This does exactly what it says: creates Gantt charts programmatically. You add tasks with start and end dates, optionally set up dependencies and milestones, then export to PNG. The quick start example shows a simple four-task timeline that takes about five lines of Python to generate. It's built for project management and sprint planning scenarios where you need timeline visualizations without firing up a dedicated tool. The skill has passed security audits from three different sources and sits at 129 installs with 60 GitHub stars. If you're already working in code and need to generate project timelines as part of your workflow, this slots right in.
npx skills add https://github.com/dkyazzentwatwa/chatgpt-skills --skill gantt-chart-creator