New open-source tool just dropped: agent-bridge-mcp

Lets Claude Code and Codex talk to each other directly on your machine. No API keys, no extra model calls. Just plain language agent-to-agent comms.

Key details:
→ MIT licensed
→ Uses your existing logged-in clients
→ Messages clearly labeled as cross-agent (can't approve actions)
→ NOT a security wall - same OS account means message text visible in process args
→ Built on undocumented internals, so updates might break it
→ Needs Linux/WSL 2 + Node 24+

This is early-stage infra for multi-agent workflows. If you're building with AI agents, worth checking out.