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

No annotations are present, so the description bears the behavior-disclosure burden. It does convey that this is a transparency/metrics report and explicitly warns it is not a betting tool, but it never explicitly says the operation is read-only or describes what response or data access the call entails.

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 compact sentence plus a purposeful disclaimer. The metric names are front-loaded immediately after the resource name, and the 'not a betting tool' warning earns its place as a safety/expectation-setting note. No filler exists.

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 parameterless report-card tool with no annotations and no output schema, the description is reasonably complete: it names the resource and the key metrics an agent can expect. It does not explain how to interpret Brier score or calibration, but the low complexity and zero-parameter surface make that a minor gap.

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 zero parameters, so there is nothing to document; per the rubric this is a baseline 4. The description adds useful context by naming the exact metrics the report exposes, which is more than the empty schema provides.

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 identifies the exact resource ('SkorMerkez Maç Radarı') and the contents of the report (isabet oranı, Brier skoru, kalibrasyon), which clearly distinguishes it from match-listing and standings siblings. It is a noun phrase rather than an explicit verb+resource statement, but the intent is unambiguous.

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 explicit guidance on when to call this tool versus alternatives. 'Bahis aracı değildir' is a disclaimer, not a usage guideline, and no sibling tool is mentioned. An agent must infer the use case from the report-card framing alone.

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