get_fixtures_by_multiple_ids

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

No annotations provided, so description must carry the burden. It mentions a maximum of 50 IDs, which is useful, but fails to disclose other important behaviors such as default field returns, pagination behavior, or error handling.

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?

Single sentence, no fluff, appropriately front-loaded with the essential action and input format. Length is minimal but sufficient for the core purpose.

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?

With 9 parameters, no output schema, and no annotations, the description is too terse. It does not explain the purpose of optional parameters like include, select, filters, or provide typical usage patterns, leaving agents underinformed.

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 has 100% description coverage, so baseline is 3. The description adds value for the 'ids' parameter by specifying format (comma-separated) and limit (max 50), which is beyond schema. Other parameters are adequately described in 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?

Description clearly states the purpose: 'Get multiple fixtures by a comma-separated list of IDs (max 50).' It uses a specific verb and resource, and distinguishes from the singular get_fixture_by_id and other fixture retrieval tools.

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?

No explicit guidance on when to use this tool versus alternatives like get_fixture_by_id or get_fixtures_by_date. The description implies usage when you have multiple IDs, but does not explain scenarios or exclusions.

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