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andyliszewski

webcrawl-mcp

webcrawl_map

Discover all URLs on a website by starting from a given URL and extracting same-domain links. Set a limit to control the number of URLs returned.

Instructions

Discover URLs on a website.

Fetches the given URL and extracts all same-domain links.

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault
urlYesStarting URL to map from
limitNoMaximum number of URLs to return (default: 50)

Output Schema

TableJSON Schema
NameRequiredDescriptionDefault
resultYes
Behavior3/5

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

Without annotations, the description discloses the basic action but omits details like respect for robots.txt, rate limits, or side effects, which is moderate transparency for a read-like operation.

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

Conciseness5/5

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

The description is two concise sentences that front-load the purpose, with no unnecessary words.

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

Completeness3/5

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

While concise, the description does not clarify how it differs from webcrawl_crawl or mention limitations like only same-domain links, leaving some contextual gaps.

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% with clear descriptions for both parameters (url and limit), so the description adds no extra meaning beyond the schema, earning a baseline score of 3.

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

Purpose5/5

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

The description clearly states 'Discover URLs on a website' and 'extracts all same-domain links', specifying a verb and resource that distinguishes it from sibling tools like crawl, scrape, and search.

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 is provided on when to use this tool versus alternatives such as webcrawl_crawl or webcrawl_search, leaving the agent without context for selection.

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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