LLM-optimized documentation fetching using llms.txt standard. Use when fetching external documentation, API references, library docs, or when user mentions ドキュメント参照, 公式ドキュメント, API docs, library documentation.
View on GitHubthkt/claude-config
security-tools
February 1, 2026
Select agents to install to:
npx add-skill https://github.com/thkt/claude-config/blob/main/skills/utilizing-llms-txt/SKILL.md -a claude-code --skill utilizing-llms-txtInstallation paths:
.claude/skills/utilizing-llms-txt/# llms.txt Documentation Fetching
## Fetch Order
When fetching external documentation:
| Step | Action | 200 OK | 404 |
| ---- | -------------------------- | ---------- | -------- |
| 1 | `{base_url}/llms.txt` | Use | → Step 2 |
| 2 | `{base_url}/llms-full.txt` | Use | → Step 3 |
| 3 | `{original_url}` | Use (HTML) | - |
## Parse llms.txt
| Pattern | Meaning | Action |
| --------------- | ------------ | ------------------ |
| `# Title` | Project name | Context |
| `> Blockquote` | Summary | Context |
| `## Section` | Category | Navigate |
| `- [Link](url)` | Page link | Fetch if relevant |
| `## Optional` | Low priority | Skip unless needed |
## Base URL Extraction
| Element | Value |
| ------- | ----------------------------------------------- |
| Input | `https://docs.stripe.com/api/checkout/sessions` |
| Output | `https://docs.stripe.com` |
| Rule | `{scheme}://{host}` |