| FMRS | 75 / 100 · B | 80 / 100 · B | 79 / 100 · B |
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| Reliability | 12 / 20 | 14 / 20 | 12 / 20 |
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| Security and permissions | 18 / 20 | 16 / 20 | 16 / 20 |
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| Maintenance | 14 / 20 | 17 / 20 | 18 / 20 |
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| Documentation | 16 / 20 | 15 / 20 | 18 / 20 |
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| Setup experience | 15 / 20 | 18 / 20 | 15 / 20 |
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| Best for | - Teams with medium-to-large TypeScript/JavaScript, Python, Go, or Java codebases wanting a deterministic, local-first testing workflow
- Developers using MCP-compatible coding agents such as Claude Code, Cursor, Codex, Copilot, or OpenCode
- Privacy-conscious teams: code never leaves the machine and keys stay in environment variables
| - 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 in Kotlin, Rust, PHP, C#, Ruby, Swift, C/C++ needing generated tests, runtime coverage, or dynamic proof (only static behavior extraction is supported for these)
- Teams wanting hosted lifecycle management, cross-repo intelligence, or CI policy gates (this repo is the free local tool only)
- Users who need test generation but won't configure a model key — generation requires BYOK
| - 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 local repository files and git metadata to build the evidence graph
- Writes reports and metadata to .orangepro/
- Writes new generated tests under orangepro_generated/ (existing source files untouched)
- Optionally reads OpenAI / Anthropic / Ollama credentials from env and sends grounded code context directly to your configured provider
| - 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 | - Generated tests land in orangepro_generated/ and should be reviewed before running
- AI candidate links and flows are suggestions, never evidence; AI output does not change evidence tiers
- opro generate --pr checks out a PR and mutates your working tree; prefer --base
- With AI lanes enabled, grounded code context is sent directly to the configured model provider
- The MCP server has local filesystem and command execution access to the repository — use only on trusted codebases
| - 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, Codex, Copilot / VS Code, OpenCode, Generic MCP clients | Claude Code, VS Code, Cursor, Cline, Amp | Claude Desktop, VS Code, Cursor, Smithery.ai |
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| Tools | 18 | 2 | 19 |
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