| FMRS | 54 / 100 · D | 80 / 100 · B | 79 / 100 · B |
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| Reliability | 10 / 20 | 14 / 20 | 12 / 20 |
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| Security and permissions | 11 / 20 | 16 / 20 | 16 / 20 |
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| Maintenance | 12 / 20 | 17 / 20 | 18 / 20 |
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| Documentation | 10 / 20 | 15 / 20 | 18 / 20 |
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| Setup experience | 11 / 20 | 18 / 20 | 15 / 20 |
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| Best for | - Teams that want self-hosted web scraping with data control
- Developers using Claude Code, Cursor, Codex, Gemini CLI, OpenCode, or Windsurf
- Scenarios needing a low-resource single Rust binary
- Migration projects requiring a Firecrawl-compatible REST API
| - 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 need official Firecrawl, Tavily, or Anthropic backing or support
- Scraping needs that will not respect site policies and robots.txt
- Teams needing a fully managed SaaS without deploying anything themselves
| - 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 | - Network access: outbound HTTP/HTTPS requests to scrape, crawl, and search the web
- Local filesystem read/write: to store configuration such as ~/.config/crw/config.toml
- The install script may modify MCP configuration of detected AI tools
- A CRW_API_KEY credential is required when using the managed cloud
| - 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 | - Scraping third-party sites may conflict with their terms of service, copyright, or robots.txt rules; the project states crawl and map follow robots.txt by default
- The one-command install downloads and executes a remote script, which carries supply-chain risk
- The API key is stored in ~/.config/crw/config.toml, so local file permissions and leakage matter
- The container image uses the latest tag, which may make versions non-reproducible
- Managed cloud and local capabilities or response shapes can differ; check /v1/capabilities and response shapes before migrating
| - 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, VS Code, Cursor, Cline, Amp | Claude Desktop, VS Code, Cursor, Smithery.ai |
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| Tools | 0 | 2 | 19 |
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