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DimensionAsk Antigravity MCP ServerBridge Claude with Google's Antigravity CLI for a second model's reviewGitHub MCP ServerGitHub's official MCP server for managing repos, issues, PRs, and workflows via natural language
FMRS59 / 100 · C76 / 100 · B
Reliability9 / 2013 / 20
Security and permissions11 / 2014 / 20
Maintenance12 / 2018 / 20
Documentation14 / 2017 / 20
Setup experience13 / 2014 / 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
  • Teams that want an AI assistant to directly operate on GitHub repos and collaboration workflows
  • Users already in the GitHub Copilot ecosystem who want a zero-deployment remote option
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)
  • Scenarios where you don't want the assistant to have write access to repos (enable only read-only toolsets)
  • Environments with strict network isolation for private repos that can't reach the official remote endpoint
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
  • A personal access token (PAT) or OAuth App token; effective scope depends on the token's own permissions
  • Enabling toolsets like actions/issues/pull_requests grants write access — request tokens on a least-privilege basis
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
  • Write toolsets (creating/merging PRs, triggering workflows) can cause accidental changes if the token is overscoped — try a read-only toolset first
  • In hosted mode, credentials travel via the Authorization header — make sure the client-to-api.githubcopilot.com connection is trusted
Supported clientsClaude Code, Cursor, Codex, Claude DesktopClaude Desktop, Claude Code, VS Code, Cursor, Windsurf, JetBrains IDEs, Zed, Amp
Tools115