MemPalace v3.0.0
The highest-scoring AI memory system ever benchmarked. And it's free.
Install
pip install mempalacePyPI: https://pypi.org/project/mempalace/
Highlights
- 96.6% LongMemEval R@5 — highest published score with zero API calls
- 100% LongMemEval R@5 — with optional Haiku rerank
- Palace architecture — wings, rooms, halls, tunnels, closets, drawers — +34% retrieval from structure alone
- AAAK compression — 30x lossless shorthand dialect, works with any LLM (Claude, GPT, Gemini, Llama, Mistral)
- Knowledge graph — temporal entity-relationship triples in SQLite (local, free)
- Specialist agents — each agent gets its own wing and diary in the palace
- MCP server — 19 tools, auto-teaches AAAK to your AI
- Auto-save hooks — for Claude Code (save every N messages + pre-compaction emergency save)
- Split command — break concatenated mega-transcripts into per-session files before mining
- Fully local — no API key, no cloud, no subscription. Everything on your machine.
What's New in v3
mempalace splitcommand for splitting concatenated transcript files- Specialist agent system with per-agent diaries
- Improved entity detection during
init - Room detection from folder structure
- Ruff-clean codebase
Requirements
- Python 3.9+
- No API key required