reddit_thread

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

No annotations, so the description carries full behavioral burden. 'Public' weakly hints at auth, yet the schema exposes an access_token param, leaving the auth model ambiguous. Nothing is said about rate limits, pagination (the limit param), or return shape.

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?

A single tight sentence with no waste and the core action front-loaded. It is efficient but arguably too terse given the tool's six parameters.

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 six optional parameters, no annotations, and no output schema, the description should explain how to identify the thread and what sort/limit do. Instead it offers one generic sentence, leaving the agent to infer addressing and pagination from an incomplete schema.

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 only 67%: sort and limit have no schema description and the description adds nothing about them. It also does not clarify the id/url/subreddit alternative addressing scheme, so it fails to compensate for the coverage gap.

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?

Clear verb+resource: 'Read a public Reddit thread' and it specifies the payload ('post and comments'). However, it does not distinguish this from close siblings like reddit_read or reddit_post, so an agent cannot tell which to pick from the description alone.

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 when-to-use guidance and no alternative named. Given siblings reddit_read, reddit_post, reddit_comment, and reddit_search in the same family, the absence of routing guidance is a real gap.

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