I got tired of copy pasting between Claude, Codex and Antigravity, so I made them talk to each other. No API keys, just the subscriptions you already pay for.
View on GitHub ↗Let Claude Code, Codex and Antigravity call each other, so you never copy and paste between them. Everything runs on the subscriptions you already have (Claude, ChatGPT, Google). No API keys, no dependencies, just Node.
From To How --------- Claude Codex bin/ask-codex.mjs (Claude runs it from its shell) Claude Antigravity bin/ask-agy.mjs Claude Codex image generation bin/codex-image.mjs Claude Antigravity image generation bin/agy-image.mjs Codex Claude MCP server server/claude-mcp.mjs: tools askclaude, askclaudewrite Antigravity Claude the same MCP server, registered with agy mcp add
Everything is read-only by default. Each agent only changes files when you ask for that explicitly.
Not affiliated with Anthropic, OpenAI or Google. MIT licensed.
- Node.js 18 or newer - The claude CLI, installed and signed in - At least one of: the codex CLI, or the Antigravity CLI agy (installed and signed in)
Clone the repo somewhere permanent, then run the installer from inside it:
1. Checks that claude, codex and agy are installed. It skips whichever of Codex and Antigravity you don't have. 2. Adds a section to ~/.claude/CLAUDE.md that teaches Claude how to use Codex and Antigravity. 3. Registers the Claude MCP server with Codex (~/.codex/config.toml). It also offers to register it with Antigravity (agy mcp add).
When it's done, restart Codex and Antigravity. Keep the folder where it is, because the configs point at it.
From the project README.
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