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mcp/harbor
Cursor

r3 for Cursor

io.github.n3wth/r3

Local Redis memory MCP for AI apps with hybrid caching and optional Mem0 cloud backup.

client:Cursor transport:stdio runtime:npm

Install r3 in Cursor

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

Held in this page only — never stored, logged, or sent anywhere but back to your screen. 

{
  "mcpServers": {
    "r3": {
      "type": "stdio",
      "command": "npx",
      "args": [
        "-y",
        "@n3wth/r3"
      ],
      "env": {
        "MEM0_API_KEY": "<MEM0_API_KEY>",
        "REDIS_URL": "<REDIS_URL>"
      }
    }
  }
}

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

r3 in other clients

r3 MCP server