MemPalace
Open Source MITLocal long-term memory for AI agents
Website
github.com/MemPalace/mempalace GitHub
MemPalace/mempalace Difficulty
●● Medium Last check
2026-04-15 Description
MemPalace is an open-source memory system for AI agents that stores conversations verbatim and retrieves them via semantic search. It runs entirely locally on ChromaDB and SQLite with zero API costs. Integration with Claude Code, ChatGPT, and Cursor works via MCP. On the LongMemEval benchmark, MemPalace reaches 96.6% R@5 (raw) and 100% in hybrid mode.
Preview
Platforms
Linux Windows macOS Docker
Replaces the following proprietary tools
Mem0 → MemPalace
OpenAI Memory → MemPalace
Pinecone → MemPalace
Self-Hosting
MemPalace can be self-hosted on your own infrastructure. Visit the official documentation for installation instructions.
Documentation →Categories
Tags
#memory
#ai-agents
#mcp
#chromadb
#llm
#local-first
#python
Similar Tools
Ollama
Run large language models locally with ease
MIT ● Easy Self-hostable
ChatGPT Midjourney DALL-E
Last: Feb 2026 105.0k
View details →
LocalAI
Local OpenAI-compatible API for various AI models
MIT ●● Medium Self-hostable
ChatGPT Midjourney DALL-E
Last: Feb 2026 26.0k
View details →
Stable Diffusion WebUI
Powerful user interface for AI image generation
AGPL-3.0 ●● Medium Self-hostable
ChatGPT Midjourney DALL-E
Last: Feb 2026 145.0k
View details →