claude-code-bible

Fetch Claude Code official documentation. Use when updating local reference docs or checking official spec.

SKILL.md

GitHub

Claude Code Bible

Official documentation reference management for Claude Code.

Purpose

Maintain up-to-date local copies of Claude Code official documentation.

Commands

/claude-code-bible update

Fetch the latest documentation from code.claude.com.

What it does:

  • Fetches https://code.claude.com/docs/llms.txt
  • Extracts all documentation URLs from the llms.txt content
  • Downloads each documentation page and saves as markdown
  • Writes a timestamp file for cache tracking
  • Respects a 24-hour cache (skip if fresh, unless --force used)

Usage:

# Fetch latest docs (skip if cached < 24h)
node .claude/skills/claude-code-bible/scripts/fetch-docs.js

# Force update even if cache is fresh
node .claude/skills/claude-code-bible/scripts/fetch-docs.js --force

# Custom output directory
node .claude/skills/claude-code-bible/scripts/fetch-docs.js --output /path/to/output

Default output location:

~/.claude/references/claude-code/
├── llms.txt              # Master index
├── last-updated.txt      # ISO timestamp
├── <doc-name>.md         # Individual doc pages
└── ...

Exit codes:

  • 0: Success (or cache is fresh)
  • 1: Fatal error

Implementation Notes

Fetch Script (fetch-docs.js)

Features:

  • Uses only Node.js built-in modules (https, fs, path)
  • Handles HTTP redirects (3xx responses)
  • Respects server with 200ms delay between requests
  • 24-hour cache to avoid unnecessary fetches
  • Comprehensive error reporting

Cache behavior:

  • Checks last-updated.txt timestamp
  • Skips fetch if < 24 hours old (unless --force)
  • Always updates timestamp on successful fetch

Error handling:

  • Reports HTTP errors with status codes
  • Continues on individual page failures
  • Prints summary of successes and failures

Integration with Other Skills

update-docs

  • Should update local docs first: /claude-code-bible update

dev-review

  • Can reference official docs for best practices

Benefits

  1. Up-to-date: Always have latest documentation locally
  2. Offline access: Work with docs even without internet
  3. Learning: Reference official patterns when creating new components

Notes

  • The fetch script is production-ready and can be used immediately
  • Consider running /claude-code-bible update weekly to stay current