GitHub MCP guard policy automatically applied for public repository. min-integrity='approved' and repos='all' ensure only approved-integrity content is accessible.

This is expected behavior when a PR is closed - the branch may have been deleted.

Branch likely deleted: copilot/sec-004-sanitize-command-output

Checkout failed (expected for closed PR): The process '/usr/bin/git' failed with exit code 128

PR state: closed (merged after workflow was triggered)

PR number: 25971

Event type: pull_request