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

Beyond the destructiveHint/openWorldHint annotations it usefully adds Quora's one-answer-per-question rule, the anti-spam/copied-text policy, immediate public visibility, and the per-call confirmation default with an opt-out. These are real behavioral adds, but the closing 'Waits for the owner's approval' sits awkwardly next to 'public at once' and 'you confirm each call', leaving the approval flow somewhat muddled rather than crisply specified.

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?

Short and front-loaded on the core action. The first two sentences restate the same idea ('Publish an answer as you under a question' / 'Publishes an answer under your name below the question you name'), which is wasted repetition, and 'as you' is awkward phrasing.

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 two-parameter mutation with no output schema, it covers the essentials an agent needs: permanence of publication, the one-answer limit, content policy, and the confirmation gate. It stops short of saying what happens if an answer already exists or what the call returns on success.

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 schema already documents both question_url and body_markdown, including the plain-text formatting rule. The description only alludes to 'the question you name' and forbids copied text; it adds no syntax, format, or validation detail beyond the schema.

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 states a specific verb and resource ('Publish an answer') plus scope: under a named question, under the agent's own identity, publicly visible immediately. It doesn't compare itself to the nearest sibling (post_to_space) or clarify how ask_question relates, so the boundary between tools is left implicit.

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?

It gives constraints that imply when the tool applies ('one answer per person per question', no spam or copied text) and notes a confirmation default. But it never says when to prefer this over post_to_space or when not to post at all, leaving usage only implied.

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