Quick Facts
- Category: Open Source
- Published: 2026-05-04 17:57:52
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GitHub Unveils AI-Powered Emoji Generator in Breakneck Live Stream Build
[CITY, STATE] – GitHub today launched a free, open-source emoji list generator built entirely using its Copilot CLI tool during a live stream. The tool, called Emoji List Generator, automatically replaces bullet points with relevant emojis and copies the result to the clipboard.
“We wanted to demonstrate how fast you can build a useful utility using the Copilot CLI,” said a GitHub spokesperson. “The entire project came together in under an hour.” The generator uses OpenTUI for its terminal interface, @github/copilot-sdk for AI processing, and clipboardy for clipboard access.
How It Works
Users paste or type a bullet-point list in the terminal. Pressing Ctrl+S triggers the AI to replace each bullet point with an emoji that matches the context. The updated list is instantly copied to the clipboard.
The build utilized Copilot CLI's plan mode with Claude Sonnet 4.6 to generate a detailed plan.md file, then implementation using Claude Opus 4.7. “It’s a glimpse into the future of AI-assisted software development,” noted the stream’s host, Gabor.
Multi-Model Workflow in Action
The project highlights a multi-model workflow: planning with one model, coding with another. Additional features include autopilot mode, the allow-all-tools flag, and integration with the GitHub MCP server.
“We’re dogfooding our own tools here,” added a GitHub engineer, referencing the internal use of the generator for social media posts. The entire source code is available under an open-source license.
Background
The generator was created during GitHub's weekly Rubber Duck Thursdays stream, where developers build projects live with the community. The Copilot CLI, released earlier this year, enables terminal-based AI interactions and planning.
GitHub has been pushing developer productivity with AI tools. The emoji list generator is the latest example of rapid prototyping using these technologies, moving from idea to working product in minutes.
What This Means
This open-source project serves as a reference implementation for developers looking to create CLI apps with Copilot. It demonstrates how plan mode, autopilot, and multi-model workflows reduce development time from days to minutes.
“This is not just about emojis,” a senior GitHub engineer explained. “It’s a template for building any AI-powered terminal tool.” The code is available on GitHub under an open-source license, inviting community contributions.
Availability: The Emoji List Generator is free and open source now. Check the background section for stream details, and visit the official repo for installation instructions.