the other, nor when to prefer live12_transport_set_overdub or follow with live12_transport_stop. Usage is implied by the mode names rather than stated.

Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.

live12_transport_set_loopC

Configures arrangement loop in Ableton Live 12 (Song.loop, Song.loop_start, Song.loop_length). Length must be strictly greater than 0.

ParametersJSON Schema
NameRequiredDescriptionDefault
startYesLoop start position in arrangement beats.
lengthYesLoop length in beats. Must be positive.
enabledYesWhether arrangement looping is active.

TDQS

C2.9/5.0
Behavior2/5

Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?

With no annotations, the description carries the full burden and does not disclose whether the change takes effect immediately during playback, whether it is destructive to existing loop points, or what it returns. Only the length>0 validation constraint is stated, which is a small slice of the behavioral surface for a mutation tool.

Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.

Conciseness4/5

Is the description appropriately sized, front-loaded, and free of redundancy?

Two short clauses with the core purpose front-loaded and a constraint second; nothing is padded. It could be marginally clearer by stating the unit context for start/length rather than relying on the schema, but it is efficient.

Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.

Completeness3/5

Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?

For a simple 3-required-parameter setter with no output schema, the description covers what is configured and one validation rule, which is close to sufficient. However, with no annotations it leaves the agent unsure about runtime effects on playback and about whether sibling tools (live12_lom_set) are preferred over this one.

Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.

Parameters3/5

Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?

Schema description coverage is 100%, so the baseline is 3. The description merely restates the length-positivity rule that the schema already enforces via exclusiveMinimum 0, and adds no format, unit, or interaction semantics beyond what the schema provides.

Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.

Purpose4/5

Does the description clearly state what the tool does and how it differs from similar tools?

States a specific verb and resource ('Configures arrangement loop') in a named host (Ableton Live 12) and even maps it to the underlying LOM properties (Song.loop, Song.loop_start, Song.loop_length). It is distinguishable from neighbors like live12_transport_set_punch or live12_transport_set_metronome by the resource it targets, though it never explicitly contrasts with them.

Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.

Usage Guidelines2/5

Does the description explain when to use this tool, when not to, or what alternatives exist?

No guidance on when to use this versus siblings (e.g., live12_lom_set could presumably set the same properties) and no prerequisites or preconditions mentioned. The reader must infer all usage context.

Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.

live12_transport_set_metronomeA

Toggles the metronome click in Ableton Live 12 (Song.metronome).

ParametersJSON Schema
NameRequiredDescriptionDefault
enabledYesMetronome audible state.

TDQS

A3.5/5.0
Behavior3/5

Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?

With no annotations, the description carries the burden, and it does disclose the exact mutation target (Song.metronome). It does not say whether the change is persisted with the set, whether it is undoable, or whether it affects only monitoring; for a state-mutating transport tool that is a real but modest gap.

Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.

Conciseness5/5

Is the description appropriately sized, front-loaded, and free of redundancy?

A single front-loaded sentence with zero filler, naming the verb, the resource, the host version, and the underlying property.

Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.

Completeness3/5

Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?

For a one-parameter tool with a fully described schema and no output schema, this is close to sufficient, but nothing is said about return values (state confirmation) or about the toggle/set wording mismatch. Adequate minimum viable, not complete.

Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.

Parameters3/5

Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?

Schema description coverage is 100%, so the boolean 'enabled' is already documented as the audible state, setting the baseline at 3. The description adds only the mapping to the Song.metronome property, not the resolution of the toggle-vs-set ambiguity.

Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.

Purpose4/5

Does the description clearly state what the tool does and how it differs from similar tools?

Names a specific verb and resource (metronome click in Ableton Live 12) and pins it to the underlying LOM property Song.metronome, which distinguishes it from other transport siblings like set_tempo or set_loop. Minor ambiguity: the verb says 'toggles' while the required boolean parameter suggests a deterministic set, so an agent could briefly wonder whether the argument flips or assigns state.

Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.

Usage Guidelines3/5

Does the description explain when to use this tool, when not to, or what alternatives exist?

The function is unique among the transport siblings, so no alternative routing is needed, but the description never states the context of use or any prerequisite (e.g., that a Live Set must be loaded / the API bridge active). Ussage is implied by the name and single required flag rather than explained.

Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.

live12_transport_set_overdubA

Enables or disables arrangement overdub in Ableton Live 12 (Song.arrangement_overdub).

ParametersJSON Schema
NameRequiredDescriptionDefault
overdubYesWhether arrangement overdub is enabled.

TDQS

A3.6/5.0
Behavior3/5

Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?

No annotations are provided, so the description carries the behavioral disclosure burden. It clearly identifies the tool as a state-changing toggle and maps it to Song.arrangement_overdub, but it does not describe persistence, side effects on recording, permissions, or return behavior.

Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.

Conciseness5/5

Is the description appropriately sized, front-loaded, and free of redundancy?

The description is a single, front-loaded sentence with no wasted wording. It identifies the action and target immediately.

Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.

Completeness4/5

Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?

For a simple one-parameter boolean toggle with a fully described schema and no output schema, the description is nearly complete. A little more context about the effect of arrangement overdub would help, but an agent has enough information to invoke it correctly.

Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.

Parameters3/5

Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?

Schema description coverage is 100%, and the single boolean parameter is already fully documented in the schema. The description adds the Ableton property mapping but does not provide additional syntax or semantic detail beyond what the schema already states.

Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.

Purpose4/5

Does the description clearly state what the tool does and how it differs from similar tools?

The description states a specific verb and resource: enabling/disabling arrangement overdub in Ableton Live 12, with the underlying Song property named. It is clear what the tool does, though it does not explicitly differentiate itself from sibling transport settings such as set_loop or set_punch.

Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.

Usage Guidelines3/5

Does the description explain when to use this tool, when not to, or what alternatives exist?

Usage is implied by the setting name: use it when arrangement overdub should be turned on or off. There is no explicit when-to-use guidance, prerequisites, or comparison to alternatives, but the boolean toggle nature makes the intended context reasonably inferable.

Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.

live12_transport_set_punchC

Enables or disables punch-in and punch-out markers for arrangement recording in Ableton Live 12.

ParametersJSON Schema
NameRequiredDescriptionDefault
punch_inYesEnable punch-in recording at loop start.
punch_outYesEnable punch-out recording at loop end.

TDQS

C2.9/5.0
Behavior2/5

Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?

With no annotations, the description carries the full burden of behavioral disclosure. It says the tool sets punch state but not whether it is idempotent, whether it mutates transport state during playback, whether it requires transport to be stopped, or whether the change is persisted in the set โ€” all important for a transport mutation.

Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.

Conciseness4/5

Is the description appropriately sized, front-loaded, and free of redundancy?

A single tight sentence with the action and subject front-loaded and no filler. It is close to minimal size for the information conveyed, though it leaves room for one clarifying clause about prerequisites.

Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.

Completeness3/5

Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?

For a two-boolean tool with a fully documented schema and no output schema, the description covers the basics. However, with no annotations to lean on, it should mention the loop/transport preconditions and confirmation of resulting state, so it is only minimally adequate.

Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.

Parameters3/5

Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?

Schema coverage is 100%, with both booleans explicitly described in the schema, so the baseline is a 3. The description adds only the phrase 'for arrangement recording,' which frames intent but gives no extra meaning about how punch_in vs punch_out interact with the loop boundaries beyond what the schema already says.

Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.

Purpose4/5

Does the description clearly state what the tool does and how it differs from similar tools?

States a specific verb pair (enables/disables) and a specific resource (punch-in/punch-out markers for arrangement recording), so an agent knows exactly what the tool affects. It does not explicitly contrast itself with nearby siblings like live12_transport_set_loop, though the punch-specific framing distinguishes it well enough by name.

Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.

