检查微信公众号连接

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

Annotations already declare readOnlyHint=true and destructiveHint=false. The description adds meaningful behavioral context by stating that the result does not include secret keys or Access Tokens, which is valuable security-relevant information beyond the annotations.

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 a single, focused sentence. It front-loads the action and resource, then adds a useful security caveat without any redundancy or filler.

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 zero-parameter, read-only validation tool, the description is sufficiently complete. It explains what is checked and what is intentionally omitted from the result. Minor absence: it does not describe the exact success/failure output shape, but that is not critical for such a simple check.

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?

The tool has zero parameters, so parameter-level explanation is unnecessary. Per the baseline for zero-parameter tools, a score of 4 is appropriate, and the description appropriately avoids inventing parameter details.

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 uses a specific verb ('验证' / validate) and names concrete resources: WeChat Official Account credentials and API IP whitelist. This clearly identifies the tool's function and distinguishes it from the sibling tools, which all deal with article bundles or drafts.

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 makes the tool's context clear: it is a pre-flight access check for credentials and IP whitelist. It does not explicitly name alternatives or when-not-to-use conditions, but the sibling tools are so different that the intended usage is evident.

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