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

With readOnlyHint and openWorldHint already covering the safety profile, the description adds non-obvious behavior an agent could not infer: biographical reports are excluded, empty URLs are retained as source data, and no report document is fetched. The only gap is that it does not explain whether the map can be large or whether any auth/quota constraints apply, but the disclosed behaviors are substantive rather than restatements.

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?

It is a single semicolon-joined sentence with the core action front-loaded, followed by prerequisites and then behavioral caveats, so nothing is buried. The density is high and some clauses (id aliasing, empty URLs) are packed into one long sentence, but no words are wasted.

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-value shape need not be described, yet the description still orients the agent by naming the returned map and its contents. Combined with the disclosed exclusions and the no-fetch behavior, it is essentially complete for a two-parameter read tool; only guidance about result size or limits is missing.

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 coverage is 100%, so both parameters are already documented in the input schema, making 3 the baseline. The description reinforces the provenance constraint and adds the important clarification that the returned object id is a combined resource id rather than an alias for either input UUID, which slightly exceeds schema-level meaning but mostly restates provenance already in the schema.

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 names a specific verb and resource: it lists report metadata for one MotoGP event/category and returns the event_category_files map. It is clear about what is returned, but it does not explicitly distinguish itself from a closely named sibling such as motogp_standings_files, so the agent must infer the boundary between report metadata and standings files.

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?

It establishes the prerequisite chain clearly (event_uuid from motogp_events, category_uuid from motogp_categories, both required), which is genuine usage context. However, it never says when to choose this tool over the other motogp_* file or content tools, and it does not name an alternative for actually fetching the report documents it says are not retrieved.

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