| FMRS | 49 / 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 | 10 / 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 | 11 / 20 | 18 / 20 | 15 / 20 |
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| Best for | - Developers using Claude Code, Cursor, Windsurf, Cline, OpenCode, or another supported AI coding client
- Teams reviewing AI-generated code, MCP tools, prompts, and supply-chain risks
- Teams needing security evidence before CI, releases, or vendor reviews
| - 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 only need traditional dependency vulnerability scanning
- Users looking for a replacement for npm audit
- Users needing hosted semantic review without configuring a model provider
| - 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 access to projects, files, Git diffs, MCP servers, or dependency data being scanned
- The auto-fix capability may require write access to project files
- Semantic review uses the model provider selected by the user
| - 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 | - AI-generated code may introduce SQL injection, XSS, command injection, unsafe cryptography, or secrets
- MCP tools may contain description injection, tool-name spoofing, environment-variable exposure, or command-execution risks
- AI-generated package names may not exist, creating package-squatting or dependency-confusion risks
- Semantic review sends relevant content to the selected provider; rule-based scans and MCP scans run locally
| - 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, Cursor, Claude Desktop, Windsurf, Cline, Kilo Code, OpenCode, Cody | Claude Code, VS Code, Cursor, Cline, Amp | Claude Desktop, VS Code, Cursor |
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| Tools | 17 | 2 | 19 |
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