Memory & Knowledge MCP Servers

Heartwood Memory — governed AI agent memory; signed provenance. BUSL-1.1; not OSI open source.

Ultra-powerful memory system for AI coding tools — CLI-first with MCP compatibility, auto-capture hooks, AI compression, and semantic search

Logseq Model Context Protocol Agent

Agent-agnostic memory backend that preserves continuity between humans and AI over time.

Persistent memory and virtual filesystem MCP server for AI agents.

Markdown-first long-term memory for AI agents. Hybrid BM25 + vector search, runs locally.

Shared, persistent memory for AI agents, with semantic recall and live updates.

Local-first, source-cited memory for AI agents with proposal review, failure memory, and MCP tools.

MCP server for NotebookLM API with session support and human-like behavior (Traditional Chinese Version)

Zero-config AI project memory with live file watching and MCP integration

Standalone MCP server for safely reading, writing, searching, and managing Obsidian vaults directly through the filesystem.

Nous — the Context Graph for AI Agents.

Local-first MCP server giving AI agents contextual knowledge about the people in your life

MCP server for semantic memory storage using local Postgres with pgvector

The markdown workspace your AI can read, search, and suggest edits in — every change signed.

Chinese-first AI Agent technical knowledge memory MCP Server

Persistent episodic memory for AI coding: capture, retrieve, brief, dream cycle, cross-project.

Shared memory MCP server for AI coding agents — local by default, team-shared via threadctx.dev.

MCP server for Trilium Notes - Provides LLM access to your notes

Neo4j-native DIKW memory for Claude Code — knowledge that compounds across sessions

Model Context Protocol server for accessing Wolai workspace content.