| FMRS | 57 / 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 | 11 / 20 | 16 / 20 | 16 / 20 |
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| Maintenance | 9 / 20 | 17 / 20 | 18 / 20 |
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| Documentation | 15 / 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 teams using AI coding assistants (e.g., Claude Code, Cursor).
- Projects with multiple context files and complex structure.
- Teams that need to maintain accurate agent context.
- Environments with strict security requirements for MCP configs (e.g., no hardcoded API keys).
| - 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 | - Projects that don't use AI context files.
- Simple, solo projects where files change infrequently (may be overkill).
- Non-critical projects that don't require strict context maintenance.
| - 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 context and config files in the project directory (e.g., CLAUDE.md, .mcp.json).
- Optionally reads user-level config files (e.g., ~/.claude/settings.json) and global MCP configs (with --mcp-global).
- Optionally reads agent history and memory files in the user's home directory (e.g., ~/.claude/history.jsonl) when session or skill audits are enabled.
- Optionally writes context files to fix broken paths when --fix is enabled.
| - 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 | - Auto-fix (--fix) may modify files unexpectedly; preview with --fix-dry-run and review changes.
- Session audit accesses sensitive history files in the home directory; enable only in trusted environments.
- The tool reads config and context files that may contain secrets (e.g., API keys); ensure access is controlled.
- Redundancy checks may produce false positives as inferred content may vary by context.
| - 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, Windsurf, VS Code, GitHub Copilot | Claude Code, VS Code, Cursor, Cline, Amp | Claude Desktop, VS Code, Cursor, Smithery.ai |
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| Tools | 7 | 2 | 19 |
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