Submit a comment / reply

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

With no annotations, the description takes full burden. It informs that the action is immediate and irreversible ('No confirmation step'), but lacks disclosure of authentication requirements, rate limits, or error handling. Basic transparency is provided, but gaps remain.

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 concise with a single sentence containing the core action and a key behavioral trait. It is front-loaded and avoids unnecessary words, though it could be slightly more structured.

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?

Given the simple tool (2 params, no output schema, no annotations), the description covers the basic action and immediacy but omits return value details, error handling, and prerequisites. It is minimally complete but not exhaustive.

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 description coverage is 50%: only 'parentId' has a description. The tool description does not add meaning for the 'text' parameter (e.g., formatting, length limits), which is undocumented in both schema and description. Thus, it insufficiently compensates for the 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?

The title and description clearly state the verb 'Submit' and the resource 'comment / reply'. It specifies posting a real comment reply immediately, distinguishing it from siblings like 'reddit_submit_post' (new post) and 'reddit_vote' (vote).

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 tool name and description but not explicitly stated. The description mentions 'No confirmation step' but does not provide clear when-to-use or when-not-to-use guidance compared to alternatives like 'reddit_send_message' or 'reddit_submit_post'.

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