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Compare scores, permissions, risks, and fit in one decision-focused table.

DimensionOpik MCP ServerConnect your AI host directly to your Opik workspace: read traces, log scores, and manage prompts.NPM Sentinel MCP ServerAI-powered NPM package analysis MCP server
FMRS67 / 100 · C79 / 100 · B
Reliability8 / 2012 / 20
Security and permissions14 / 2016 / 20
Maintenance18 / 2018 / 20
Documentation15 / 2018 / 20
Setup experience12 / 2015 / 20
Best for
  • LLM engineers already using Opik
  • Developers who want to manage LLM observability directly from their coding environment
  • Workflows needing deep integration with the Opik platform
  • Developers auditing NPM dependencies within AI workflows
  • Teams performing supply chain security assessments
  • Users of Claude Desktop, Cursor, or VS Code
Not for
  • Users not using Opik
  • Those not interested in LLM observability
  • Users needing offline or non-cloud features (ask_ollie and run_experiment are Comet Cloud only)
  • 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 Opik projects, traces, spans, test suites, experiments, and prompts
  • Write access to traces, spans, scores, comments, prompt versions, and experiments
  • Access to Opik API key (required)
  • 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
  • Requires API key, which poses security risks if exposed
  • ask_ollie and run_experiment are limited to Comet Cloud; not available for self-hosted
  • Cursor enforces a 60-second tool-call timeout; long operations may fail
  • Default YOLO mode auto-approves Ollie's writes, potentially leading to unintended modifications
  • 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 Code, Cursor, VS Code, MCP InspectorClaude Desktop, VS Code, Cursor
Tools619