SLM Mesh is an open-source MCP server that gives AI coding agents peer-to-peer communication. SLM Mesh fixes this with 8 MCP tools: - Peer discovery (scoped by machine, directory, or git repo) - Direct messaging + broadcast - Shared key-value state - File locking with auto-expire - Event bus for real-time coordination Works with Claude Code, Cursor, Aider, Windsurf, Codex, VS Code — any MCP-compatible agent. npm install -g slm-mesh