| FMRS | 64 / 100 · C | 80 / 100 · B | 79 / 100 · B |
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| Reliability | 10 / 20 | 14 / 20 | 12 / 20 |
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| Security and permissions | 13 / 20 | 16 / 20 | 16 / 20 |
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| Maintenance | 12 / 20 | 17 / 20 | 18 / 20 |
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| Documentation | 16 / 20 | 15 / 20 | 18 / 20 |
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| Setup experience | 13 / 20 | 18 / 20 | 15 / 20 |
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| Best for | - Site owners who want a clear audit and a ranked fix list without learning a heavy dashboard
- AI agents that need real crawl, Search Console, analytics, keyword, and competitor evidence through MCP
- Developers who want to embed the same report engine in a script, CI job, or TypeScript app
| - 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 expecting a hosted dashboard or cloud data storage — data stays on the local machine
- Users needing official endorsement from Google or an SEO vendor — the project is third-party maintained
- Users without a Node 22+ runtime
| - 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 | - Read the local config directory to store project profiles, crawl reports, and provider caches
- Access the system keychain for Google OAuth tokens, Bing API key, IndexNow key, and similar credentials, falling back to a private 0600 file
- Network requests to audited sites, Google Search Console, Google Analytics, Bing Webmaster, Clicky, and selected research providers when enabled
- Optional access to Chrome UX Report, IndexNow, and the npm registry
- Optional CI use of a Google service account JSON key and environment variables such as SEO_GOOGLE_SERVICE_ACCOUNT_JSON, SEO_BING_API_KEY, SEO_CLICKY_SITEKEY, and SEO_INDEXNOW_KEY
| - 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 | - Optional external enrichment can send selected Search Console query or derived seed text to the chosen research provider only when explicitly enabled; it does not send Google credentials, property IDs, Search Console metrics, or Google Analytics rows
- When the system keychain is used, processes that cannot access it may read credentials readable by the same process user; without a keychain the CLI falls back to a private local file
- Research providers can charge for API requests; reports show estimated and actual cost, but spend limits are your responsibility
- Crawling issues many requests to the target site and may trigger access blocks; the report retains HTTP status, provider indicators, and access guidance
- User-agent names can be spoofed, so the server-log report describes request strings found in the log rather than verified crawler identity
- An accepted IndexNow request confirms receipt only and does not prove a URL was crawled, indexed, ranked, or shown
- Provider traffic, volume, difficulty, and visibility values are estimates and are not search-engine measured data
| - 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 | Codex, Claude Code, Claude Desktop, Cursor | Claude Code, VS Code, Cursor, Cline, Amp | Claude Desktop, VS Code, Cursor, Smithery.ai |
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| Tools | 4 | 2 | 19 |
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