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Compare MCP servers

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

DimensionToken-GoatReduce wasted AI coding context and keep agents focused.Context7Upstash's official server providing up-to-date third-party library docs for AI coding assistants
FMRS43 / 100 · D80 / 100 · B
Reliability4 / 2014 / 20
Security and permissions8 / 2016 / 20
Maintenance8 / 2017 / 20
Documentation13 / 2015 / 20
Setup experience10 / 2018 / 20
Best for
  • Developers who regularly use Claude Code, Codex CLI, Gemini CLI, or other supported AI coding CLIs.
  • Users seeking to reduce context usage from large repositories, logs, screenshots, and skill files.
  • Users comfortable with modifying local AI-client configuration and creating indexes and caches.
  • Developers using fast-moving frameworks/libraries worried about the AI suggesting stale code
  • Scenarios wanting zero-config documentation lookup
Not for
  • Users seeking a standard MCP server manifest, documented MCP transport, or directly callable MCP tool inventory.
  • Users who do not want a global npm package, registered hooks, or client-configuration changes.
  • Production users requiring validated macOS support; the README labels macOS as untested.
  • 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)
Required permissions
  • Requires installing a global Node.js/npm package.
  • Requires writing client configuration and hook files for supported AI tools.
  • Requires reading project files, Git information, and relevant session data to build indexes, caches, and compact manifests.
  • The optional worker runs as a local background process.
  • 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
Risks and side effects
  • Hooks intercept or rewrite reads, Bash commands, screenshots, and other tool calls, which can change how original output is presented.
  • Indexes, caches, and session manifests store project or tool output locally; the README does not document complete retention or encryption behavior.
  • The README claims to scan fetched web content and block prompt injection, but this should not replace human review or the client's own security controls.
  • Some bridges are not validated against live instances, including the documented Qwen, OpenClaw, and pi integrations; Copilot hook failures can deny all tool calls in a session.
  • Repository metadata says NOASSERTION for the license, while the README badge shows PolyForm Noncommercial; verify the repository license before use.
  • 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
Supported clientsClaude Code, Codex, Gemini CLI, Qwen Code, GitHub Copilot CLI, OpenCode, pi, Grok CLIClaude Code, VS Code, Cursor, Cline, Amp
Tools02