entain_quicklinks_list

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

Annotations already declare readOnlyHint and idempotentHint, and the description adds useful context beyond these: the return format and the statement 'Auth: none needed.' It does not contradict annotations and provides enough behavioral transparency for a simple read-only list operation.

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 compact and well-structured: a short purpose line, a return format line, a usage example, and an auth note. Every sentence contributes useful information without unnecessary elaboration, though it could be tightened syntactically.

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 one-parameter list tool with no output schema, the description provides the return structure, an example invocation, and auth requirements. It does not enumerate all possible filter types (e.g., Sports), but combined with the schema this is sufficient for basic usage.

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%: the only parameter 'filter' is already described with an example and a warning about bare strings. The description repeats this example but does not add additional parameter semantics beyond the schema, maintaining the baseline score.

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 identifies the resource as 'Navigation quick-links (racing/sports nav tiles)' and implies a list operation through the name and return structure. It lacks an explicit verb like 'List' or 'Fetch' and does not distinguish from similar sibling tools such as 'fanduel_racing_quicklinks', but the domain and resource are 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?

The description provides a concrete example filter for Racing and notes that authentication is not required. However, it does not explain when to use this tool over other navigation/resource tools, enumerate possible filter types, or mention alternatives.

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