TIA-Portal MCP-Server

A Visual Studio Code extension to connect to Siemens TIA Portal and interact with TIA Portal projects directly from VS Code with GitHub Copilot.

Requirements

• Siemens TIA Portal V20 installed and running on your machine

• Siemens.Openness installed

• net Framework 4.8 installed

• Visual Studio Code installed

• GitHub Copilot in Visual Studio Code installed and configured (check: Chat > Mcp: Enabled)

Chat Examples

Do the following steps:
- Connect to tia portal and open project from 'D:/Temp/TestProject1.als20'
- Export all blocks from plc software 'PC-System_1/Software PLC_1' to 'workspacefolder/Export'
- Export all types from plc software 'PC-System_1/Software PLC_1' to 'workspacefolder/Export'
- Close the project
- Disconnect from tia portal

Do the following steps:
- Connect to tia portal and open project from 'D:/Temp/TestProject1.als20'
- Give me the structure of the project as markdown with the exact words
- Close the project
- Disconnect from tia portal

Do the following steps:
- Connect to tia portal and open project from 'D:/Temp/TestProject1.als20'
- Compile plc software 'PLC_1'
- Close the project
- Disconnect from tia portal

MCP-Server

• Refer to tiaportal-mcp

Features

• Connect to a TIA Portal instance

• Browse and interact with TIA Portal projects

• Perform basic project operations from within VS Code

Requirements

• .net Framework 4.8 installed

• Siemens TIA Portal V20 installed and running on your machine

• Check if under Environment Variables/User variable for user <name> the variable TiaPortalLocation is set to C:\Program Files\Siemens\Automation\Portal V20. Details on nuget.org - Siemens.Collaboration.Net.TiaPortal.Openness.Resolver

• User must be in Windows User Group Siemens TIA Openness. Details on TIA Portal Openness - Adding Users to the Siemens TIA Openness User Group

Usage

Visaul Studio Code

Add server to mcp.json

• After installation restart VS Code.

• Run the command TIA Portal: Add MCP Server Configuration to add mcp server entry to `mcp.json.

• Check .vscode\mcp.json for the correct TIA Portal path.

  • <user>: Your Windows username

  • <version>: The version of the extension you have installed.

  {
      "servers": {
          "vscode-tiaportal-mcp": {
          "command": "c:\\Users\\<user>\\.vscode\\extensions\\jheilingbrunner.vscode-tiaportal-mcp-<version>\\srv\\net48\\TiaMcpServer.exe",
          "args": [],
          "env": {}
          }
      }
  }

• Open GitHub Copilot.

• Switch to Agent mode.

• Check tools by Select Tools

• Start to chat with TIA Portal.

Remove server from mcp.json

• Run the command TIA Portal: Remove MCP Server Configuration to remove mcp server entry from mcp.json.

Claude Desktop

Create/Edit to add/remove server to C:\Users\<user>\AppData\Roaming\Claude\claude_desktop_config.json:

{
  "mcpServers": {
    "vscode-tiaportal-mcp": {
      "command": "c:\\Users\\<user>\\.vscode\\extensions\\jheilingbrunner.vscode-tiaportal-mcp-<version>\\srv\\net48\\TiaMcpServer.exe",
      "args": [],
      "env": {}
    }
  }
}

License

MIT