Memory & Knowledge MCP Servers for ChatGPT

Local-first memory for AI agents that reaches backward to find a failure's root cause.

Knowledge Graphs to enable memory persistence, knowledge evolution, explainable interaction.

Public broadcast and durable shared memory for AI systems and agents using signed Events.

Event-sourced knowledge graph memory for AI coding agents with semantic search

Project context for Cursor/Claude via stdio MCP. Key: www.neither.online/start

SuperNotes cards get, search and create.

Undisk MCP: safe file memory for AI agents.

Persistent, verified, cross-session memory for AI agents. 26 tools. SQLite + sync.

Persistent memory + decision tracking for Claude across sessions. Local SQLite, no cloud.

Read-only semantic search MCP server for Obsidian vaults using local Ollama embeddings.

Official MCP server for Roam Research — connect Claude and other AI assistants to your graph

Agent-first note-taking application with MCP server

MCP server for Dewey document search and research

MCP server for Noverload - Access saved content in AI tools with advanced search, synthesis, and token management

Persistent memory for Claude Code — never lose context between sessions

MCP server for persistent, searchable memory for AI agents.

The notebook your AI writes to. Save, organize, search and read notes in your Notiero notebook.

Rust MCP server for Obsidian vaults — read, write, search notes via Model Context Protocol. Works with Claude, Cursor, and any MCP client.

Persistent memory + vibe-loop engine for AI agents. Single Go binary, SQLite-backed, stdio MCP.

Memory the human governs, on their own machine, plus what other coding agents here wrote.

Skill memory for coding agents: learn, recall, reinforce, decay. Local SQLite, no API key.