MUON: An Open-Source Shared Brain for Parallel Coding Agents

Virtual_Gift_5327 · reddit · 2026-08-19

A research engineer at a YC startup shared MUON (local app + MCP + CLI) on Reddit. The problem: when running Claude Code, Cursor, Codex, and OpenCode in parallel on separate features, agents have no awareness of each other and confuse mutual work even in separate worktrees.

MUON's core idea is a coordination graph — shared memory and context so agents actually understand what the others (and the human) already decided — plus orchestration for multi-feature execution workflows. The author dogfoods it: using MUON to build MUON.

Licensed under Polyform Noncommercial, with an extra grant allowing personal use including day-job work on your own machines; team-wide enterprise use requires a commercial license.

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