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live12_groove_pool_control

Query Ableton Live 12 Groove Pool grooves, set global groove amount, assign or clear clip grooves, and inspect clip groove status to control project swing and timing.

Instructions

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.

Input 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.

Schema Changelog

Changes observed during successful MCP inspections.

  1. First observedv1.0.0

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.

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