MemPalace
Open-source AI memory system for storing and organizing conversations and project data locally.
What is MemPalace?
MemPalace is an AI Data Infrastructure tool. Open-source AI memory system for storing and organizing conversations and project data locally. MemPalace is free to use. It is available on macOS and Linux. It is aimed at developers and researchers.
Open-source AI memory system that stores full conversations and project data locally without cloud dependencies. It organizes memories into a hierarchical 'palace' structure, achieves 96.6% recall on LongMemEval benchmarks, and supports MCP integration and works offline with local LLMs.
Built for developers and researchers.
Features
Agent-guided Setup
Direct CLI Setup
Android / Termux Support
Docker Integration
Storage Backends
Native Vector Search
Knowledge Graph
MCP Server
Auto-save Hooks
Requirements
Use cases
- Organize full conversations and project data locally without cloud dependencies
- Achieve 96.6% recall on LongMemEval benchmarks for memory retrieval
- Support MCP integration and work offline with local LLMs
Who it's for
Pros & cons
Pros
- Free to use
- Supports offline operation with local LLMs
Cons
No documented limitations yet.
Pricing
Free.
Developer & API
Open source· MIT· 59.4K stars· 7.6K forks
FAQ
What is MemPalace?
MemPalace is an AI Data Infrastructure tool. Open-source AI memory system for storing and organizing conversations and project data locally. Open-source AI memory system that stores full conversations and project data locally without cloud dependencies. It organizes memories into a hierarchical 'palace' structure, achieves 96.6% recall on LongMemEval benchmarks, and supports MCP integration and works offline with local LLMs.
Is MemPalace free?
Yes, MemPalace is free to use.
How much does MemPalace cost?
MemPalace is free to use.
What platforms does MemPalace support?
MemPalace is available on macOS and Linux.
Who should use MemPalace?
MemPalace is built for developers and researchers. Common uses: organize full conversations and project data locally without cloud dependencies, achieve 96.6% recall on LongMemEval benchmarks for memory retrieval and support MCP integration and work offline with local LLMs.
Is MemPalace open source?
Yes, MemPalace is open source under the MIT license.
What are the best alternatives to MemPalace?
Similar tools on AiByts include Context Data, Resemble AI, Ollama, BackEngine MCP and GitHits beta 0.9.
Details are compiled from MemPalace's website and public sources, last verified Oct 3, 2026. Features and pricing change — confirm on the official site before you buy.
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