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seo_keyword_difficulty

Analyze keyword difficulty using the ReviewWeb.site API. Provide a keyword and optional country code to receive a difficulty score for SEO planning.

Instructions

Get keyword difficulty for a keyword using ReviewWeb.site API.

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault
keywordYesThe keyword to check difficulty for
countryNoCountry code (default: us)
api_keyNoYour ReviewWebsite API key
Behavior2/5

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

No annotations were provided, and the description does not disclose behavioral details such as API key requirements, rate limits, or the nature of the difficulty score. The mention of 'ReviewWeb.site API' is vague.

Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.

Conciseness4/5

Is the description appropriately sized, front-loaded, and free of redundancy?

The description is a single sentence, very concise with no wasted words. However, it could benefit from slight expansion to add value.

Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.

Completeness2/5

Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?

Given the lack of an output schema and only three parameters, the description is too minimal. It does not explain what 'keyword difficulty' means or how the result is interpreted, leaving gaps for an AI agent.

Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.

Parameters3/5

Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?

Schema coverage is 100%, so the input schema already describes each parameter. The description adds no additional insight beyond the schema, meeting the baseline for high coverage.

Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.

Purpose4/5

Does the description clearly state what the tool does and how it differs from similar tools?

The description clearly states the action 'Get keyword difficulty for a keyword', which is a specific verb+resource. It distinguishes from sibling SEO tools like seo_backlinks or seo_traffic but lacks additional context such as the output format.

Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.

Usage Guidelines2/5

Does the description explain when to use this tool, when not to, or what alternatives exist?

No guidance on when to use this tool versus alternatives (e.g., seo_keyword_ideas). The description does not mention prerequisites or context for invoking the tool.

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

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