JustOnce for Cursor

ai.justonce/memory

Persistent memory for AI assistants — one shared, OAuth-secured vault for every MCP client.

client:Cursor transport:streamable-http

Install JustOnce in Cursor

~/.cursor/mcp.json · windows: %USERPROFILE%\.cursor\mcp.json

{
  "mcpServers": {
    "memory": {
      "url": "https://mcp.justonce.ai"
    }
  }
}

Use .cursor/mcp.json in a project root instead to scope it to that project. Cursor merges both. Cursor docs