Butterfish

Let's do useful things with LLMs from the command line, with a bent towards software engineering. Butterfish is for people who work from the command line, it adds AI prompting to your shell (bash, zsh) with OpenAI (or compatible APIs). Think Github Copilot for shell. Here’s how it works: use your shell as normal, start a command with a capital letter to prompt the AI. The AI sees the shell history, so you can ask contextual questions like “Why did that command fail?”. This is a magical UX pattern – you get high-context AI help exactly when you want it, NO COPY/PASTING. Once you run butterfish shell you can do the following things from the command line: