| FMRS | 50 / 100 · D | 80 / 100 · B | 79 / 100 · B |
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| Reliability | 8 / 20 | 14 / 20 | 12 / 20 |
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| Security and permissions | 9 / 20 | 16 / 20 | 16 / 20 |
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| Maintenance | 8 / 20 | 17 / 20 | 18 / 20 |
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| Documentation | 12 / 20 | 15 / 20 | 18 / 20 |
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| Setup experience | 13 / 20 | 18 / 20 | 15 / 20 |
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| Best for | - Developers and marketers needing a free, local-first SEO/GEO audit tool.
- Teams wanting to integrate website audits into agent workflows.
- Users needing CI/CD integration and structured JSON output.
- SEO professionals aiming to optimize for AI search (like ChatGPT, Perplexity).
| - Developers using fast-moving frameworks/libraries worried about the AI suggesting stale code
- Scenarios wanting zero-config documentation lookup
| - Developers auditing NPM dependencies within AI workflows
- Teams performing supply chain security assessments
- Users of Claude Desktop, Cursor, or VS Code
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| Not for | - Users requiring enterprise support or a hosted cloud service (Crawlie Cloud is closed-source).
- Users needing additional plugin ecosystems beyond the 57 built-in rules.
- Beginners who prefer a pure GUI and no CLI or agent interaction (desktop app available but separate download).
| - Looking up internal/private codebase documentation (Context7 targets publicly published open-source libraries)
- Cases needing very high coverage of obscure, niche libraries (coverage depends on what Context7's platform has indexed)
| - Projects outside the NPM ecosystem (e.g., pure Python/Go)
- Environments without network access to deps.dev, OSV.dev, and the npm registry
- Scenarios requiring maintenance by an official upstream vendor
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| Required permissions | - Local network access to crawl target websites.
- Execution of the binary (installed automatically via npm).
- For hosted endpoint: API key and network access.
| - Usable without an API key (subject to a free-tier rate limit); CONTEXT7_API_KEY is an optional credential for higher quota
- Read-only documentation lookup — no code execution or local filesystem access involved
| - Network access to the NPM registry and external services (deps.dev, OSV.dev, OpenSSF, npms.io, GitHub)
- Read access to workspace lockfiles (pnpm-lock.yaml, package-lock., yarn.lock) for cache invalidation
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| Risks and side effects | - Crawling websites may violate their robots.txt or terms of service; ensure you have permission to crawl the target site.
- The MCP server is open-source and may not have undergone extensive security audits; assess your own risk.
- For hosted services, your data is sent to Crawlie's servers; be aware of privacy implications.
| - The free tier has limited quota — high-frequency use may hit rate limits
- Documentation content comes from Context7's platform index, so its accuracy and freshness depend on that platform's crawl cadence
| - Third-party READMEs and changelogs are untrusted external content; they are wrapped in tags with _meta flags but should still be handled cautiously
- Depends on availability and accuracy of external services
- Batch requests are capped at 25 packages to prevent registry enumeration; larger sets require batching
- Third-party open source project, not officially maintained by NPM or Anthropic
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| Supported clients | Claude Desktop, Claude Code, Cursor, Cline | Claude Code, VS Code, Cursor, Cline, Amp | Claude Desktop, VS Code, Cursor |
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| Tools | 12 | 2 | 19 |
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