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

The description adds that the tool is paid at a fixed $0.004 USDC, which is a meaningful behavioral disclosure beyond the annotations. However, readOnlyHint=false and openWorldHint=true are not expanded on; the description doesn't explain that a real web request occurs or clarify the payment-signature sequence. It doesn't contradict the annotations.

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 front-loaded sentence with no filler, and the cost is placed before the function. It earns its length, though it sacrifices substance for brevity. As a structure, it is clean.

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 paid, open-world tool with no output schema, the description is incomplete: it omits how payment is handled, what max_chars controls, and how output is structured beyond 'clean text, title, headings and links.' It also doesn't signal usage boundaries relative to sibling extraction tools. An agent would need to infer or discover too much before calling it correctly.

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?

With only 33% schema description coverage, the description needed to explain url and max_chars, but it doesn't. 'Any public web page' loosely maps to url, and max_chars is not mentioned at all. payment_signature is documented in the schema, but the description doesn't explain the quote-then-pay flow implied by 'Paid.'

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 communicates the tool turns any public web page into clean text, title, headings and links, which is a specific resource and output. It does not explicitly contrast itself with sibling genesis402_extract_json, and the wording mirrors the title rather than adding a verb phrase, but the purpose is not vague.

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?

No guidance is given about when to choose this over alternatives such as genesis402_extract_json or genesis402_email_check. The phrase 'any public web page' implies a broad applicability, but there are no stated conditions, exclusions, or alternative tool names. This leaves routing entirely to the agent's inference.

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