Predicting Program Exit Code with LLMs and Programming Language Semantics
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Updated
Sep 29, 2026 - Python
Predicting Program Exit Code with LLMs and Programming Language Semantics
An exit code cannot tell you whether anything happened. Did it RUN, did it FAIL, and was the failure the RIGHT one?
Pone a examen los guardarraíles de una IA: comprueba que cuando detectan algo, de verdad lo bloquean, y lo demuestra mutándolos.
A Claude Code skill and hook that catches silent tool failures where exit code 0 masks a real error — it verifies a command's actual output (pytest under xdist, linters in report mode, crashed background jobs, placeholder writes) instead of trusting the exit code, and loops back to fix them.
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