mcp_opendaw_create_solo

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

No annotations are provided, so the description must carry the burden. It explains that the tool generates a complete solo line and returns notes and solo characteristics. However, it does not disclose potential side effects (e.g., does it overwrite existing notes on a track?), permissions needed, or constraints (e.g., track must have a chord progression). The behavioral detail is adequate but not thorough.

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

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

The description is well-structured, starting with a one-line summary, followed by a bulleted list of genre techniques, parameter list, and examples. It is relatively long but every sentence adds value, especially the detailed genre explanations. The structure aids quick scanning for relevant details.

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

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

Given the large sibling toolset (including similar tools like generate_melody and create_random_walk), the description clearly differentiates this tool. It mentions an output schema and states it returns 'notes created and solo characteristics,' so return values are covered. The missing parameter details for start_beat, unit_index, and track_index are gaps, but overall the description is complete for the core use case.

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

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

Schema description coverage is 0% (no descriptions in the input schema). The description covers 7 of 10 parameters (solo_type, key_root, scale_type, bars, octave, velocity, seed) with details on default values and examples. However, it omits start_beat, unit_index, and track_index, which are crucial for placement. The description adds significant meaning beyond the schema but misses some parameters, so it partially compensates.

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

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

The description clearly states the tool creates a 'genre-specific melodic solo over a chord progression.' It explicitly distinguishes itself from generate_melody and create_random_walk_melody, specifying that it uses genre-specific soloing techniques. The verb 'create' and resource 'solo' are specific, and the scope is well-defined.

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

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

The description provides explicit guidance on when to use this tool versus alternatives: 'Unlike generate_melody (contour-guided) or create_random_walk (stepwise), this tool uses genre-specific soloing techniques.' It also lists valid values for solo_type, key_root, scale_type, etc., and provides examples, helping the agent understand the context and prerequisites.

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