GitHub Copilot Customization, Finally Explained
Agents, Skills, Hooks, Prompts, Custom Instructions, and GitHub Instructions—what they are, how they differ, and when to use each one GitHub Copilot is getting more powerful, but it is also getting more layered. If you have been exploring Copilot customization, you have probably run into a pile of terms that seem similar at first glance: Agent , Skill , Hook , Prompt , Custom Instructions , and GitHub Instructions . And that is where the confusion starts. They all shape how Copilot behaves, but they do very different jobs . If you do not separate them clearly in your mind, it becomes easy to misuse them. You end up trying to force one feature to solve a problem that another feature was designed to handle much better. This article is the practical guide I wish I had the first time I started thinking seriously about building a real Copilot workflow. By the end, you should be able to answer these questions with confidence: What is each feature actually for? How are they d...