# What Is GitHub Copilot Custom Instructions? (And Why Your Project Needs One)

> Source: <https://dev.to/jssuthahar/what-is-github-copilot-custom-instructions-and-why-your-project-needs-one-github-copilot-custom-4605>
> Published: 2026-07-27 01:57:21+00:00

What Is GitHub Copilot Custom Instructions? (And Why Your Project Needs One) | MSDEVBUILD blog by Suthahar
          

            GitHub Copilot custom instructions explained simply — what the file is, why every project benefits from one, and the mistakes beginners make when writing it.
          

          blog.msdevbuild.com