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One-click setup

Use the “Add to VS Code” action to add the Trunk MCP server

Add trunk MCP server to VS Code

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Command Palette setup

Run CMD+Shift+P to open the Command Palette and choose MCP: Add Server. Choose HTTP and input https://mcp.trunk.io/mcp. Set the name to trunk. A new window will open to confirm the MCP configuration. It should show: 
{
	"servers": {
		"trunk": {
			"url": "https://mcp.trunk.io/mcp",
			"type": "http"
		}
	},
	"inputs": []
}

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Alternative: Update MCP configuration

Add the following configuration to your project’s .vscode/mcp.json file. 
{
  "mcpServers": {
    "trunk": {
      "url": "https://mcp.trunk.io/mcp",
      "type": "http"
    }
  }
}

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Authentication with OAuth (default)

After the MCP server was added, users need to authorize GitHub Copilot to communicate with the server. Follow these steps to complete auth. Step 1: Start MCP server Run CMD+Shift+P to open the Command Palette and choose MCP: List Servers. Choose trunk and select Start Server to authenticate. Step 2: Login & authorize A new webpage will be opened. Login with your Trunk account and follow instructions to authorize GitHub Copilot to communicate with the MCP server. Step 3: Confirm Follow instructions to get back to GitHub Copilot. With auth completed, GitHub Copilot will be able to fetch the tools exposed by Trunk’s MCP server. 
2025-09-10 12:49:16.975 [info] Discovered 2 tools

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Alternative: Authentication with API token

If you prefer not to use the OAuth flow, you can authenticate with your Trunk organization API token. Find your token under Settings → Organization → General, in the API section of the Trunk dashboard. Add the token to your .vscode/mcp.json: 
{
  "mcpServers": {
    "trunk": {
      "url": "https://mcp.trunk.io/mcp",
      "type": "http",
      "headers": {
        "Authorization": "Bearer ${env:TRUNK_API_TOKEN}"
      }
    }
  }
}
VS Code uses ${env:VARIABLE_NAME} syntax for environment variable interpolation in MCP configuration files, unlike other clients which use ${VARIABLE_NAME}.