zhook-mcp-server

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

With no annotations provided, the description carries full burden but only states this 'mimics a real third-party service' without disclosing critical behavioral traits. It doesn't mention whether this requires authentication, rate limits, what happens if the hook doesn't exist, or what response to expect. For a tool that sends data, this is insufficient behavioral disclosure.

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?

Two concise sentences that are front-loaded with the core purpose. Every word earns its place - no redundancy, no unnecessary elaboration, perfectly sized for the tool's complexity.

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 tool with no annotations and no output schema, the description is adequate but incomplete. It explains the purpose well but lacks information about authentication requirements, error conditions, response format, or what 'test' means operationally. Given the complexity of triggering webhooks, more context would be helpful.

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 100%, so the schema already documents all 4 parameters thoroughly. The description doesn't add any parameter-specific information beyond what's in the schema, maintaining the baseline score of 3 for high schema coverage.

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 clearly states the specific action ('Send a test webhook event') and target resource ('to a specific Hook'), distinguishing it from sibling tools like create_hook, get_hook, or list_hooks. It specifies this is for testing purposes, not actual webhook creation or management.

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 provides clear context about when to use this tool ('to mimic a real third-party service sending data'), but doesn't explicitly state when NOT to use it or name specific alternatives. It implies this is for testing rather than production use, though not explicitly.

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