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

Annotations already declare readOnlyHint=false, openWorldHint=true, idempotentHint=true and destructiveHint=false, so the agent knows this is a repeatable, non-destructive operation that reaches outside the system. The description usefully adds the precondition that the artifact must already be live on the site, but says nothing about failure behavior, propagation delay before re-checking, or what a negative result means.

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 sentence that leads with the precondition and ends with the action, with no filler. Slightly compressed to the point of ambiguity about what exactly is being confirmed.

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 no output schema, the definition should tell the agent what a confirmation looks like (e.g., verified vs. not-yet-found) and whether it can be retried safely. It omits both, leaving gaps for a tool that performs an outbound check and feeds into listing submission.

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 0% for the single required claim_id, and the description never mentions it at all — it does not say whether it is the claim UUID from a prior submit_listing/claim flow or how to obtain it. With one undocumented parameter, the description should have compensated and does not.

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?

"Call this to confirm" following publication of a site_verification file or meta tag identifies a specific action (confirming site ownership verification) and its subject. It is clear enough to distinguish from siblings like get_claim_status or request_owner_confirmation, though the wording is procedural rather than stating plainly "verify the business website claim."

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?

Gives an explicit prerequisite-and-timing rule: call only after the verification file or meta tag has been published on the business website. That is real when-to-use guidance, but it names no alternative for the case where the artifact is not yet published or verification repeatedly fails.

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