M
MCP Directory CURATED DIRECTORY
911 MCP servers indexed
中文
← Back to directory
COMPARE UP TO 4 SERVERS

Compare MCP servers

Compare scores, permissions, risks, and fit in one decision-focused table.

DimensionCrawlieFast, free, open-source website audit MCP server for technical SEO and Generative Engine Optimization (GEO).Context7Upstash's official server providing up-to-date third-party library docs for AI coding assistants
FMRS50 / 100 · D80 / 100 · B
Reliability8 / 2014 / 20
Security and permissions9 / 2016 / 20
Maintenance8 / 2017 / 20
Documentation12 / 2015 / 20
Setup experience13 / 2018 / 20
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
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)
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
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
Supported clientsClaude Desktop, Claude Code, Cursor, ClineClaude Code, VS Code, Cursor, Cline, Amp
Tools122