kwfinder_competitor_domains

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

With no annotations provided, the description carries the full burden for behavioral disclosure. It only states the action but gives no details about return format, pagination, authentication requirements, rate limits, or whether this is a read-only operation. This is a significant gap for a tool with no structured metadata.

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 sentence and is front-loaded with the key verb and object. However, it is under-specified and does not earn its place by providing enough detail to be useful. It is concise but not complete enough to be considered well-structured for an API tool.

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?

The tool has no output schema, no annotations, and only three optional parameters. It sits among many related sibling tools, yet the description gives no context about what input is required, what the response will look like, or how this tool differs from near-names. This is far below the minimum viable description for a usable API 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 description coverage is 100%, so the baseline is 3. The description adds no parameter-specific meaning beyond the schema. The 'url' parameter is described as 'Domain or URL to analyze,' which is clear, and the generic 'body'/'query' parameters are adequately documented in the schema. The tool description itself contributes nothing extra.

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 uses a specific verb ('Get') and names a distinct resource ('competitor domains') from the KWFinder tool. It clearly states what the tool does, but it does not differentiate from sibling tools like 'kwfinder_gap_analysis' or 'kwfinder_competitor_keywords' that might also deal with competitor data.

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 guidance on when to use this tool versus alternatives. The description only states what it does, not in which context it should be chosen over other competitor-analysis tools. No exclusions or prerequisites are mentioned.

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