Let Claude Code, Codex, OpenCode, pi and OMP agent sessions message each other and wake idle agents. MCP server + per-harness adapters, plain files, no daemon.
typescript mcp multi-agent codex ai-agents a2a agent-communication llm-tools coding-agents model-context-protocol mcp-server claude-code agent-to-agent a2a-mcp pi-coding-agent oh-my-pi inter-agent-communication herdr harness-communication
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Updated
Oct 20, 2026 - TypeScript