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

Annotations already declare readOnlyHint, idempotentHint, destructiveHint=false and openWorldHint=false, so safety is covered. The description adds real behavioral context beyond them: the output is sanitized Markdown with front matter, redirects to current addresses are followed, and a defined set of pages is inaccessible. It does not mention rate limits or error/404 behavior, so a 4 rather than a 5.

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?

Three sentences, each carrying distinct information (what is returned, accepted input forms plus redirect handling, availability limits), with the core purpose front-loaded. Zero filler.

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?

With no output schema, the description compensates by describing the return shape (Markdown plus front matter fields) and, with full schema coverage on the single parameter, it states accepted input formats and exclusions. An agent has everything needed to invoke 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?

Schema description coverage is 100% and there is only one parameter, so the baseline is 3. The description adds genuine meaning beyond the schema: concrete accepted path formats ('/uslugi/', '/en/services/process-workshop/') and the fact that outdated URLs are resolved to their current page.

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 opens with a specific verb and resource ('Return the content of one public page of justautomate.ai') and even specifies the representation ('as clean Markdown, no navigation, scripts or forms, with title, description and canonical URL in the front matter'). This is clearly distinguishable from siblings like list_pages or search_site, which enumerate rather than fetch a single page.

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?

It gives clear input context (full URL or path like '/uslugi/'), notes that old addresses redirect to their current page, and states an explicit exclusion ('Private client offers and pages excluded from search engines are not available'). It does not explicitly contrast with the sibling tools (e.g., when to prefer search_site or list_pages first), so it stops short of full when/when-not guidance.

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