Usage Guidelines2/5

Does the description explain when to use this tool, when not to, or what alternatives exist?

There is no guidance on when to use this versus the loop or record tools, and no mention of prerequisites such as whether loop mode must be active for punch markers to take effect. The agent must infer the operational context entirely.

Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.

live12_transport_set_tempoB

Sets the project tempo in beats per minute (BPM) in Ableton Live 12 (Song.tempo). Rejects values outside [20.0, 999.0].

ParametersJSON Schema
NameRequiredDescriptionDefault
tempoYesTarget tempo in BPM. Must be between 20.0 and 999.0.

TDQS

B3.3/5.0
Behavior3/5

Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?

With no annotations, the description must carry the load. It does disclose that this mutates Song.tempo and that out-of-range values are rejected (defensive validation), which is useful behavioral context, but it says nothing about persistence, whether it requires an active Live connection, or what happens to warped clips when tempo changes.

Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.

Conciseness5/5

Is the description appropriately sized, front-loaded, and free of redundancy?

Two tight sentences: purpose and target property first, validation constraint second. No filler and nothing buried.

Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.

Completeness3/5

Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?

For a trivial one-parameter setter with no output schema this covers the essentials, but a mutation tool with zero annotations would benefit from a note on whether the change is undoable or persists in the Live set. Adequate, not complete.

Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.

Parameters3/5

Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?

Schema coverage is 100% and the single tempo parameter is fully documented with type, min and max, so the baseline of 3 applies. The description restates the [20.0, 999.0] bounds and BPM unit but adds no semantics beyond the schema (e.g., fractional precision or behavior at the boundary).

Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.

Purpose4/5

Does the description clearly state what the tool does and how it differs from similar tools?

Specific verb (sets) plus resource (project tempo in BPM) with the underlying Ableton property (Song.tempo) named, so the agent knows exactly what changes. It does not differentiate itself from siblings like live12_tempo_sync_control or the generic live12_lom_set, which could also touch tempo, so it falls short of a 5.

Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.

Usage Guidelines2/5

Does the description explain when to use this tool, when not to, or what alternatives exist?

The description says what the tool does but never when to pick it over live12_tempo_sync_control, live12_lom_set, or live12_transport_set_time_signature. No prerequisites, no exclusions, no alternative routing.

Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.

live12_transport_set_time_signatureB

Sets the project time signature in Ableton Live 12 (Song.signature_numerator and signature_denominator). Denominator must be 1, 2, 4, 8, or 16.

ParametersJSON Schema
NameRequiredDescriptionDefault
numeratorYesTime signature numerator (beats per measure), between 1 and 99.
denominatorYesTime signature denominator (note value division). Must be 1, 2, 4, 8, or 16.

TDQS

B3.2/5.0
Behavior2/5

Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?

With no annotations, the description carries the full burden. It states the mutation target but omits whether existing clips/markers are re-rendered, whether the change is undoable, whether it requires the transport to be stopped, and whether the loop brace is affected โ€” all meaningful for a global project-state mutation.

Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.

Conciseness4/5

Is the description appropriately sized, front-loaded, and free of redundancy?

Two sentences, front-loaded with the action and target; the constraint sentence is short and useful. The parenthetical LOM property names are mildly extraneous but not wasteful.

Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.

Completeness3/5

Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?

For a simple two-parameter setter with full schema documentation and no output schema, the description covers the essentials. However, with no annotations it should say more about side effects on existing project material and undo behavior to be complete enough for safe invocation.

Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.

Parameters3/5

Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?

Schema coverage is 100% and both parameters are fully described (numerator range 1-99, denominator enum). The description only restates the denominator constraint already in the schema; the LOM property mapping is a minor addition, so baseline 3 applies.

Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.

Purpose4/5

Does the description clearly state what the tool does and how it differs from similar tools?

Clear verb+resource ('Sets the project time signature in Ableton Live 12') with the specific LOM properties named, so the effect is unambiguous. It is not explicitly differentiated from siblings like live12_transport_set_tempo or live12_song_set_scale, but the subject matter is distinct enough that confusion is unlikely.

Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.

Usage Guidelines3/5

Does the description explain when to use this tool, when not to, or what alternatives exist?

No explicit when-to-use or when-not-to-use guidance, and no mention of prerequisites (e.g., whether transport must be stopped) or alternatives. Usage is only implied by the tool name and the word 'project'.

Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.

live12_transport_stopB

Stops song playback in Ableton Live 12 (Song.stop_playing).

ParametersJSON Schema
NameRequiredDescriptionDefault

No parameters

TDQS

B3.4/5.0
Behavior2/5

Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?

With no annotations, the description carries the full behavioral burden and falls short: it does not say whether playback stops immediately or is quantized, whether the position resets to the start, whether all playing clips are halted, or what the tool returns. The LOM reference adds a little traceability but no operational context.

Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.

Conciseness5/5

Is the description appropriately sized, front-loaded, and free of redundancy?

A single front-loaded sentence with no filler; the purpose is stated first and the implementation reference is parenthetical, so every word earns its place.

Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.

Completeness3/5

Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?

For a zero-parameter, no-output tool this is minimally sufficient to invoke, but because there are no annotations the description should have closed the gaps around stop timing, position reset, and clip behavior to be fully complete.

Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.

Parameters4/5

Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?

There are zero parameters, so parameter semantics default to a baseline of 4; the schema is trivially complete and the description does not need to explain any inputs.

Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.

Purpose4/5

Does the description clearly state what the tool does and how it differs from similar tools?

States a specific verb and resource โ€” stopping song playback in Ableton Live 12 โ€” and cites the underlying LOM call (Song.stop_playing). It implicitly distinguishes itself from live12_transport_play and live12_clip_stop by scoping to song-level playback, but never names those siblings explicitly.

Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.

Usage Guidelines3/5

Does the description explain when to use this tool, when not to, or what alternatives exist?

The use case (halt playback) is implied clearly enough for an agent to select it, but there is no explicit guidance on when to prefer it over clip_stop or other transport tools, and no prerequisites or state requirements are stated.

Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.

live12_undo_redoA

Executes Undo and Redo operations in Ableton Live 12 (Song.undo, Song.redo), inspects undo history status, or demarcates transactional undo steps.

ParametersJSON Schema
NameRequiredDescriptionDefault
actionYesUndo action: 'undo' reverts last action, 'redo' reapplies undone action, 'status' queries can_undo/can_redo, 'begin_step' starts transaction, 'end_step' closes transaction.

TDQS

A3.5/5.0
Behavior3/5

Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?

With no annotations, the description carries the full burden. It does add real value by exposing the underlying Song.undo/Song.redo calls and flagging that begin_step/end_step 'demarcate transactional undo steps', which hints that intermediate operations collapse into one undo entry. It does not say what happens when there is nothing to undo/redo, whether an open transaction is auto-closed, or that undo mutates global song state.

Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.

Conciseness4/5

Is the description appropriately sized, front-loaded, and free of redundancy?

A single front-loaded sentence naming the tool's domain first and its action surface second, with no filler. Slightly dense with three clauses joined by 'or', but nothing is wasted.

Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.

Completeness4/5

Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?

For a one-enum-parameter tool with no output schema, the description covers the domain and the action surface adequately. Minor gap: 'status' is said to query state but the description doesn't note that the result reports can_undo/can_redo, which the schema enum already covers.

Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.

Parameters3/5

Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?

Schema coverage is 100% and the enum member descriptions already define each action precisely, so the schema does the heavy lifting. The description's phrase 'demarcates transactional undo steps' adds a conceptual gloss on begin_step/end_step but no detail beyond the schema (e.g., nesting rules or required pairing).

Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.

Purpose4/5

Does the description clearly state what the tool does and how it differs from similar tools?

