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DimensionDocs MCP Server (Grounded Docs)Self-hosted, version-accurate documentation grounding for AI coding assistants.NPM Sentinel MCP ServerAI-powered NPM package analysis MCP server
FMRS65 / 100 · C79 / 100 · B
Reliability9 / 2012 / 20
Security and permissions12 / 2016 / 20
Maintenance14 / 2018 / 20
Documentation16 / 2018 / 20
Setup experience14 / 2015 / 20
Best for
  • Developers who want private, self-hosted, version-accurate documentation grounding for AI coding assistants
  • Teams wanting to index internal or third-party docs without sending code to external hosted services
  • Developers auditing NPM dependencies within AI workflows
  • Teams performing supply chain security assessments
  • Users of Claude Desktop, Cursor, or VS Code
Not for
  • Users wanting a zero-setup hosted service without running their own server
  • Users needing immediate answers for documentation that hasn't been scraped/indexed yet
  • Use cases requiring guaranteed 100% accurate retrieval with no keyword/semantic search misses
  • 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
Required permissions
  • Outbound network access to fetch documentation from websites, GitHub, npm, and PyPI
  • Read access to local files, folders, and archives when indexing local sources
  • Local disk/storage for the documentation index (Docker deployments use /data and /config volumes)
  • Network access and an API key to a third-party embedding provider (e.g. OpenAI) if semantic search is enabled
  • Binding a local network port (default 6280) to serve the Web UI and MCP endpoint
  • 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
Risks and side effects
  • Fetching and indexing arbitrary external URLs can pull in untrusted or malicious content
  • Binding the server to 0.0.0.0 without configuring authentication (OAuth2/OIDC) can expose the Web UI, MCP endpoint, and indexed documentation to anyone on the network
  • Processing untrusted archives, Office documents, and PDFs carries the general risk of file-parsing bugs
  • Embedding-provider API keys (e.g. OPENAI_API_KEY) are supplied via environment variables and sent to the third-party provider
  • 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
Supported clientsClaude Desktop, Cline, VS Code, GitHub Copilot, Gemini CLIClaude Desktop, VS Code, Cursor
Tools119