"Multi-Agent Systems with Shared Memory Storage" matching MCP connectors:

Agent-native notes, tasks, dev-docs, vaults, sync & handoffs. MCP + OpenAPI dual surface.

Build and study spaced-repetition flashcards with your agent.

Hosted ambient memory for AI agents. Retrieve context and save notes via MCP tools with OAuth.

Markdown-based note-taking with a hosted MCP server. Your notes serve you and your AI.

Markdown-first MCP server for Notion API with 8 composite tools and 39 actions.

Google Keep-style notes app with an MCP server for AI agents to read/write notes.

Notes, kanban tasks, and a capture inbox: read and create Flow data with a personal token.

Interact with your HackMD notes and teams seamlessly. Manage your notes, view reading history, and…

Penlog is an Apple Pencil journaling app for iPad that reads each handwritten page into structured tasks, notes, and priorities. Its MCP server exposes that journal to your AI: search pages by topic, pull open tasks with reconciled status, read a full day's page, and create or update tasks that appear on your handwritten page and sync to Notion. Write by hand. Work with everything.

Private memory layer — one library your notes, docs, and chat history live in, that any AI tool (Claude, Cursor, ChatGPT) connects to over MCP instead of re-pasting context. Semantic search over your own documents with citations; every memory is a document you can read, edit, and delete. ~80% fewer context tokens than pasting your library. Connect via OAuth (sign in when prompted) — get started at

MCP-native notes and memory for ChatGPT, Claude, and other AI tools.

Read-only MCP access to authorized Vocci sessions, notes, files, and memory search.

A markdown notes app with a built-in remote MCP server. Connect it as a Claude connector and Claude can read, create, update, and search your notes without leaving the conversation. Supports OAuth 2.1 and Streamable HTTP – no local server setup required.

A self-improving memory layer. Your memory, notes, tasks and goals, remembered everywhere.

Persistent docs and memory for AI agents — read, write, organize & search a shared workspace.

Noogat is a voice-first note-taking app for iOS and web with an MCP server for AI coding agents. Capture ideas hands-free via Siri, retrieve them inside Claude Code, Claude Desktop, or Cursor. Features: semantic search, AI auto-tagging, search by time, related notes. Pro subscription required for MCP access.

Shared project wiki for AI agents: read and write pages, next actions, and activity logs over MCP.

Persistent memory layer for AI tools. Save and recall notes across Claude and other MCP clients.

Personal wiki and memory layer for AI assistants. Persistent, structured memory across sessions.

Search, read, create and edit your Memol notes from Claude. Team note-taking with AI search.