Get project

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

Annotations already declare readOnlyHint=true, idempotentHint=true, and destructiveHint=false, so the safety profile is covered by structured data. The description adds nothing beyond that — no error behavior for a missing/invalid id, no permission requirements, no indication of what a not-found result looks like.

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?

One short sentence with the key scoping word ("single") front-loaded and zero filler. It is terse rather than padded, though the terseness borders on under-specification.

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 output schema present, return values need no explanation, and annotations carry the safety profile, so the remaining burden is light. Still, for a lookup tool that is one of many get_* siblings, some anchor for obtaining the project_id or distinguishing from list_projects would make it complete rather than merely adequate.

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 0% for the single required project_id, but the description's phrase "by id" confirms the parameter is an identifier and that it selects exactly one record. That is a marginal but real addition; it does not supply format or source of the id.

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 states a specific verb (fetch) and resource (a single project), and the word "single" implicitly contrasts with the sibling list_projects. However, it does not name or acknowledge any sibling explicitly, so the differentiation is left to inference.

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?

There is no guidance on when to use this tool versus list_projects or get_dataset/get_model counterparts. The single word "single" is the only hint about scope, and no prerequisites (e.g., where the project_id comes from) are given.

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