Mimir is on GitHub as Apache-2.0 agent memory you can self-host: episodic, semantic, and procedural layers, a six-provider retrieval orchestrator, and MCP plus REST surfaces for Cursor, Claude Code, and Codex.
Current release: v0.1.0-rc4. Published benchmarks include ranked recall, token budgets, full debug traces, and a ~86% composite on the benchmark framework.
Status: Live / Released.