The server implements only a single tool (get_track_names) with a minimal schema and sparse documentation. The tool definition is visible in the source code and properly registered via the @mcp.tool() decorator. However, the implementation has critical gaps: the description is adequate but brief (47 chars), the parameter descriptions are minimal (23-27 chars each), the output schema is not documented at all, and error handling is generic without recovery guidance. The tool's functionality is narrow (read-only) but the interface quality falls well short of production standards.

• Add a complete output schema in the docstring. Document the return type as a structured format (JSON object with fields like 'track_names: list[str]', 'count: int', 'status: str') or plaintext format, not just 'A formatted string'. Include example output.
• Expand parameter descriptions to 50-100 chars each. For index_min: 'Minimum track index to retrieve (0-indexed, non-negative integer). Omit to retrieve from track 0.' For index_max: 'Maximum track index to retrieve (inclusive, 0-indexed). If omitted, retrieves all tracks from index_min to the end.'
• Document error conditions and recovery paths in the docstring. E.g., 'Returns error if daemon connection fails (use connection reset to retry) or if indices are invalid (valid range: 0 to <total_tracks>).'
• Add numeric constraints to the schema for index_min and index_max. Use JSON Schema minimum: 0 and potentially maximum bounds if the Ableton API imposes limits.
• Register the tool with readOnlyHint in FastMCP if the framework supports it. This signals to clients that the tool does not modify state and can be safely retried.
• Add a dependency hint: 'Call this after connecting to Ableton Live. If unsure of track indices, call with no parameters to list all tracks.' This guides multi-step planning.
• Document what happens when index_max < index_min. Does the function swap them, return an error, or return an empty list? Undocumented edge cases cause silent failures.