beta_testers_beta_tester_usages_get_metrics

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

No annotations are provided, so the description carries the full behavioral burden, and it discloses nothing: no read-only confirmation, no note on pagination, no rate-limit or permission context, no indication of what a metrics response contains.

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?

It is short, but the only content is a duplicated route string in parentheses, which is pure redundancy rather than front-loaded information. There is no useful sentence to be concise about.

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?

There is no output schema and no annotations, so the description should explain what a 'beta tester usages' metrics report is (e.g., usage counts per app over the reporting period). For a metrics endpoint with four parameters, the description leaves the agent guessing about semantics and return content.

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% (id, limit, period enum, filter_apps are all documented in the schema), so the baseline of 3 applies. The description adds no parameter meaning at all, but the schema already covers it.

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 is just the HTTP route repeated twice, so it restates the name rather than describing the operation. An agent can infer it retrieves usage metrics for a beta tester, but nothing states what the metrics represent or what the tool returns beyond the URL shape.

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 on when to use this tool, no mention of alternatives such as build_beta_usages_get_metrics or beta_groups_beta_tester_usages_get_metrics, and no prerequisites or scoping conditions.

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