Latest Stable Release

Download MemPalace

Free, local, MIT licensed. The highest-scoring AI memory system ever benchmarked.

v3.1.0 · Latest Python 3.9+ MIT License 26,900+ ★ GitHub 100% Local Zero API Cost
MemPalace v3.1.0
Released April 10, 2026 MIT License 1.03 MB
Download v3.1.0 1.03 MB
mempalace-3.1.0.zip · ZIP Archive · 1.03 MB
Or install via pip:
pip install mempalace
Always fetches latest release
What's new in v3.1.0
  • New MCP server with 19 tools — search, write, knowledge graph, agent diary, navigation
  • New Temporal knowledge graph with SQLite — entity-relationship triples, time-bounded facts
  • New Specialist agents — per-wing AAAK-compressed diaries, scales to 50+ agents
  • New PreCompact hook — emergency memory save before Claude Code context compression
  • New Gemini CLI native integration with auto-configured MCP and save hooks
  • Fixed Windows UnicodeEncodeError on non-ASCII conversation content (#47)
  • Fixed ChromaDB version conflicts — pinned to tested range (#100)
  • Fixed Shell injection vulnerability in auto-save hooks (#110)
  • Improved Multilingual search support for non-English memories (#50)
  • Improved Faster wing+room metadata filtering — 94.8% R@10 retrieval
After installing — first steps
bash 
# Init — auto-detects people & projects, creates wings
mempalace init ~/projects/myapp
# Mine your conversations (Claude, ChatGPT, Slack exports)
mempalace mine ~/chats/ --mode convos
# Mine project files
mempalace mine ~/projects/myapp
# Check palace status
mempalace status
Full Setup Guide →
96.6%
LongMemEval
$0
Forever free
26.9K
GitHub Stars
19
MCP Tools
System Requirements
Python 3.9 or higher
ChromaDB >= 0.4.0
PyYAML >= 6.0
Platforms macOS · Linux · Windows
API Key Not required
Internet Not required
License MIT
Other Install Methods
🤖
Claude Code Plugin
Native marketplace install — auto-configures all 19 MCP tools.
claude plugin marketplace add milla-jovovich/mempalace
💬
MCP Server
ChatGPT, Cursor, Gemini — connect once, 19 tools activated automatically.
claude mcp add mempalace -- python -m mempalace.mcp_server
🦙
Local / Offline Models
Llama, Mistral, any local LLM. 100% offline, 170 tokens of context.
mempalace wake-up > context.txt
🐙
GitHub Source
For contributors and benchmark runners.
git clone https://github.com/milla-jovovich/mempalace.git
Advertisement

Previous Releases

Older versions for compatibility testing. Use the latest release for new installations.

Version Date File Notes Download
v3.0.0
April 6, 2026
mempalace-3.0.0.zip 759 KB
Initial public release. 96.6% LongMemEval raw mode. Palace graph, AAAK dialect, MCP server.
To add a version: upload the .zip to your server, then add an entry to $older_versions[] in download page
Advertisement · 728×90
Advertisement