list_categories

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

No annotations are provided, so the description carries the full burden, and it does disclose useful behavior: the HTTP endpoint, the Bearer token auth requirement, pagination, and that subcategories come back nested. It omits pagination mechanics (page size, cursors), so it falls just short of fully self-sufficient.

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 ENDPOINT and AUTHENTICATION sections are front-loaded and scannable, with no filler sentences. The label-heavy formatting is slightly verbose for such a simple read but every line carries information.

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?

For a parameterless read-only list tool with no output schema, the description supplies endpoints, auth, and a sketch of the return shape, which is close to sufficient. Pagination details and any filtering limits are the only notable omissions.

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?

The tool takes zero parameters, so there is no parameter semantics to document and the baseline of 4 applies.

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?

Specific verb+resource ('List all categories') with the added detail that subcategories are nested, which meaningfully distinguishes it from the sibling list_subcategories. It stops short of explicitly routing between the two, so it does not reach a 5.

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?

Usage is implied by the unfiltered 'list all' framing and the nested-subcategory note, but there is no explicit when-to-use statement or named alternative (e.g. list_subcategories, get_category) for an agent choosing between the many list_* siblings.

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