mixx_recording

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 that export produces JSON, that replay re-emits OSC commands, and that stop saves the recording, which is useful. However, it omits whether recording persists across sessions, permission/authentication needs, or the destructive implications of overwriting an existing set – gaps that matter for a mutation tool with zero annotation coverage.

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 definition is well front-loaded: purpose first, then the operation contract, then runnable examples. Every block earns its place, though the "PORTMANTEAU PATTERN" line is largely meta-commentary that adds little for an agent.

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?

An output schema exists, so return values need not be described, and the operation enumeration plus examples make the tool callable for most paths. The remaining gap is the undocumented loop parameter and the absence of sibling routing, which keep it from being fully complete for a six-operation tool.

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%, so the description must supply parameter meaning. It partially compensates, showing by example that name is the set name for start and that set_id and replay_speed belong to replay. But the loop parameter is entirely undocumented and defaults for all parameters remain unexplained.

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 opens with a specific verb trio and resource ("Record, replay, and export DJ sets") and enumerates six concrete operations, so an agent knows exactly what the tool covers. It does not, however, differentiate itself from plausible siblings like mixx_history, mixx_set, or mixx_ai_set.

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?

Each operation is briefly annotated (e.g., "start: Begin recording OSC commands", "export: Export set as JSON for external tools"), which implies when each sub-operation applies. But it never states when to choose this tool over siblings such as mixx_history for past sets, and gives no exclusions or prerequisites.

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