companion-mcp-server
Click on "Install Server".
Wait a few minutes for the server to deploy. Once ready, it will show a "Started" state.
In the chat, type
@followed by the MCP server name and your instructions, e.g., "@companion-mcp-serverlist all connections"
That's it! The server will respond to your query, and you can continue using it as needed.
Here is a step-by-step guide with screenshots.
Companion MCP Server
An MCP (Model Context Protocol) server for Bitfocus Companion, enabling AI assistants to control buttons, triggers, variables, and connections.
Features
Connections: List connections and their action/feedback definitions
Variables: List, search, get values, create and set custom variables
Pages & Buttons: Create, configure, and press buttons with actions and feedbacks
Triggers: Create, clone, update, and batch-update triggers with full support for events, conditions, actions, and collections
Related MCP server: Companion MCP
Installation
No installation required - run directly with npx:
npx companion-mcp-server [companion-url]Or install globally:
npm install -g companion-mcp-serverConfiguration
Claude Desktop
Add to your Claude Desktop configuration:
macOS: ~/Library/Application Support/Claude/claude_desktop_config.json
Windows: %APPDATA%\Claude\claude_desktop_config.json
{
"mcpServers": {
"companion": {
"command": "npx",
"args": ["-y", "companion-mcp-server", "http://localhost:8889"]
}
}
}Claude Code
Add to your Claude Code MCP settings (~/.claude/settings.json):
{
"mcpServers": {
"companion": {
"command": "npx",
"args": ["-y", "companion-mcp-server", "http://localhost:8889"]
}
}
}Or add to a project-specific .claude/settings.json in your project root.
Cursor
Add to Cursor's MCP configuration (~/.cursor/mcp.json):
{
"mcpServers": {
"companion": {
"command": "npx",
"args": ["-y", "companion-mcp-server", "http://localhost:8889"]
}
}
}Windsurf
Add to Windsurf's MCP configuration (~/.codeium/windsurf/mcp_config.json):
{
"mcpServers": {
"companion": {
"command": "npx",
"args": ["-y", "companion-mcp-server", "http://localhost:8889"]
}
}
}Custom Companion URL
Replace http://localhost:8889 with your Companion instance URL if it's running on a different host or port:
"args": ["-y", "companion-mcp-server", "http://192.168.1.100:8889"]Environment Variable
You can also set the URL via environment variable:
{
"mcpServers": {
"companion": {
"command": "npx",
"args": ["-y", "companion-mcp-server"],
"env": {
"COMPANION_URL": "http://localhost:8889"
}
}
}
}Available Tools
Variables
Tool | Description |
| List all variable definitions grouped by connection |
| Search variables by name/label pattern |
| Get a variable's current value |
| Create a new custom variable |
| Set a custom variable's value |
Connections
Tool | Description |
| List all configured connections with IDs and status |
| Get action/feedback definitions for a connection |
Pages & Buttons
Tool | Description |
| List all pages with their button grids |
| Create new page(s) at a position |
| Delete a page and all its controls |
| Rename a page |
| Move a page to a different position |
| Reset a page to defaults |
| Get a button's full configuration |
| Create a new button at a location |
| Delete a button |
| Update button style, actions, and feedbacks |
| Simulate button press/release |
Triggers
Tool | Description |
| List all triggers with collection info |
| List all trigger collections |
| Get a trigger's full configuration |
| Create a trigger with optional inline config |
| Clone an existing trigger with option overrides |
| Update a trigger with multiple operations |
| Bulk update multiple triggers |
| Create a trigger collection |
| Delete a trigger |
Resources
The server exposes MCP resources for quick context:
Resource | Description |
| Usage guide for the MCP tools |
| Summary of configured connections |
| Available button presets by connection |
Examples
Create a button that switches to camera 1
1. Use list_connections to find your ATEM connection ID
2. Use list_connection_definitions with that ID to find the "program" action
3. Use create_button to create a button at page 1, row 0, column 0
4. Use update_button with set_style (text: "CAM 1") and add_action (the program action with input: 1)Clone triggers for multiple cameras
1. Use get_trigger to inspect an existing camera trigger
2. Use clone_trigger with the source trigger ID, new name, and optionOverrides to change the camera number
3. Repeat for each camera, or use batch_update_triggers for bulk operationsSearch for tally variables
Use search_variables with query "tally" to find all tally-related variables across connectionsDevelopment
# Clone the repo
git clone https://github.com/yannisgu/companion-mcp-server.git
cd companion-mcp-server
# Install dependencies
yarn install
# Run in development mode
yarn dev
# Build for production
yarn build:tsRequirements
Node.js 18+
A running Bitfocus Companion instance
License
MIT
This server cannot be installed
Maintenance
Resources
Unclaimed servers have limited discoverability.
Looking for Admin?
If you are the server author, to access and configure the admin panel.
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