Sefz discovers specification violations in 29.9% of 402 real-world agent skills by translating guardrails into reachability goals and guiding LLM mutations with a multi-armed bandit.
Prophet- fuzz: Fully automated prediction and fuzzing of high-risk option com- binations with only documentation via large language model
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No Attack Required: Semantic Fuzzing for Specification Violations in Agent Skills
Sefz discovers specification violations in 29.9% of 402 real-world agent skills by translating guardrails into reachability goals and guiding LLM mutations with a multi-armed bandit.