Microsoft ships a GitHub Copilot Harness for Agent Framework with approval gates on every shell command and file write

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Published August 4, the GitHub Copilot Agent is an Agent Framework agent backed by the Copilot CLI and SDK, shipping as Microsoft.Agents.AI.GitHub.Copilot for .NET 8+ and agent-framework-github-copilot for Python 3.11+. It contributes shell execution, file read/write, URL fetching, MCP server integration, custom tool registration, session persistence, and project guideline directories. The governance design is the notable part: every shell command, file write, URL fetch, and custom tool routes through a user-defined permission handler, so human-in-the-loop approval is the default rather than an opt-in.