A self-hosted MCP relay lets coding agents message each other through SQLite
LumiereVenturesAI · reddit · 2026-07-22
An indie developer built bot-relay-mcp, a self-hosted MCP relay that lets coding agents message each other locally.
- Agents register themselves, discover peers, and exchange tasks or messages through a single SQLite file on the user’s machine.
- It is LLM-agnostic and CLI-agnostic, so it can work with tools like Claude Code or Codex as long as they speak MCP.
- The system avoids polling by waking agents on new mail, either through a VS Code extension called Tether or a terminal watch command.
- The author positions it as a rough early release to find edge cases, not as a polished product.
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