Copilot Agent Mode is now available in GitHub Copilot for Xcode

Key Concepts:

• GitHub Copilot for Xcode
• Agent Mode
• Ask Mode
• Model Context Protocol (MCP)
• GitHub's MCP Server
• Issue Prioritization
• User Experience (UX) Improvement
• Simulator Testing
• Code Modification

Agent Mode in GitHub Copilot for Xcode

The video introduces the new "Agent" mode in GitHub Copilot for Xcode, contrasting it with the existing "Ask" mode.

• Ask Mode: Facilitates back-and-forth conversations with Copilot.
• Agent Mode: Enables Copilot to take direct action based on user instructions.

Model Context Protocol (MCP) Integration

Agent mode leverages the Model Context Protocol (MCP) to enhance Copilot's capabilities.

• MCP Support: GitHub Copilot for Xcode supports MCP, allowing integration with tools like GitHub's MCP server.
• Configuration: Users can configure MCP settings and view available tools through the tools icon, which navigates to the GitHub Copilot for Xcode settings page, specifically the MCP tab.

Use Case: Issue Prioritization and Resolution

The video demonstrates a practical use case: using Copilot in Agent mode to identify and resolve issues.

• Issue Identification: Copilot is instructed to look up issues in the repository and prioritize them.
• Comprehensive Update: Copilot provides a detailed update on the project's status.
• UX Improvement Example: The video highlights an issue with instant invalidation in a form, negatively impacting the user experience.

Step-by-Step Issue Resolution

The video showcases a step-by-step process of using Copilot to fix the UX issue.

1. Problem Observation: The user identifies the issue in the simulator (instant invalidation).
2. Instruction to Copilot: The user provides clear instructions to Copilot to resolve the issue, specifying expectations.
3. Code Modification: Copilot explores files in the current workspace and makes necessary updates to fix the problem.
4. Verification: The user tests the solution in the simulator to confirm the issue is resolved. The form now works as expected, with warnings appearing only for invalid entries.

Demonstration of Improved User Experience

The video provides a clear before-and-after comparison.

• Before: Red input boxes appeared instantly, creating a poor user experience.
• After: The form functions correctly, with warnings appearing only when invalid entries are made.

Conclusion

The video concludes by highlighting the effectiveness of GitHub Copilot for Xcode in Agent mode for identifying and resolving issues, specifically improving user experience through code modifications. It directs viewers to gh.io/copilot/xcode to get started.