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DimensionAsk Antigravity MCP ServerBridge Claude with Google's Antigravity CLI for a second model's reviewContext7Upstash's official server providing up-to-date third-party library docs for AI coding assistants
FMRS59 / 100 · C80 / 100 · B
Reliability9 / 2014 / 20
Security and permissions11 / 2016 / 20
Maintenance12 / 2017 / 20
Documentation14 / 2015 / 20
Setup experience13 / 2018 / 20
Best for
  • Users who already have a Google AI Pro/Ultra subscription and the agy CLI installed
  • Developers who want an independent review from a different vendor's model
  • One-shot, quota-backed second-opinion calls without metered API billing
  • Developers using fast-moving frameworks/libraries worried about the AI suggesting stale code
  • Scenarios wanting zero-config documentation lookup
Not for
  • Environments without the Antigravity CLI (agy) installed and authenticated
  • Workflows needing multi-turn sessions or session resume (this server is one-shot)
  • Production-critical flows requiring stable, non-experimental guarantees
  • Users who cannot send code to Google models (use the Ollama server for fully local runs)
  • 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
  • Spawn the agy CLI (Antigravity CLI) process on the host machine
  • Use the locally stored Google AI Pro/Ultra credentials and subscription quota
  • Read code and file context passed in as prompt content (sandbox on by default; reading directories via --add-dir may require setting ASK_ANTIGRAVITY_SANDBOX=0)
  • Write local logs and npm cache
  • 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
  • Reviewed code is sent to Google's Antigravity service, which may expose sensitive information
  • Sandbox is on by default; setting ASK_ANTIGRAVITY_SANDBOX=0 to read context reduces that isolation
  • The server is experimental and one-shot, and behavior or quota may change upstream
  • Long runs may time out (default 5 minutes), especially with large context reads
  • Subscription quota may be consumed or rate-limited
  • It is an unofficial third-party tool with no affiliation to Google or Anthropic
  • 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, Cursor, Codex, Claude DesktopClaude Code, VS Code, Cursor, Cline, Amp
Tools12