three.ws Brain

local MCP server

Installation

Terminal

claude mcp add io-github-nirholas-brain-mcp -e THREE_WS_BASE=... -e THREE_WS_API_KEY=... -e THREE_WS_TIMEOUT_MS=... -- npx -y @three-ws/brain-mcp

Run in your project folder. Add --scope user to use it everywhere.

Claude Desktop, Cursor & other clients

Add to claude_desktop_config.json or .cursor/mcp.json.

{
  "mcpServers": {
    "io-github-nirholas-brain-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "@three-ws/brain-mcp"
      ],
      "env": {
        "THREE_WS_BASE": "...",
        "THREE_WS_API_KEY": "...",
        "THREE_WS_TIMEOUT_MS": "..."
      }
    }
  }
}

Fill in the environment variables with your own credentials.

Summary

List LLM providers and run chat completions through the three.ws multi-provider router.

Questions

three.ws Brain is a local MCP server distributed as the npm package @three-ws/brain-mcp.

Run: claude mcp add io-github-nirholas-brain-mcp -e THREE_WS_BASE=... -e THREE_WS_API_KEY=... -e THREE_WS_TIMEOUT_MS=... -- npx -y @three-ws/brain-mcp

Run: codex mcp add io-github-nirholas-brain-mcp --env THREE_WS_BASE=... --env THREE_WS_API_KEY=... --env THREE_WS_TIMEOUT_MS=... -- npx -y @three-ws/brain-mcp

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