Specific verb-plus-resource: names Ableton Live 12 and the underlying Song.undo / Song.redo calls, and covers all three functional modes (execute, status, transaction demarcation). No sibling tool overlaps undo/redo, so explicit differentiation isn't needed, but the single sentence packs several modes without ranking them.

Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.

Usage Guidelines3/5

Does the description explain when to use this tool, when not to, or what alternatives exist?

Usage is only implied by the action list; there is no statement of when to prefer undo vs. redo, when to check 'status' before acting, or when to wrap several operations in begin_step/end_step. The agent must infer those decisions from the schema enum alone.

Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.

live12_view_selectC

Updates GUI selection focus in Ableton Live 12 (selected track, selected scene, highlighted clip slot, or selected device).

ParametersJSON Schema
NameRequiredDescriptionDefault
clip_slotNoOptional [track_index, slot_index] tuple to highlight in Session view.
scene_indexNoOptional zero-based scene index to select in the GUI.
track_indexNoOptional zero-based track index to select in the GUI.
device_indexNoOptional zero-based device index on selected track to focus.

TDQS

C2.9/5.0
Behavior2/5

Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?

No annotations exist, so the description carries the full burden and doesn't meet it: it says nothing about side effects (e.g. other tools that act on the 'selected' track/device will now target something else), whether Live must be running, or what the response looks like. It also doesn't disclose ordering constraints โ€” device_index is resolved against the selected track, so passing both may be order-dependent, which is left implicit.

Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.

Conciseness4/5

Is the description appropriately sized, front-loaded, and free of redundancy?

A single front-loaded sentence with the action first and the target list after. The parenthetical enumeration mildly duplicates the schema property names, which keeps it from a 5.

Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.

Completeness3/5

Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?

With no annotations, no output schema, and four all-optional combinable parameters, the description should clarify precedence and effect on subsequent 'selected' lookups. It covers the what but leaves those ambiguities unresolved, making it minimally adequate rather than complete.

Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.

Parameters3/5

Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?

Schema description coverage is 100% and each parameter is individually documented as an optional zero-based index, so the description's parenthetical list adds nothing beyond the schema. Baseline 3 applies; no precedence rule is added for what happens when several optional targets are supplied together.

Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.

Purpose4/5

Does the description clearly state what the tool does and how it differs from similar tools?

States a specific verb ('Updates GUI selection focus') and enumerates the exact targets (track, scene, clip slot, device), which lets an agent distinguish it from live12_view_switch or live12_lom_set. It never names a sibling explicitly, so differentiation is inferential rather than stated.

Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.

Usage Guidelines2/5

Does the description explain when to use this tool, when not to, or what alternatives exist?

There is no guidance on when to use this versus live12_view_switch, live12_lom_set, or the device/track selection paths. Usage is only implied by the words 'selection focus'; no preconditions, no when-not, no named alternative.

Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.

live12_view_switchB

Switches the primary active view in the Ableton Live 12 GUI (Application.view.show_view or focus_view).

ParametersJSON Schema
NameRequiredDescriptionDefault
view_nameYesCanonical name of the Ableton Live 12 GUI view to show or focus.

TDQS

B3.3/5.0
Behavior2/5

Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?

With no annotations, the description carries the full behavioral burden. It discloses that the tool changes the primary active view and references show_view/focus_view, but it does not state whether the change is reversible, whether it affects focus/selection state, or what happens to other open views.

Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.

Conciseness5/5

Is the description appropriately sized, front-loaded, and free of redundancy?

The description is a single front-loaded sentence with no filler. Every phrase contributes to identifying the operation.

Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.

Completeness3/5

Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?

For a one-parameter view-switch tool with no output schema, the description is minimally adequate: the schema handles the parameter and the description states the operation. However, it omits sibling differentiation from live12_view_select and does not explain side effects or when this tool should be chosen.

Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.

Parameters3/5

Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?

Schema description coverage is 100%, including an enum of canonical view names, so the schema already fully documents the single parameter. The description does not add syntax or format details beyond the schema, which is acceptable at baseline 3.

Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.

Purpose4/5

Does the description clearly state what the tool does and how it differs from similar tools?

The description gives a specific verb and resource: it switches the primary active view in the Ableton Live 12 GUI. It is clear what the tool does, but it does not differentiate from the closely named sibling live12_view_select, leaving potential ambiguity.

Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.

Usage Guidelines3/5

Does the description explain when to use this tool, when not to, or what alternatives exist?

Usage is implied by 'switches the primary active view,' but the description does not say when to use this tool versus alternatives such as live12_view_select or when not to use it. There are no explicit exclusions or alternative routing cues.

Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.

live12_wavetable_modulation_matrixC

Inspects or updates modulation assignments in the Ableton Live 12 Wavetable modulation matrix.

ParametersJSON Schema
NameRequiredDescriptionDefault
actionYesMatrix action: 'set' modulation depth, 'get' modulation depth, or 'clear' all matrix assignments.
amountNoModulation depth between -1.0 and 1.0.
sourceNoModulation source name (e.g. 'LFO 1', 'Env 2', 'Velocity', 'Modwheel').
targetNoTarget parameter name (e.g. 'Filter 1 Freq', 'Osc 1 Pos', 'Filter 1 Res').
track_indexYesZero-based track index.
device_indexYesZero-based index of the Wavetable device.

TDQS

C2.9/5.0
Behavior2/5

Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?

With no annotations at all, the description carries the full burden, yet it does not say that 'clear' wipes all matrix assignments, that 'set' overwrites an existing assignment, what permissions or device state are required, or what happens on an invalid track/device index. It adds essentially no behavioral context beyond the title.

Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.

Conciseness4/5

Is the description appropriately sized, front-loaded, and free of redundancy?

A single front-loaded sentence with no filler, appropriately sized. It is terse but not padded, though its brevity comes at the cost of the missing detail scored elsewhere.

Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.

Completeness2/5

Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?

For a 6-parameter tool that can mutate device state with zero annotations and no output schema, the description should explain the set/get/clear semantics, index preconditions, and result behavior. Instead it is one sentence that leaves all of that to the schema.

Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.

Parameters3/5

Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?

Schema description coverage is 100%, including an explicit enum meaning for action and ranges for amount, so the schema does the heavy lifting and a baseline 3 applies. The description itself contributes no additional parameter meaning (e.g., interaction between source/target and amount).

Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.

Purpose4/5

Does the description clearly state what the tool does and how it differs from similar tools?

Names a specific resource (Live 12 Wavetable modulation matrix) and the verbs (inspect/update), which is enough to distinguish it from unrelated siblings like live12_device_set_parameter or live12_rack_macro_control. However, the description omits the third capability 'clear' that the schema exposes, so it slightly under-describes the tool's own surface.

Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.

Usage Guidelines2/5

Does the description explain when to use this tool, when not to, or what alternatives exist?

No guidance on when to prefer this over the generic live12_device_set_parameter or live12_lom_set, and no prerequisites stated (e.g., that track_index/device_index must point at an existing Wavetable device). The only usage-shaped information, the set/get/clear choice, lives in the schema, not the description.

Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.

Tool Schema Changelog

Recent tool additions, removals, and schema changes observed during successful MCP inspections.

