Memory & Knowledge MCP Servers

Local deterministic BM25 memory for AI agents. Offline-first, no API key, SHA-256 shards, stdio.

Persistent memory tools for Claude Desktop. Search your vault or Obsidian notes mid-conversation.

Persistent memory for Claude via weighted, interconnected knowledge nodes.

Self-hosted memory for agent teams. Bi-temporal replay, deterministic retrieval, audit log.

Audited memory over MCP: an append-only fact ledger plus verifiable invariants I1-I5.

Causari MCP Server — Causal Knowledge Graph for AI agents

Cherry Studio knowledge base MCP service - one-click invocation via npx.

MCP server for searching and surfacing Claude Code conversation history

Local-only MCP server for source-attributed Markdown memory and documentation retrieval.

Feishu Wiki MCP Server - a Feishu knowledge base management tool.

Session-scoped knowledge graph engine for AI chat context compression

CLI for Engram — persistent memory for AI agents

MCP memory server using SQLite + FTS5 + sqlite-vec

Long-term memory for AI coding agents, stored as a tree of plain local files.

Local deterministic project memory for AI agents with context packs, gates and checkpoints.

Light MCP server for Obsidian vault — no plugins, no open app required

Local-first MCP sidecar for Markdown artifacts, review intents, and supervised knowledge growth.

Local FAISS vector database for RAG with document ingestion, semantic search, and MCP prompts.

Persistent cross-project memory for Cursor and Claude Code using local semantic search.

Unified knowledge management MCP server with document intelligence and research workflows

MCP server for Mem0 agent memory management with multi-backend support