approval_request_update_for_reject

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

No annotations are provided, and the description fails to disclose any behavioral traits such as whether the rejection is permanent, what permissions are needed, or any side effects. The description 'Reject Approval Request' is purely functional and adds no behavioral insight.

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?

While the description is short (3 words), it is under-specified. Conciseness should provide necessary information without waste, but here it fails to earn its place by omitting critical details about parameters or usage. A single phrase is insufficient for a tool with a complex nested input.

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 tool's complexity (3 parameters, one required nested object with many subfields) and lack of output schema, the description is completely inadequate. It does not explain what fields in the body are needed for rejection, leaving the agent without key context to invoke the tool correctly.

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 input schema has 100% description coverage: each parameter has a basic description (e.g., 'Request body.'). The tool description itself adds no additional meaning beyond what the schema already provides. With high schema coverage, a baseline of 3 is appropriate.

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 'Reject Approval Request' clearly states the verb 'Reject' and the resource 'Approval Request', making the tool's purpose immediately understandable. However, it does not differentiate from sibling tools like 'approval_request_update_for_ignore', which also update approval requests but with different actions.

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 no guidance on when to use this tool versus alternatives such as ignoring or taking ownership of an approval request. No prerequisites, context, or exclusions are given, leaving the agent without decision-support information.

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