Starstruk Logo MarkStarstruk

v3.0.0

MemPalace/mempalacev3.0.0Apr 6, 2026by bensig

AI Summary

Initial PyPI release - the highest-scoring AI memory system ever benchmarked at 96.6% LongMemEval R@5 (100% with Haiku rerank). Features the palace architecture with wings, rooms, halls, tunnels, closets, and drawers.

Key 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
  • AAAK compression - 30x lossless shorthand dialect for any LLM
  • Knowledge graph with temporal entity-relationship triples in SQLite
  • Specialist agents with per-agent wings and diaries
  • MCP server with 19 tools
  • Auto-save hooks for Claude Code
  • Split command for transcript file handling
  • Fully local - no API key, no cloud, no subscription

New Features

  • mempalace split command for transcript splitting
  • Specialist agent system with per-agent diaries
  • Improved entity detection during init
  • Room detection from folder structure
  • Ruff-clean codebase
  • AAAK compression dialect
  • Knowledge graph in SQLite
  • MCP server integration
  • Auto-save hooks

Full Release Notes

## MemPalace v3.0.0

The highest-scoring AI memory system ever benchmarked. And it's free.

### Install

```bash
pip install mempalace
```

**PyPI:** 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 split` command 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