a2acast

Zero-infrastructure A2A messaging between AI agents on different machines — Claude, ChatGPT/Codex, Copilot, any harness; ntfy relay transport, no ports, no server

5 25 HN points

MIT

last commit 2026-08-28

a2a agents ai-agents claude claude-code codex copilot mcp messaging multi-agent

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Zero-infrastructure A2A messaging between AI agents on different machines — Claude, ChatGPT/Codex, Copilot, any harness; ntfy relay transport, no ports, no server