← Back to directory
COMPARE UP TO 4 SERVERS

Compare MCP servers

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

DimensionCVE MCP ServerTurn Claude into a security intelligence analyst.Context7Upstash's official server providing up-to-date third-party library docs for AI coding assistantsNPM Sentinel MCP ServerAI-powered NPM package analysis MCP server
FMRS50 / 100 · D80 / 100 · B79 / 100 · B
Reliability9 / 2014 / 2012 / 20
Security and permissions12 / 2016 / 2016 / 20
Maintenance8 / 2017 / 2018 / 20
Documentation10 / 2015 / 2018 / 20
Setup experience11 / 2018 / 2015 / 20
Best for
  • Security operations, vulnerability-management, and DevSecOps teams.
  • Claude users who need aggregated security data from multiple public sources.
  • Teams that want to start with key-free tools and add API credentials progressively.
  • 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
Not for
  • Active scanning or probing of infrastructure.
  • Workflows requiring writes to external systems or automated remediation.
  • Use cases requiring a local CVSS v4.0 calculator.
  • 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
Required permissions
  • Requires outbound HTTPS access to the relevant external APIs.
  • API keys are supplied through environment variables; some network, threat, and URL tools require specific credentials.
  • Stores responses in a local SQLite cache and writes an audit log.
  • urlscan_check can submit URLs for scanning; most other functions are read-oriented.
  • 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
Risks and side effects
  • CVE IDs, IPs, hashes, domains, and package names are sent to the relevant external APIs.
  • Provider rate limits, credential requirements, and data freshness can affect results.
  • The risk score is a composite indicator and does not replace human judgment; KEV entries are forced to at least CRITICAL/76.
  • The server does not actively scan, but URLScan submissions send URLs to that service.
  • 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
Supported clientsClaude Desktop, Claude CodeClaude Code, VS Code, Cursor, Cline, AmpClaude Desktop, VS Code, Cursor, Smithery.ai
Tools28219