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

With no annotations, description must disclose behavior. It only mentions a limit of 10 keywords and the action of tracking, but does not state whether it performs live checks, stores results, requires authentication, or what output is returned. Very minimal behavioral disclosure.

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 concise single sentence with clear verb and object, front-loaded with action. There is zero wasted wording, and it effectively communicates the core purpose in minimal space.

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?

Given no output schema and no annotations, the description should explain return values and additional context. It fails to mention output format, how domain/country are used, or what 'tracking' entails, leaving a significant gap for a multi-parameter tool.

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 provides 100% parameter descriptions, so baseline is 3. The description adds no extra semantics beyond the schema, like country code format or domain pattern, and the max-10 limit is already present in the keywords parameter description.

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?

Description uses specific verb 'Track' and identifies the resource as 'ranking positions for multiple keywords'. It clearly distinguishes from sibling tools like check_ranking by emphasizing multi-keyword tracking and the max-10 constraint, which indicates a different use case.

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?

Description implies a clear use case for tracking multiple keywords simultaneously but does not explicitly name alternatives or exclude single-keyword checks. It provides context but no direct when-not-to-use guidance.

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