search_reddit

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

No annotations are provided, so the description carries the full burden. It states that the tool returns metadata and URLs, implying it is read-only, but does not disclose rate limits, authorization needs, pagination behavior (despite the 'after' parameter), or error handling. The behavioral description is minimal.

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 only two sentences, front-loaded with the primary purpose, and includes a complementary instruction to use 'fetch' for full content. Every word is necessary and there is no redundancy.

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?

The tool has 7 parameters and no output schema. The description is too brief to be complete: it omits explanation of the return structure beyond 'metadata and URLs', does not explain pagination (despite the 'after' parameter), and does not differentiate from the sibling 'browse_reddit' tool. More context is needed.

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 the input schema already documents all 7 parameters. The description adds no additional meaning beyond what is in the schema (e.g., it does not explain the purpose of 'sort', 'time', or 'after'). Baseline 3 is appropriate.

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 clearly states the tool searches Reddit posts and returns metadata and URLs. It distinguishes from siblings like 'browse_reddit' by indicating that this tool is for searching, not browsing, and that full content requires another tool. However, it does not explicitly differentiate from the generic 'search' tool.

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?

The description provides a usage hint: use another tool ('fetch') for full content. However, it does not give explicit context on when to use this over siblings like 'browse_reddit' or 'search', nor does it mention prerequisites or alternatives.

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