Agent Optimizer, Agent Plugins 1.0 & Sonnet 4.6 Sunset

Welcome to the latest Microsoft news in 2 minutes.

Agent Optimizer in Microsoft Foundry automatically improves agent instructions, skills, and tool descriptions from evaluation results with no model changes required. Agent Plugins 1.0 hits GA across VS Code, Copilot CLI, the Copilot SDK, and the Copilot app, packaging a skill plus an MCP server into one build-once, run-everywhere plugin backed by AWS, Anthropic, Microsoft, OpenAI, Vercel, and Google. Plus, Claude Sonnet 4.6 leaves most GitHub Copilot experiences September 1.

#MicrosoftDeveloper #AI #GitHubCopilot #MCP

Links for more:
https://aka.ms/devblogs.microsoft.com/ai
https://aka.ms/devblogs_visual_studio_update
https://aka.ms/devblogs_foundry_update

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