Casey Irvine
Software Engineer · Making it up as I go along
Recent Posts
Jun 3, 2026
Plan Big, Execute Auto — A Cheaper Way to Run GitHub Copilot
The auto model picks the right model for each task and gives paid plans a 10% discount. Plan with a heavyweight, switch to auto to execute, save tokens.
Copilot CLI Developer Tools AI Productivity
Apr 28, 2026
Skills Pay the Bills, But Scripts Ship
Skills are incredible — shareable, intelligent, loaded on demand. But sometimes a simple script does the job faster, cheaper, and without burning your context window. Here's how to know which one to reach for.
Copilot CLI Developer Tools AI Productivity
Apr 25, 2026
Context is King - Managing Your Context Window in Copilot CLI
Context is the invisible budget behind every Copilot CLI session. Here's what fills it, why it matters, and the tools for keeping your sessions sharp.
Copilot CLI Developer Tools AI Context Management