x402node_url_check-status

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

No annotations are provided, and the description does not disclose behavioral traits such as rate limits, cost implications (though price is mentioned vaguely), or safety concerns. It only lists capabilities, missing important operational context.

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 series of keywords followed by a sentence and pricing info. It is somewhat repetitive and lacks clear structure. While not overly long, the information could be better organized for readability.

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 the tool's simplicity and lack of output schema, the description provides sufficient detail on what the tool checks (HTTP status, response time, etc.) and typical use cases. However, it could mention error handling or required permissions.

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 covers the single parameter (url) with 100% description coverage, so the baseline is 3. The description does not add any extra meaning or format hints beyond what the schema already 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 clearly states the tool's purpose with specific verbs and resources: 'Check any public URL for HTTP status, response time, content-type, content-length, redirect chain, server header.' It also distinguishes from sibling tools like x402node_url_dns-lookup and x402node_url_ssl-check, which cover different URL aspects.

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 mentions use cases ('AI agents, monitoring pipelines, security audits, and link validation') but does not explicitly compare with alternatives or provide when-to-use vs when-not-to-use guidance. There is no mention of prerequisites or exclusions.

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