  1. 75 tool updatesv1.0.0
    • First observedlive12_audio_clip_add_warp_marker
    • First observedlive12_audio_clip_set_warp
    • First observedlive12_browser_load_item
    • First observedlive12_browser_preview
    • First observedlive12_browser_search
    • First observedlive12_cc_control
    • First observedlive12_clip_add_notes
    • First observedlive12_clip_create
    • First observedlive12_clip_delete
    • First observedlive12_clip_duplicate_to_arrangement
    • First observedlive12_clip_envelope_control
    • First observedlive12_clip_fire
    • First observedlive12_clip_get_notes
    • First observedlive12_clip_modify_notes
    • First observedlive12_clip_quantize
    • First observedlive12_clip_remove_notes
    • First observedlive12_clip_set_properties
    • First observedlive12_clip_stop
    • First observedlive12_clip_transform_midi
    • First observedlive12_cue_point_control
    • First observedlive12_device_get_parameters
    • First observedlive12_device_list
    • First observedlive12_device_set_parameter
    • First observedlive12_device_toggle
    • First observedlive12_dialog_inspect
    • First observedlive12_dialog_press
    • First observedlive12_drift_control
    • First observedlive12_drum_pad_control
    • First observedlive12_groove_pool_control
    • First observedlive12_lom_call
    • First observedlive12_lom_get
    • First observedlive12_lom_inspect
    • First observedlive12_lom_set
    • First observedlive12_meld_control
    • First observedlive12_mixer_set
    • First observedlive12_os_export_audio
    • First observedlive12_os_open_set
    • First observedlive12_os_save_set
    • First observedlive12_rack_macro_config
    • First observedlive12_rack_macro_control
    • First observedlive12_rack_variation_control
    • First observedlive12_roar_control
    • First observedlive12_routing_get
    • First observedlive12_routing_set
    • First observedlive12_scene_create
    • First observedlive12_scene_fire
    • First observedlive12_scene_set_properties
    • First observedlive12_simpler_control
    • First observedlive12_song_capture_midi
    • First observedlive12_song_get_state
    • First observedlive12_song_set_scale
    • First observedlive12_song_set_tuning_system
    • First observedlive12_take_lane_comp_region
    • First observedlive12_take_lane_create
    • First observedlive12_take_lane_list
    • First observedlive12_tempo_sync_control
    • First observedlive12_track_create
    • First observedlive12_track_delete
    • First observedlive12_track_duplicate
    • First observedlive12_track_group
    • First observedlive12_track_set_properties
    • First observedlive12_track_ungroup
    • First observedlive12_transport_play
    • First observedlive12_transport_record
    • First observedlive12_transport_set_loop
    • First observedlive12_transport_set_metronome
    • First observedlive12_transport_set_overdub
    • First observedlive12_transport_set_punch
    • First observedlive12_transport_set_tempo
    • First observedlive12_transport_set_time_signature
    • First observedlive12_transport_stop
    • First observedlive12_undo_redo
    • First observedlive12_view_select
    • First observedlive12_view_switch
    • First observedlive12_wavetable_modulation_matrix

TDQS

B3.1/5.0

Scored across 75 tools

Disambiguation3/5

Most tools target distinct Ableton objects/actions and descriptions clarify boundaries. However generic LOM get/set/call/inspect can perform nearly any operation, overlapping with specific tools, and broad *_control tools bundle several actions, increasing misselection risk.

Naming Consistency4/5

All tools use the live12_ prefix and snake_case with a readable domain/action structure. Minor deviations in action ordering and vague verbs like 'control' keep it from perfect consistency.

Tool Count1/5

75 tools is far beyond a scoped MCP surface and many granular or multi-action tools could be consolidated. Even for a complex DAW, this volume makes discovery and selection unwieldy.

Completeness4/5

The surface covers transport, clips, tracks, scenes, devices, browser, routing, mixer, GUI, OS save/open/export, undo, and generic LOM access. Some gaps remain, such as direct scene deletion and richer arrangement clip editing, but most workflows are covered or reachable via LOM.

Maintenance

ActivityMaintained
ResponsivenessNo issues

Related MCP Connectors

Related MCP Servers

  • A
    license
    C
    quality
    B
    maintenance
    Enables AI agents to control Ableton Live by evaluating arbitrary Python code and using predefined tools for common tasks, supporting voice and text commands for music production.
    27
    231
    MIT
  • A
    license
    B
    quality
    B
    maintenance
    Enables AI agents to control Ableton Live 12 for music production, including generating grooves, basslines, and percussion, and executing live set operations through MCP.
    3
    2
    MIT