Memory & Knowledge MCP Servers for ChatGPT

cite-citadel — an LLM-maintained, fully-cited personal wiki in the Open Knowledge Format, fed by a coding-agent CLI you already have logged

An MCP server for generating mind maps and relationship graphs.

MCP server for intelligent context continuation across AI sessions

MCP server for CRUSH the Memory — access your voice notes, transcripts, and audio from AI tools

D.E.R.E.K Memory MCP Server - Share AI specs via Model Context Protocol

MCP Server for Dify Knowledge Base integration

Memory Control Protocol - AI memory and thinking management system

MCP server for persistent, verifiable Working Memory on OriginTrail DKG v10

Persistent project memory for Claude Code sessions

Give any AI agent persistent memory. MCP-native, bring-your-own-LLM (any model via OpenRouter), graph-RAG.

Connect any MCP host to your Fathom memory lake

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

Enhanced Notion MCP server with better markdown conversion and composite tools

Model Context Protocol server for jrnl CLI journal application

MCP-powered Knowledge Graph system for dynamically constructing, querying, and updating graph databases with Neo4j/Memgraph

MCP server for logging learning prompts with LLMs

Handles 10M+ token contexts with chunking, sub-queries, and local Ollama inference.

Team engineering memory for AI coding assistants. 47 MCP tools, pgvector semantic search.

Persistent semantic memory for AI agents with knowledge graphs and Intelligence Packs.

SQLite WAL memory server for thread-safe concurrent access in multi-session AI agent environments; drop-in replacement for the reference

Predict context rot, sign every agent write, tier reads. Markdown-native, 100% local.