Substage

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Substage is a command bar that docks underneath your Finder window on macOS, designed to convert natural language prompts into command line commands. It allows users to control their Mac and its files with natural language, making tasks like file conversion, organization, and system queries more intuitive. Substage uses AI models such as GPT 4.1 mini to generate terminal commands based on user prompts. The tool is particularly useful for quick individual operations like file conversion, resizing images, checking file metadata, and performing calculations. It supports various AI providers including OpenAI, Anthropic, Mistral, and Google, and also offers the option to use local AI models via tools like Ollama or LM Studio. Substage is privacy-conscious, ensuring that file contents are not accessed or sent to AI providers, though filenames and some context may be shared to improve relevance. The tool is free to try for 2 weeks, with subscription options available for continued use.