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docs-fetcher

@mvilrokx/claude-skills
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Fetch up-to-date library documentation directly into context to prevent hallucinated APIs and outdated code examples. Use when user says "use docs", "fetch docs for [library]", "check [library] docs", or asks about a library's API, methods, or usage patterns and current documentation would be helpful. Also use proactively when generating code for libraries where version-specific accuracy matters.

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SKILL.md

name docs-fetcher
description Fetch up-to-date library documentation directly into context to prevent hallucinated APIs and outdated code examples. Use when user says "use docs", "fetch docs for [library]", "check [library] docs", or asks about a library's API, methods, or usage patterns and current documentation would be helpful. Also use proactively when generating code for libraries where version-specific accuracy matters.

Docs Fetcher

Fetch current documentation for libraries to ensure accurate, up-to-date code generation.

Workflow

Trigger Detection

Activate this skill when:

  • User explicitly requests: "use docs", "fetch docs for X", "check X documentation"
  • User asks about specific API methods, parameters, or patterns for a supported library
  • Generating code where version-specific accuracy is critical

Execution Steps

  1. Identify the library from user request or code context
  2. Look up documentation URLs in references/libraries.md
  3. Fetch relevant pages using fetch_webpage tool with appropriate URLs
  4. Use fetched content to inform code generation or answer

Fetching Strategy

For comprehensive coverage, fetch multiple pages:

fetch_webpage(urls: [
  "https://fastapi.tiangolo.com/tutorial/dependencies/",
  "https://fastapi.tiangolo.com/advanced/advanced-dependencies/"
])

For quick lookups, fetch the most relevant single page.

Adding Libraries

To add a new library, edit references/libraries.md:

  1. Find the official documentation URL
  2. Identify key pages: quickstart, API reference, common patterns
  3. Add entry following the existing format

Limitations

  • Fetches only explicitly listed URLs (no recursive crawling)
  • Some documentation sites may block or limit fetches
  • Very large pages may be truncated
  • No version pinning — fetches current docs

When NOT to Use

  • General programming questions not library-specific
  • Libraries not in the mapping (inform user, suggest they provide URLs)
  • Simple questions where training knowledge is sufficient