Antithesis Debug

Skill version: 2026-10-21 4f8d80b

Execute a bash script at a moment in a run. Each call branches the multiverse and repeated calls from the same moment reproduce. Can use a currently running run or an active MVD session.

When to use this skill

• The user gives you Antithesis debugging-session run ID or URL
• The user asks you to debug or investigate a failing property, bug, or any result from a past run
• The user makes a request to inspect container filesystem, runtime state, or events inside Antithesis
• Triage suggested this skill because logs alone haven't explained a failure

Failed property warning

Commands run with runs exec on a live run can trigger a run's assertions, which will result in a failing property that looks exactly like a real bug.

Use a debugging session if you want to avoid these kinds of false positives. Preference using a currently running run for speed, ease of use, and less core hours for commands you do not think will cause this problem.