| 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 | 12 / 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 | 13 / 20 | 18 / 20 | 15 / 20 |
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| Best for | - Developers who have at least one supported provider CLI installed and authenticated, or the relevant API keys configured
- Teams that want cross-model code review and plan debate inside their coding workflow
- Users who need private or offline review via Ollama
- Users of MCP clients such as Claude Code, Codex CLI, Cursor, and Claude Desktop
| - 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 without any provider CLI installed or keys configured (the server does not supply model access itself)
- Environments that cannot install Node.js 20+ or are not Linux/macOS
- Users expecting a fully hosted, zero-config, or officially supported product
- Scenarios where outbound data transfer is strictly forbidden and no local provider such as Ollama is available
| - 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 local workspace files for context (e.g. Claude provider's Read/Glob/Grep-only access, Gemini's @ file syntax)
- Launch and call installed provider CLIs locally (codex, claude, agy, gemini, agent, etc.)
- Network access to call the xAI API (when using XAI_API_KEY) and the local Ollama service (default http://localhost:11434)
- Read API keys from environment variables (e.g. XAI_API_KEY, CURSOR_API_KEY)
- Cursor Agent runs in read-only ask mode and does not change force/trust/spend settings
| - 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 | - Code and prompts may be sent to external model providers, creating data-transfer exposure; choose Ollama when local privacy is required
- Metered endpoints such as the xAI API incur real costs; ASK_GROK_MAX_OUTPUT_TOKENS only bounds spend, it does not make it free
- Grok and Ollama never fall back to another model, so requests may fail outright
- Gemini CLI has been enterprise-seat-only since 2026-06-18; non-enterprise accounts get guidance instead of output
- Antigravity is experimental and one-shot, with limited reliability
- Plugin workflows such as codex-pair can trigger repeated external calls and costs, requiring an explicit marker and consent
- This is a third-party, unofficial tool with no affiliation with or endorsement by Anthropic, Google, OpenAI, or xAI
| - 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, Claude Desktop, Cursor, Codex, Pi | Claude Code, VS Code, Cursor, Cline, Amp | Claude Desktop, VS Code, Cursor |
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| Tools | 14 | 2 | 19 |
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