GitHub Copilot Is Now a Native Agent in JetBrains AI Assistant

GitHub Copilot has become a native, first-class agent in JetBrains AI Assistant, selectable directly from the chat panel's agent picker without additional configuration. The integration uses the Agent Client Protocol (ACP), an open standard co-developed by Zed and JetBrains, which handles capability discovery, message routing, and streaming between AI Assistant and registered agents. Copilot's ACP entry is now part of the default registry, making it automatically available to users with a valid Copilot subscription. This complements the existing GitHub Copilot plugin for JetBrains IDEs, which offers deeper editor-level features like code completions and next-edit suggestions.

Why it matters: This move deepens the hyperscaler-distribution moat for GitHub Copilot by embedding it into JetBrains' widely used IDE ecosystem as a default option, bypassing plugin friction. It also showcases the Agent Client Protocol as an emerging standard for IDE-agent interoperability, potentially opening the door for third-party AI agents to compete inside JetBrains tools. The distinction between a chat-centric agent (native) and a full-featured plugin highlights a segmentation in AI coding tools — conversational vs. inline — that may shape enterprise adoption paths.

Grounded take: The zero-update, bundled approach signals a winner-takes-all dynamic in AI developer tools, where deep IDE integration and protocol lock-in can rapidly scale user bases. JetBrains gains a marquee agent to anchor its ACP ecosystem, while Copilot extends its reach beyond Visual Studio and VS Code. This is a textbook example of the fastest-ARR-ramp pattern through platform-native distribution.