TiaCommander: MCP server, setup and security

What TiaCommander does

According to its repository: “Siemens TIA Portal MCP server — AI-assisted PLC programming. 19 tools, 230 actions.”

An MCP server gives an AI agent extra tools it calls during the conversation: the agent reads their description, decides to use them and gets the result back. TiaCommander is listed under Smart home and IoT, a category of 34 servers in the directory, where it ranks #17 by stars.

Topics declared by the repository: ai-agent, claude-code, claude-desktop, dotnet, factory-automation, industrial-automation.

Installing and connecting TiaCommander

Distribution modes declared in the official MCP registry:

• MCPB bundle (one-click install in Claude Desktop)

Like any MCP server, you declare it in your client's configuration (Claude Desktop, Claude Code, Cursor, VS Code, Codex…): a name, the command that starts it or its URL, and any environment variables. The client then starts it and lists its tools.

Security: what to check

An MCP server runs code with the rights you give it, and the model reads its tool descriptions: a malicious or compromised server can hijack the agent. Read the code, or pick a maintained and widely used server, before connecting it.

Points found for TiaCommander:

• No licence: without a licence the code is not legally reusable, even if it is public. Avoid it in a company setting without the author's agreement.

Good practice: grant only the rights needed (least privilege), require human approval for irreversible actions, and run the AI agent security check.

Project activity and maintenance

Created on May 10, 2026, the a4webdev/tiacommander-mcp repository has 50 stars and 9 forks, with 24 open issues. It has more stars than 51% of the servers in the directory. Last change 2 months ago. Version published in the registry: 3.42.0 (September 7, 2026).

Stars measure attention, not quality: a recent, heavily promoted project can collect them fast, while a useful but niche server will have few.