obs-mcp

OBS MCP Server

An MCP server for OBS Studio that provides tools to control OBS via the OBS WebSocket protocol.

Features

• Connect to OBS WebSocket server
• Control OBS via MCP tools
• Provides tools for:
  • General operations
  • Scene management
  • Source control
  • Scene item manipulation
  • Streaming and recording
  • Transitions

Usage

1. Make sure OBS Studio is running with WebSocket server enabled (Tools > WebSocket Server Settings). Note the password for the WS.
2. Set the WebSocket password in environment variable (if needed):

export OBS_WEBSOCKET_PASSWORD="your_password_here"

3. Add the MCP server to Claude desktop with the MCP server settings:

{
  "mcpServers": {
    "obs": {
      "command": "npx",
      "args": ["-y", "obs-mcp@latest"],
      "env": {
        "OBS_WEBSOCKET_PASSWORD": "<password_from_obs>"
      }
    }
  }
}

4. Use Claude to control your OBS!

Development

If you want to run the server locally using the code in this git repo, you can do the following:

npm run build
npm run start

Then configure Claude desktop:

{
  "mcpServers": {
    "obs": {
      "command": "node",
      "args": [
        "<obs-mcp_root>/build/index.js"
      ],
      "env": {
        "OBS_WEBSOCKET_PASSWORD": "<password_from_obs>"
      }
    }
  }
}

Available Tools

The server provides tools organized by category:

• General tools: Version info, stats, hotkeys, studio mode
• Scene tools: List scenes, switch scenes, create/remove scenes
• Source tools: Manage sources, settings, audio levels, mute/unmute
• Scene item tools: Manage items in scenes (position, visibility, etc.)
• Streaming tools: Start/stop streaming, recording, virtual camera
• Transition tools: Set transitions, durations, trigger transitions

Environment Variables

• OBS_WEBSOCKET_URL: WebSocket URL (default: ws://localhost:4455)
• OBS_WEBSOCKET_PASSWORD: Password for authenticating with OBS WebSocket (if required)

Requirements

• Node.js 16+
• OBS Studio 31+ with WebSocket server enabled
• Claude desktop

License

See the LICENSE file for details.