The agent just got a cage. github shipped local sandboxing for copilot to general availability on…
the agent just got a cage. github shipped local sandboxing for copilot to general availability on oct 7, restricting its filesystem, network and credential access inside agent host.
the autonomous loop now runs inside policy.
Context
Verified event date: GitHub's changelog dated Oct 7, 2026 says local sandboxing for GitHub Copilot is generally available in Copilot CLI, the Copilot app and VS Code.
GitHub's docs say local sandboxing restricts filesystem access, network connectivity and credential use, with a /sandbox command in Copilot CLI to grant extra paths and adjust network access.
The Oct 7 general availability and the three restriction areas match GitHub's changelog and docs. The phrase 'inside agent host' is not seen in the excerpts read, so unsupported here, not refuted. 'The autonomous loop now runs inside policy' is the author's.
'the agent just got a cage' is the author's opinion.
Related work
Watch next
- Read the docs for the default network and credential rules.
Sources
- GitHub Changelog, Oct 7, 2026github.blog
- GitHub Docs, configuring local sandbox settingsdocs.github.com
- GitHub Docs, understanding local sandboxingdocs.github.com
Provenance
The note above is reproduced unedited from the original post, first published on Threads on 11 October 2026 at 07:43 IST. Sources are the papers and datasets the note draws on.
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