A ChatGPT TUI with custom bots
Hi HN! We just shipped a full-featured TUI (Text User Interface) for chatting with your Marvin bots, powered by GPT 4 or GPT-3.5. Like all of Marvin, it's fully open-source and we hope you find it useful. To launch it, upgrade and run `marvin chat`. The TUI is built with Textual (https://github.com/textualize/textual/) and uses some of its newest features including background workers and modals. We've made base TUIs before but this is the first one that's a true "app" with many screens and coordinated global state. Happy to answer any questions about working with…
A ChatGPT TUI with custom bots launched on April 8, 2023 with 126 votes, #334 of 4,853 launches that month and more than 95% of that year's launches.
In plain words
A Marvin ChatGPT TUI is a terminal-based chat application for interacting with custom AI bots powered by GPT-4 or GPT-3.5. Built with Textual framework features like background workers and modals, it offers a full-featured interface with multiple screens and coordinated state management. The open-source tool is designed for developers and AI enthusiasts who want to chat with Marvin bots directly from the command line, launched via `marvin chat` after upgrading.
written from the facts on this page · September 2026
From the sources
In the maker’s words, at launch
Hi HN! We just shipped a full-featured TUI (Text User Interface) for chatting with your Marvin bots, powered by GPT 4 or GPT-3.5. Like all of Marvin, it's fully open-source and we hope you find it useful. To launch it, upgrade and run `marvin chat`. The TUI is built with Textual…
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Source: Show HN post ↗ · launch text quoted in part
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