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mcp/harbor
Claude Desktop

thebrain for Claude Desktop

io.github.ybookoff/thebrain

MCP server for TheBrain 15: search by meaning, graph traversal and batch writes over the local API

client:Claude Desktop transport:stdio runtime:npm

Install thebrain in Claude Desktop

~/Library/Application Support/Claude/claude_desktop_config.json · windows: %APPDATA%\Claude\claude_desktop_config.json

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

{
  "mcpServers": {
    "thebrain": {
      "command": "npx",
      "args": [
        "-y",
        "thebrain-mcp-server"
      ],
      "env": {
        "THEBRAIN_API_KEY": "<THEBRAIN_API_KEY>",
        "THEBRAIN_BASE_URL": "<THEBRAIN_BASE_URL>",
        "THEBRAIN_DATA_DIR": "<THEBRAIN_DATA_DIR>",
        "THEBRAIN_ALLOW_DESTRUCTIVE": "<THEBRAIN_ALLOW_DESTRUCTIVE>",
        "THEBRAIN_EMBEDDING_MODEL": "<THEBRAIN_EMBEDDING_MODEL>",
        "THEBRAIN_EMBEDDING_DTYPE": "<THEBRAIN_EMBEDDING_DTYPE>",
        "THEBRAIN_TIMEOUT_MS": "<THEBRAIN_TIMEOUT_MS>"
      }
    }
  }
}

Settings → Developer → Edit Config opens this file. Restart the app after saving. Claude Desktop docs

thebrain in other clients

thebrain MCP server