| FMRS | 59 / 100 · C | 80 / 100 · B | 79 / 100 · B |
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| Reliability | 9 / 20 | 14 / 20 | 12 / 20 |
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| Security and permissions | 13 / 20 | 16 / 20 | 16 / 20 |
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| Maintenance | 11 / 20 | 17 / 20 | 18 / 20 |
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| Documentation | 14 / 20 | 15 / 20 | 18 / 20 |
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| Setup experience | 12 / 20 | 18 / 20 | 15 / 20 |
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| Best for | - Users of AI coding tools who need full discussion/documentation context rather than just URLs
- Clients that support MCP, such as Claude Code, Codex, Cursor, GitHub Copilot, Gemini CLI and Claude Desktop
- Teams deploying a remote MCP service via Docker and Streamable HTTP
- Environments that must egress through a proxy (HTTP/SOCKS5)
| - 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 who cannot install a Chromium-based browser on the MCP client machine and mainly need arbitrary-site page_content extraction
- Users who want to expose the remote HTTP port directly to the public internet (it is unauthenticated and unencrypted by default)
- Users unwilling to provide any search provider API key
| - 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 | - Reads a search provider API key from the environment (one of Serper/SerpBase/Tavily/SearXNG/Sofya/You.com)
- Optional GITHUB_TOKEN (can be read-only and limited to public repositories) for GitHub Issues/Discussions extraction
- Launches a local headless Chromium browser process to fetch arbitrary web pages
- Optional outbound network access via proxy env vars (HTTP_PROXY/HTTPS_PROXY/ALL_PROXY) or KINDLY_CHROME_PROXY
| - 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 | - HTTP transports are unauthenticated and unencrypted by default; exposing the port publicly is risky
- get_content fetches any URL it is given and runs from the server's network location, which can reach internal resources
- Browser reuse shares cookies, local storage, cache and user-agent state across requests
- API keys stored in client config files may leak
- Failed or timed-out fetches may return partial content or an error message
| - 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 Code, Codex, Gemini CLI, Claude Desktop, Cursor, OpenClaw, Antigravity, GitHub Copilot (VS Code) | Claude Code, VS Code, Cursor, Cline, Amp | Claude Desktop, VS Code, Cursor, Smithery.ai |
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| Tools | 2 | 2 | 19 |
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