Cipher is an open-source memory layer framework designed for programming AI agents. It integrates with various IDEs and AI coding assistants through the MCP protocol, providing core functions such as automatic memory generation, team memory sharing, and dual-system memory management.

Unibase membase is a decentralized memory layer designed for AI agents, achieving seamless integration with the decentralized storage protocol through the membase mcp server and supporting the upload and download of memory data.

Context Sync is an open-source AI memory layer that provides persistent memory across sessions and projects for development tools, supports multiple platforms such as VS Code, Cursor, and Claude Desktop, and enables AI context synchronization through the MCP protocol.

ChatDB is an MCP server project used to record all conversations with Cursor and provide a simpler memory layer for GPT.

Linggen is a locally-first RAG and MCP memory layer that provides cross-project shared memory, code repository navigation, and multi-tool connection capabilities for AI programming assistants. All data is processed locally by default.

An MCP server based on the Qdrant vector search engine, providing semantic memory layer functions and supporting information storage and retrieval.