MCP Servers

obs-mcp-server

An MCP (Model Context Protocol) server for controlling OBS Studio via the built-in obs-websocket plugin. Lets Claude control your scenes, recording, streaming, audio, and more.

README

obs-mcp-server

An MCP (Model Context Protocol) server for controlling OBS Studio via the built-in obs-websocket plugin. Lets Claude control your scenes, recording, streaming, audio, and more.

Requirements

OBS Studio 28 or later (obs-websocket is built in)
Node.js 18 or later

OBS Setup

Open OBS Studio
Go to Tools → WebSocket Server Settings
Check Enable WebSocket server
Set a password (recommended)
Note the port (default: 4455)

Installation

npm install

Create a .env file in the project root:

OBS_WS_URL=ws://localhost:4455
OBS_WS_PASSWORD=your_password_here

Claude Desktop Config

Add the following to your claude_desktop_config.json:

{
  "mcpServers": {
    "obs": {
      "command": "node",
      "args": ["C:\\path\\to\\obs-mcp-server\\obs-mcp-server.js"]
    }
  }
}

Or use npx (no cloning required):

{
  "mcpServers": {
    "obs": {
      "command": "npx",
      "args": ["-y", "obs-mcp-server"],
      "env": {
        "OBS_WS_PASSWORD": "your_password_here"
      }
    }
  }
}

Available Tools

Status & Scenes

Tool	Description
`get_status`	Current scene, streaming state, recording state + timecodes
`list_scenes`	List all scenes in the active collection
`set_scene`	Switch to a named scene

Recording & Streaming

Tool	Description
`start_recording`	Start recording
`stop_recording`	Stop recording (returns output file path)
`toggle_recording`	Toggle recording on/off
`start_streaming`	Start streaming
`stop_streaming`	Stop streaming

Sources

Tool	Description
`list_sources`	List all sources in a scene
`set_source_visibility`	Show or hide a source

Audio

Tool	Description
`list_audio_inputs`	List all audio inputs with mute/volume state
`set_mute`	Mute or unmute an audio input
`toggle_mute`	Toggle mute on an audio input
`set_volume`	Set volume (0.0–1.0) on an audio input

Canvas

Tool	Description
`set_canvas_resolution`	Set base/output resolution and FPS (global per collection)

Scene Management

Tool	Description
`create_scene`	Create a new empty scene
`remove_scene`	Delete a scene
`rename_scene`	Rename a scene

Scene Collections

Tool	Description
`list_scene_collections`	List all collections, show active
`set_scene_collection`	Switch to a different collection
`create_scene_collection`	Create a new scene collection

Profiles

Tool	Description
`list_profiles`	List all profiles, show active
`set_profile`	Switch to a different profile
`create_profile`	Create a new profile
`remove_profile`	Delete a profile

Misc

Tool	Description
`save_screenshot`	Save a screenshot of the current output to disk

Notes

Canvas resolution is a global OBS setting — it applies to all scenes in the current collection. Use separate scene collections for different aspect ratios (e.g. 16:9 vs 9:16 for YouTube Shorts).
Audio input kinds default to Windows (wasapi_*). On macOS, update the list_audio_inputs handler to use coreaudio_input_capture / coreaudio_output_capture.

License

MIT

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