How to integrate AI with T-FLEX: abandoning chatbots and moving to controlled agents

LLMs often hallucinate in closed systems such as T-FLEX CAD, producing code that is syntactically plausible but functionally incorrect. The engineers created tflex_harness, a framework that abandoned chatbot abstractions in favor of strict control: local API search, C# code generation, compilation before execution, and controlled execution in the CAD system. The result: the agent operates more reliably and makes fewer errors.