I was browsing GitHub, looking for interesting open source projects, when one caught my eye. I do not do that often, but I keep reminding myself to do it more. Open source is having a special moment, as coding agents are helping people build more repos than ever. Still, many of the best ideas are hiding in plain sight. The project is called Headroom . At the time, it had around 2,000 GitHub stars and claimed to reduce token usage by 60% to 95% when using Claude Code and the rest of the codi...