Peer-to-peer messaging layer for independent LLM sessions (MCP-based) — looking for feedback on the design

About This Tutorial

Been building an architecture for coordinating multiple independent LLM sessions and wanted to get this community's read on the approach. The problem: when you're orchestrating multiple sessions, the usual answer is subagents, but subagents are spawned children of one parent process: ephemeral, same model, and they can't reach anything outside that process. I wanted persistent, independent sessions that could message each other peer-to-peer. The approach: each session gets an inbox and an address.