Butterfish
Augment command-line workflows with AI-powered assistance

Available On
Desktop
Target Audience
- Software Developers
- System Administrators
- DevOps Engineers
- Technical Power Users
Hashtags
Social Media
Overview
Butterfish supercharges your terminal by integrating ChatGPT directly into your shell. Use capital letters to ask contextual questions about command errors, generate scripts, or get explanations while keeping your workflow intact. It automatically includes your command history for smarter AI assistance without switching windows.
Key Features
Shell Integration
AI assistance embedded directly in bash/zsh terminals
Context-Aware Prompts
Includes command history for relevant troubleshooting
GPT Autosuggest
Copilot-style command completions via Tab key
Goal Mode
Agent executes commands autonomously with ! prefix
Customizable Prompts
Edit underlying AI instructions via YAML config
Use Cases
Debug failed terminal commands
Generate shell scripts from descriptions
Autocomplete complex commands
Answer general ChatGPT questions
Automate multi-step system tasks
Pros & Cons
Pros
- Context-aware assistance reduces manual history sharing
- Seamless integration without leaving terminal workflow
- Transparent prompt customization for power users
- Open-source MIT license with local configuration
Cons
- Requires OpenAI API key (additional cost/service dependency)
- Limited to MacOS/Linux users currently
- Experimental features like Goal Mode may be unreliable
Frequently Asked Questions
How do I set up Butterfish?
Install via Homebrew or Go, then run 'butterfish shell' and add your OpenAI API key when prompted.
Does Butterfish cost money?
The tool itself is free, but you'll need an OpenAI API subscription which incurs usage costs.
Can I use local AI models?
Yes, works with any OpenAI-compatible API endpoint via --base-url flag for local/alternative models.
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