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# GitHub > GitHub is a developer platform for building, shipping, and maintaining software. It provides cloud-based Git repository hosting, CI/CD via GitHub Actions, project management with Issues and Projects, code review via pull requests, AI-powered development with GitHub Copilot, and APIs (REST and GraphQL) for automation and integration. GitHub documentation is available at https://docs.github.com. The content covers GitHub.com (cloud), GitHub Enterprise Server, and GitHub Enterprise Cloud. Unless otherwise noted, links below point to docs.github.com. ## Copilot Coding Agent - [About GitHub Copilot coding agent](https://docs.github.com/en/copilot/concepts/agents/coding-agent/about-coding-agent): Autonomous AI agent that can work on GitHub issues and pull requests, writing code, running tests, and creating PRs - [Using GitHub Copilot agents](https://docs.github.com/en/copilot/how-tos/use-copilot-agents): How to use Copilot agents including the coding agent, code review, and third-party agents - [Creating custom agents](https://docs.github.com/en/copilot/how-tos/use-copilot-agents/coding-agent/create-custom-agents): Create agent profile files with specialized tools, MCP servers, and system prompts - [About custom agents](https://docs.github.com/en/copilot/concepts/agents/coding-agent/about-custom-agents): Concepts behind custom agents with tailored expertise - [Custom agents configuration reference](https://docs.github.com/en/copilot/reference/custom-agents-configuration): Full reference for agent profiles including mcp-servers, tools, and out-of-the-box MCP servers - [About Agent Skills](https://docs.github.com/en/copilot/concepts/agents/about-agent-skills): Concepts behind Agent Skills - [Customizing the development environment for coding agent](https://docs.github.com/en/copilot/how-tos/use-copilot-agents/coding-agent/customize-the-agent-environment): Configure the Codespace-based environment used by the coding agent - [About third-party agents](https://d