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verify-success-after-unknown-error

Verify task completion by checking filesystem state when execute_code_sandbox or run_shell return misleading unknown errors

benchmarks/gdpval/skills/verify-success-after-unknown-error/SKILL.md

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Network or broad shell
Last checked
Nov 2, 2026

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Nov 6, 2026
License
MIT

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# Verify Success After Unknown Error

## Purpose

When `execute_code_sandbox` or `run_shell` return "unknown error" messages, the underlying task may have actually succeeded. This skill provides a systematic approach to verify actual completion before assuming failure and retrying unnecessarily.

## When to Apply

Use this pattern when:
- `execute_code_sandbox` returns "unknown error" but your code may have completed
- `run_shell` fails with unclear error messages
- File creation, modification, or transformation tasks report errors
- The error message is generic/unspecified rather than a clear failure reason