get_library_sections_by_section_id_movies

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

The readOnlyHint, idempotentHint, and non-destructive annotations already establish the safety profile, and the description adds no behavioral context beyond the GET method. It does not mention filtering, pagination, response contents, permissions, or anything that would go beyond the annotations.

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 short, front-loaded with the core purpose, and follows with the endpoint and single argument. The Args block slightly duplicates the input schema, but the definition is still appropriately sized and free of unnecessary prose.

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 simple read-only endpoint with one required integer parameter, a provided output schema, and read-only annotations, this terse description is nearly sufficient. However, it lacks any orienting statement about what the returned movie list contains or how it differs from sibling section endpoints, leaving some contextual gap for an agent.

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 0%, but the description only restates the parameter as 'The id of the section', which adds almost nothing beyond the schema property title 'Section Id'. It does not explain how to discover section IDs or how the ID relates to the path variable beyond the obvious mapping.

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 'Get Section Movies' and gives the exact endpoint GET /library/sections/{sectionId}/movies, making it clear that the tool retrieves movie items from a library section. It is specific enough to be usable, though it does not explicitly contrast with the many sibling section endpoints such as shows or albums.

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?

There is no when-to-use guidance, no exclusions, and no mention of alternative tools. The only usage signal is the implied fact that this endpoint is for movies in a section, which provides little help for choosing among the many section-related sibling tools.

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