At its recent Build developer conference in Seattle, Microsoft unveiled a powerful new AI agent for GitHub that goes beyond code suggestions — it can autonomously write, debug, and refactor code, functioning much like a virtual teammate. While the agent can independently submit pull requests, human developers must still approve them before any changes are pushed through CI/CD pipelines, adding an extra layer of safety.

A Smarter Copilot for Developers

Unlike traditional AI coding tools that serve mainly as helpers, the new GitHub Copilot AI agent is designed to take full ownership of development tasks once assigned. It can fix bugs, refactor messy code, improve documentation, and even suggest or implement new features — all while notifying team members and summarizing its actions. The agent is currently available in preview mode, with Microsoft collecting user feedback before a broader rollout.

Powered by Anthropic’s Claude 3.7 Sonnet model, the AI demonstrates an improved ability to understand codebases and execute tasks accurately. It’s best suited for stable, well-tested projects with low to medium complexity, making it ideal for ongoing code maintenance rather than greenfield development.

Not a Replacement, But a Productivity Boost

GitHub compares the AI agent to another developer on the team — one that takes on repetitive, time-consuming tasks so that humans can focus on more strategic and creative aspects of software development. This shift could redefine developer roles, emphasizing review, decision-making, and oversight over manual coding.

The release is seen as a strategic response to emerging competitors like Cursor and Windsurf, which generate code from text prompts but focus mainly on new project creation. In contrast, Microsoft positions its agent as a maintenance-focused assistant for long-term development support.

Access and Pricing

While GitHub Copilot has a free tier with basic features, the new AI agent requires a Copilot Pro+ subscription for individuals or the Copilot Enterprise plan for organizations. It’s not free, and is currently in preview to gather early feedback and fine-tune performance.

With GitHub’s Copilot already surpassing 15 million users, and the platform contributing over $2 billion in annual revenue since Microsoft’s 2018 acquisition, this launch signals a significant step toward deeper AI integration in the coding workflow.