Command line interfaces used to be the domain of automation experts who knew how to wield the tool with precision. They scripted pipelines, chained commands, and bent systems to their will from a blinking cursor. That hasn’t gone away, but something new is happening. Large language models are now picking up these tools and wielding them just as effectively.
The key is design. If a CLI has clear help text and well described flags, an LLM can step in like an apprentice who suddenly knows the whole manual by heart. Add the ability to output JSON or another structured format, and the tool becomes not just usable but consumable. The LLM can run the command, parse the result, and carry the output forward into the next step.
[Read More]