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

No annotations are provided, so the description carries the full behavioral burden and delivers none of it. It does not say whether the re-scan creates a new scan record, overwrites prior results, preserves history, requires ownership of the original scan, or what the response contains.

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 single fragment is short but that is under-specification rather than conciseness; there is no front-loaded statement of effect or return. Nothing beyond the name is communicated.

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 two-parameter mutation-style tool with no annotations, no output schema, and an undocumented schema, this description is completely inadequate. An agent cannot safely decide when to call it or predict its effect.

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 0%, so neither the url nor max_pages parameter is documented anywhere. The phrase "updated parameters" adds no meaning about which parameters can be changed, whether url must match the original scan, or how max_pages bounds the crawl.

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?

"Re-scan" is a verb echoing the tool name refresh_scan, and "with updated parameters" restates the existence of inputs rather than describing the operation. It does not distinguish this from the sibling scan_website or explain what a refresh actually produces versus a fresh scan.

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 when-to-use guidance, no condition that selects refresh_scan over scan_website, and no exclusion for when a re-scan is inappropriate. The agent is left to guess entirely.

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