Butterfish Shell
An AI-powered command-line tool designed for shell prompts and automatic completion.
Introduction
AI-powered command-line tool for shell prompting and autocompletion.
What is a Butterfish?
Butterfish is a command-line tool that uses OpenAI or compatible APIs to add AI-based suggestions to your shell (bash, zsh). It’s essentially like Github Copilot, but tailored specifically for the command-line environment – allowing you to utilize LLMs directly within the command line to complete software engineering tasks. It offers features such as context-aware assistance and automatic command completion.
How to use Butterfish?
Install Butterfish using Homebrew or by running `go install`. Launch a new shell instance with AI capabilities by executing `butterfish shell`. Type commands starting with a capital letter to trigger the AI functionality. Use `!` to enter target mode, and `!!` to enter unsafe target mode.
The core features of Butterfish
Implementing AI suggestions in the shell (bash, zsh)
Command autocompletion
The target mode is used for automating task execution.
Customizable prompts
Integration with OpenAI and compatible APIs
Command autocompletion
The target mode is used for automating task execution.
Customizable prompts
Integration with OpenAI and compatible APIs
Visits：17
Updated：2026-11-07
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