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DimensionConversational API DebuggerDebug REST API failures using OpenAPI specs and HTTP logs, with conversational root-cause analysis and cURL generation.NPM Sentinel MCP ServerAI-powered NPM package analysis MCP server
FMRS20 / 100 · D79 / 100 · B
Reliability2 / 2012 / 20
Security and permissions4 / 2016 / 20
Maintenance9 / 2018 / 20
Documentation2 / 2018 / 20
Setup experience3 / 2015 / 20
Best for
  • Claude Code users who want an assistant-oriented debugger for REST API failures.
  • Teams that have OpenAPI specs and HTTP/HAR logs and need structured root-cause analysis.
  • Developer workflows that prefer conversational iteration over paging through raw logs.
  • Developers auditing NPM dependencies within AI workflows
  • Teams performing supply chain security assessments
  • Users of Claude Desktop, Cursor, or VS Code
Not for
  • Non-REST debugging — the server is scoped to REST API failures via OpenAPI specs and HTTP logs; no support for other protocols is documented.
  • Replacing observability/APM platforms or automated test runners — only the documented debugging workflow is evidenced.
  • Users who need a known, enumerated list of tool names — the source material does not document the server's tool identifiers.
  • 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
  • Read access to the OpenAPI spec files and HTTP/HAR logs it is asked to analyze.
  • A Node.js runtime able to run the npm package as a stdio child process of Claude Code.
  • Whatever filesystem and environment access Claude Code grants the plugin during the session.
  • 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
  • Community-maintained rather than an official Anthropic or upstream-vendor server; verify conclusions before acting.
  • Analysis quality depends on the accuracy and completeness of the provided OpenAPI specs and logs.
  • Generated cURL commands should be reviewed before execution to avoid unintended side effects.
  • 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 CodeClaude Desktop, VS Code, Cursor
Tools019