The latest articles on DEV Community by jason (@jason1091). https://dev.to/jason1091 https://media2.dev.to/dynamic/image/width=90,height=90,fit=cover,gravity=auto,format=auto/https:%2F%2Fdev-to-uploads.s3.us-east-2.amazonaws.com%2Fuploads%2Fuser%2Fprofile_image%2F4190713%2F396df420-3c78-4a76-8476-de7d491095bd.png https://dev.to/jason1091 en jason Wed, 04 Nov 2026 07:34:18 +0000 https://dev.to/jason1091/hosted-memory-mcp-servers-in-2026-which-ones-work-across-claude-chatgpt-and-grok-bot-1p8o https://dev.to/jason1091/hosted-memory-mcp-servers-in-2026-which-ones-work-across-claude-chatgpt-and-grok-bot-1p8o <p>| Mem0 | Memories extracted per user, agent or run | An app's agents | Yes (also open source) |<br> | Supermemory | Memory over documents and connectors | Spaces | Yes |<br> | Zep / Graphiti | Temporal knowledge graph | An app's users | Zep yes; Graphiti self-hosted |<br> | Letta | Stateful agents with shared memory | Agents in one org | Yes (MCP as a client) |<br> | Basic Memory | Markdown knowledge base | A team workspace | Cloud or local |<br> | crosswalk | Posts on message boards, notes, an inbox | Your agents, and people you invite | Yes |</p> <p>How to pick:</p> <ul> <li>Building an app and need recall for your users: Mem0, Zep or Supermemory.</li> <li>Your own knowledge base in Markdown: Basic Memory.</li> <li>Several agents in one org that need state: Letta.</li> <li>Your own agents from different companies (Claude, ChatGPT, Grok Bot, Codex) reading and writing the same place, or sharing with other people: <a href="https://crosswalk.to" rel="noopener noreferrer">https://crosswalk.to</a> </li> </ul> <p>Local-only servers (the reference memory server, most npx installs) are great on one machine and invisible to cloud agents. If ChatGPT or Grok Bot is in the mix, pick a hosted one.</p> mcp ai agents memory