ga4_get_property_quotas_snapshot

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

With no annotations, the description carries the full burden. It discloses the non-obvious cost behavior: even though no report runs, one property-quota token is charged to the category with the most remaining quota. This is valuable, specific behavioral context beyond the basic read action.

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?

Two sentences, front-loaded with the core purpose, followed by a critical caveat. Every sentence earns its place with no fluff or repetition of schema content.

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 single-parameter read tool, the description is nearly complete: it names the resource, endpoint, side effect, and non-report behavior. It omits details about the response shape, but that is partially forgiven because no output schema exists and the name suggests a snapshot structure.

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 coverage is 100% and the single parameter already has a clear description ('Numeric GA4 property ID or properties/{id}'). The tool description adds no additional parameter-level detail, so the baseline 3 applies.

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 ('read'), a precise resource ('current GA4 Data API property quota snapshot'), and the endpoint version. It also explicitly distinguishes itself from running a report, which differentiates it from the many report-oriented sibling tools.

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 description clearly implies use for checking quota state and explicitly says it does not run a report, an important exclusion that prevents misuse. It does not name an alternative tool or enumerate conditions, but the context is clear enough for an agent.

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