approve_time_off_request

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

Annotations contain only a title, so the description carries the full behavioral burden. It does not disclose whether approval is reversible, what state the request moves to, whether an approval note is surfaced to the worker, or what authorization is needed — all material for an irreversible mutation.

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 front-loaded sentence with zero waste — the verb and resource lead. It is efficient, though the brevity comes at the cost of the behavioral detail scored elsewhere.

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 mutating approval tool with no annotations and no output schema, this is thin: no permission model, no post-approval state, no error conditions (e.g., request already approved or expired), and no note on the significance of the notes parameter.

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%, with both request_id and notes documented in the schema, so the baseline of 3 applies. The description adds nothing beyond the schema, but nothing is missing either.

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?

States a specific verb ('Approve') and resource ('time-off request'), which cleanly separates it from list_time_off_requests and create_time_off_request. It doesn't name or contrast with the other approve_* siblings, but each targets a distinct resource, so the distinction is largely carried by the name.

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 word 'pending' implies only pending requests are approvable, but there is no explicit when-to-use guidance, no prerequisites (e.g., required permissions or approver role), and no mention of what to do instead if a request should be rejected. No alternatives are named.

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