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DimensionOpenFlowKit MCP ServerLocal-first open-source diagramming tools for Claude, Cursor, Windsurf & other MCP clients.NPM Sentinel MCP ServerAI-powered NPM package analysis MCP server
FMRS67 / 100 · C79 / 100 · B
Reliability7 / 2012 / 20
Security and permissions16 / 2016 / 20
Maintenance16 / 2018 / 20
Documentation15 / 2018 / 20
Setup experience13 / 2015 / 20
Best for
  • Developers wanting to integrate AI-assisted diagramming into their workflow.
  • Teams that prioritize data privacy and prefer local tools.
  • Workflows that benefit from tight coupling between code and diagrams.
  • Developers auditing NPM dependencies within AI workflows
  • Teams performing supply chain security assessments
  • Users of Claude Desktop, Cursor, or VS Code
Not for
  • Users needing real-time multi-user collaboration (collaboration is experimental and off by default).
  • Users wanting GIF export (currently only MP4 is supported).
  • Users needing a desktop application (not yet released).
  • 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
  • No API key required.
  • No network requests needed; all operations run locally.
  • May access local file system for codebase analysis.
  • 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
  • Early-stage software; may have bugs or changes in functionality.
  • Codebase analysis may be inaccurate; AI-generated diagrams may require manual review.
  • Local-first means data stays in the browser local storage; sharing requires exports or viewer links.
  • 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, Cursor, WindsurfClaude Desktop, VS Code, Cursor
Tools619