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Compare MCP servers

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

DimensionWebclawTurn any URL into clean markdown, JSON, and LLM-ready context.NPM Sentinel MCP ServerAI-powered NPM package analysis MCP server
FMRS65 / 100 · C79 / 100 · B
Reliability10 / 2012 / 20
Security and permissions12 / 2016 / 20
Maintenance14 / 2018 / 20
Documentation15 / 2018 / 20
Setup experience14 / 2015 / 20
Best for
  • Developers building AI agents or RAG pipelines needing clean web content.
  • Users who prefer local-first, no-account extraction for most sites.
  • Those needing fast, Rust-powered extraction and a scriptable CLI.
  • 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 large-scale, hosted extraction without self-hosting infrastructure.
  • Users who need to handle heavily protected or JavaScript-rendered pages without a hosted API key.
  • Non-technical users looking for a GUI tool with no configuration.
  • 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
  • File system access: the CLI reads local files for diff operations and writes output files.
  • Network access: to fetch web pages and optionally connect to the hosted API.
  • Environment variables: may read API keys (WEBCLAW_API_KEY, OPENAI_API_KEY, etc.) and proxy settings.
  • 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
  • Scraping websites may violate their terms of service or robots.txt; use responsibly.
  • Hosted API requires network requests and data may be sent to remote servers.
  • Self-hosting requires maintenance and monitoring.
  • Incorrect proxy configuration can cause connection failures.
  • 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 Code, Cursor, Windsurf, OpenCode, CodexClaude Desktop, VS Code, Cursor
Tools1019