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AI agent programs Siemens PLC via new MCP bridge, revealing engineering decisions

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An LLM agent used a custom MCP server to control Siemens TIA Portal software. It was tasked with fully implementing a conveyor-sorting control program for an S7-1500 programmable logic controller. The agent autonomously performed the entire development cycle, from adding hardware to writing and testing code in a simulator. The key finding was not the generated code but the agent's logical engineering decisions and its refusal to proceed without first building a verification environment.

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AI agent programs Siemens PLC via new MCP bridge, revealing engineering decisions · ShortSingh