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Shared memory for ChatGPT, Claude and Cursor
These tools' docs name ChatGPT, at least one Claude app (web, Desktop or Code) and Cursor. ChatGPT connects only to remote MCP servers by URL (or a secure tunnel), so check each tool's hosting before you pick.
5 tools · docs checked 2026-11-09
| Tool | Works with (per docs) | Runs | Transport | License |
|---|---|---|---|---|
| MCP Memory Service (doobidoo) Persistent memory for agent pipelines and chat clients: REST API, knowledge graph and autonomous consolidation, with remote MCP over OAuth. | Claude Desktop, Claude Code, Claude (web), ChatGPT, Cursor, Codex, VS Code / Copilot, Windsurf, Gemini CLI, Zed, OpenCode | Local or hosted | stdio, Streamable HTTP | Apache-2.0 |
| Basic Memory Notes-as-memory: your AI reads and writes plain Markdown files you can open in Obsidian, indexed locally. | ChatGPT, Claude Desktop, Claude Code, Cursor, Codex, VS Code / Copilot | Local or hosted | stdio, Streamable HTTP | AGPL-3.0 |
| MemoryPlugin Hosted shared memory across ChatGPT, Claude, Cursor and 20+ AI tools via browser extension, apps and a remote MCP server; paid, with a 7-day trial. | ChatGPT, Claude (web), Claude Desktop, Claude Code, Cursor, Codex | Hosted | Streamable HTTP, SSE | Proprietary |
| memU Personal memory across agents, with CLIs (including a Codex CLI) and hosted or local storage. | ChatGPT, Claude Code, Cursor, Codex, VS Code / Copilot | Local or hosted | Unknown | Unknown |
| Zep Hosted context layer for agents (Zep Cloud). The GitHub repo holds examples and integrations, not the service. | Claude Desktop, ChatGPT, Claude Code, Codex, Cursor | Hosted | Unknown | Apache-2.0 |
Client support is what each vendor's docs say. MemoryStack doesn't test tools. How to share one memory across your bots.