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AbletonMCP

AbletonMCP

by rephlex187
OverviewSchemaSourceRelated ServersDiscussionsAdmin
Python
Local

get_session_info

Retrieve detailed information about the current Ableton Live session, including track details, tempo, and clip status.

Instructions

Get detailed information about the current Ableton session.

Tool call template

Replace each placeholder with a value matching the input schema. Only required parameters are included; add optional parameters as needed.

{
  "id": 1,
  "jsonrpc": "2.0",
  "method": "tools/call",
  "params": {
    "arguments": {
      "ctx": "<ctx>"
    },
    "name": "get_session_info"
  }
}

Input Schema

NameRequiredDescriptionDefault
ctxYes

Schema Changelog

Changes observed during successful MCP inspections.

  1. First observedv2.0.0

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 implicitly indicates a read-only operation but does not disclose any behavioral traits such as side effects, permissions, or response format.

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?

Single sentence, no unnecessary words, front-loaded with verb and resource.

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?

Despite a complex tool with many sibling getters, the description omits what 'detailed information' includes. Without an output schema, the agent has no clue about returned fields (e.g., tempo, time signature).

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 only parameter 'ctx' is a framework context object, not a user-facing business parameter. The description does not mention it, which is acceptable as it's typically handled automatically. No business parameters to explain.

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 clearly states the verb 'Get' and the resource 'detailed information about the current Ableton session'. It distinguishes from sibling getters like get_application_info (app-level) and get_track_info (track-level).

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 vs alternatives. The description does not mention any context or exclusions.

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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