---
format: "aidr-story-markdown/v1"
id: "23216cfbe10c8c92d859347b187120d76e204e5f5643f059323d90e8ebc783e4"
canonical_url: "https://aidr.today/23216cfb?lang=en"
title: "GitHub Copilot app for Beginners: How to teach Copilot about your codebase"
lang: "en"
requested_lang: "en"
available_langs: ["en","vi"]
translation_fallback: null
fallback_fields: []
published_at: "2026-10-12T17:43:59.000Z"
category: "Tools"
topics: ["microsoft","agent","devtools"]
source_urls: ["https://github.blog/ai-and-ml/github-copilot/github-copilot-app-for-beginners-how-to-teach-copilot-about-your-codebase/"]
summary: "Learn how to add custom instructions and skills to your repository, use custom agents, and connect MCP servers like Playwright with GitHub Copilot."
---

# GitHub Copilot app for Beginners: How to teach Copilot about your codebase

> [Open the canonical story](<https://aidr.today/23216cfb?lang=en>)

**Published:** 2026-10-12T17:43:59.000Z
**Category:** Tools
**Topics:** microsoft, agent, devtools

## Summary

Learn how to add custom instructions and skills to your repository, use custom agents, and connect MCP servers like Playwright with GitHub Copilot\.

## Sources

- [Story source](<https://github.blog/ai-and-ml/github-copilot/github-copilot-app-for-beginners-how-to-teach-copilot-about-your-codebase/>)