"memory" matching MCP connectors:

Free hosted MCP server that connects ChatGPT and Claude (claude.ai, Claude Code) to multiple Gmail, Google Calendar, Google Drive (read-only) and Google Contacts accounts, Slack workspaces and Notion through one connection URL. Search, read and act across every connected account at once, with a memory shared across your AI assistants. OAuth sign-in. Outlook / Microsoft 365 are not supported.

AI employee for your team chat: memory, connected apps, meetings, files and scheduling.

Needt is the place you keep everything you are working on — tasks, calendar, docs, habits and goals — with a scheduling engine that plans your day. The Needt MCP server lets Claude, ChatGPT, Codex, Cursor and any MCP client read and update your own Needt data after you sign in with OAuth: add and schedule tasks, check your day, write docs, log habits, track goals, and keep a memory of your preferences that follows you between chats. The Needt plugin adds skills on top: a business partner, a prom

Your planner in every AI chat: tasks, calendar, docs, habits, goals and memory, over MCP.

Your training, sleep, recovery and fuel for the AI you use: it reads your week and plans the next.

Chipp: a project's memory, circles, and scheduled tasks

Connect agents to Lycatra knowledge, memory, collaboration, schedules, notifications, and teams.

A planner that keeps itself, with memory across AI agents. Nuto gives AI agents one schedule and shared long-term memory to recall context, record decisions and progress, and schedule follow-ups; connect through remote MCP with browser OAuth. Free to start.

Shared memory for teams that work with AI agents: meetings, email and calendar in one brain.

Mochii work graph: projects, tasks, meetings. Stiki OAuth. Not Nexus memory.