approve_merge_request

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

Annotations only include 'openWorldHint: true', indicating potential unlisted side effects. The description does not disclose behavioral traits such as whether approval triggers notifications, pipelines, or requires specific permissions beyond what the schema suggests. It adds no value beyond the schema and name.

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 very concise (one sentence) but lacks useful details. While it is not verbose, it is arguably under-specified. It earns its place but could be expanded without becoming overly long.

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 four parameters and the 'openWorldHint' annotation, the description is incomplete. It does not mention tool output (e.g., return value, success/failure indication), potential side effects, or common usage patterns. The agent needs more context to use this tool effectively.

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% parameter description coverage, so the schema adequately explains each parameter's meaning. The tool description does not add additional parameter semantics beyond what the schema already provides, earning a baseline score of 3.

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 action and resource: 'Approve a merge request.' The verb 'approve' is specific and distinct from sibling tools like 'merge_merge_request' and 'unapprove_merge_request'. However, it does not elaborate on scope or provide further distinguishing context.

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?

No usage guidelines are provided. The description does not specify when to use this tool versus alternatives like 'unapprove_merge_request' or 'merge_merge_request', nor does it mention prerequisites or contexts (e.g., approval rules, permissions).

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