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    "headline": "The Detector Recognized the Source More Than the Threat",
    "slug": "the-detector-recognized-the-source-more-than-the-threat",
    "dek": "MaliciousSkillBench consolidates 9,740 agent-skill packages and tests whether detection transfers beyond familiar feeds.",
    "summary": "MaliciousSkillBench consolidates 9,740 agent-skill packages and tests whether detection transfers beyond familiar feeds.",
    "body_text": "The benchmark reduces 8,414 raw malicious records to 7,539 normalized identities and evaluates both learned detectors and off-the-shelf scanners. Random-split macro F1 reached as high as 0.932, but source-disjoint performance fell to 0.653–0.665; the strongest text model retained high malicious recall while falsely flagging 62.4 percent of benign skills from held-out sources.",
    "why_it_matters": "MaliciousSkillBench consolidates 9,740 agent-skill packages and tests whether detection transfers beyond familiar feeds.",
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    "importance": 9,
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    "tags": [
      "agent skills",
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      "title": "arXiv preprint 2608.19901",
      "publisher": "arXiv",
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      "published_at": "2026-08-20T07:13:00.000-04:00",
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    "name": "The Machine Press",
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    "description": "A daily newspaper for the age of artificial intelligence."
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    "title": "The Detector Recognized the Source More Than the Threat",
    "publisher": "The Machine Press",
    "published_at": "2026-08-23T09:00:00.000-04:00",
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