Memory & Knowledge MCP Servers for ChatGPT

Persistent project memory for Claude Code sessions

Universal AI memory layer — MCP server with persistent, cross-tool memory for Claude Code, Cursor, Windsurf, and more

Lightweight SQLite-based persistent memory MCP server for AI coding agents. A minimal TypeScript implementation — not as heavy as

MCP server providing vector memory, drift detection, model routing, skills discovery, session management, and codebase indexing for

A fact store for AI agents, on Postgres: registered attributes, every write citing its evidence.

Connect any MCP host to your Fathom memory lake

The MCP server that gives your Obsidian vault wings — fast, context-efficient, stdio, multi-vault, zero network

MCP server for semantic graph memory from markdown files

Headlo MCP server — use standalone or extend with your own tools and middleware

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

Portable human-AI context protocol reference tooling.

Local-first personal knowledge base. Cited answers from your vault via vector + graph retrieval.

CLI for indexing markdown files and serving MCP knowledge tools

A persistent, local-first semantic memory MCP server for IDEs, featuring dual SQLite/PostgreSQL support.

MCP server for logging learning prompts with LLMs

Persistent memory for Claude Code — offline, single-file, hybrid search.

One shared, persistent memory across AI agents and systems, with semantic recall and live updates.

MCP server for memory management using Qdrant vector database

mindpad mcp server. Save notes to your mindpad account directly from AI assistants.

Persistent memory for AI coding agents. Remembers what matters, forgets what doesn't.

MCP-server that implements memory stored in MongoDB