create_project_update

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

The description discloses that health can be one of three values, which adds some transparency. However, it fails to mention effects (e.g., whether updates are appended or replace existing), error conditions, permission requirements, or any side effects. The annotations only include openWorldHint: true, which does not compensate for the lack of behavioral context.

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 sentence that conveys the core action and adds critical detail about health values. No unnecessary words or repetition.

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?

With an existing output schema, return values are not needed. However, the description omits contextual details like whether this is an append-only operation or if there are limits. The presence of sibling tools that also modify projects suggests more context would help, but the basic purpose is covered.

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?

Only the health parameter gets semantic information from the description (possible values). The body and project_id parameters are not described at all. Since schema coverage is 0%, the description should have compensated more, but it only partially addresses one of three parameters.

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 'Post a project update,' which is a specific verb+resource combination. It also mentions possible health values, but does not explicitly differentiate from sibling tools like update_project or list_project_updates, though the name itself indicates a distinct operation.

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 guidance is provided on when to use this tool versus alternatives, such as when to create a new update vs. updating an existing one. There is no mention of prerequisites or context for usage.

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