M3 Memory

M3 Memory is an open-source, production-ready, bitemporal memory layer and MCP (Model Context Protocol) server designed for AI coding agents. It serves as a persistent, structured, local-first, and privacy-focused memory infrastructure, allowing multiple agents to share, evolve, and maintain a consistent knowledge base across time. M3 supports major coding agents and frameworks, offers offline and cloud capabilities, bitemporal history, automatic contradiction handling, explainable retrieval, and integrates with agents via plug-and-play setup. It is ideal for developers, researchers, and teams building or using autonomous or semi-autonomous AI agents that require reliable, consistent, and explainable long-term memory.