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mcp/harbor
Cursor

Big Brain for Cursor

io.github.jzhao234/big-brain

Plain-markdown second brain for you and your AI: notes, projects, tasks, search, links.

client:Cursor transport:stdio runtime:npm

Install Big Brain 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": {
    "big-brain": {
      "type": "stdio",
      "command": "npx",
      "args": [
        "-y",
        "@jzhao234/big-brain"
      ],
      "env": {
        "BIG_BRAIN_VAULT": "<BIG_BRAIN_VAULT>"
      }
    }
  }
}

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

Big Brain in other clients

Big Brain MCP server