{"slug": "malicious-ai-agent-skills-can-slip-past-the-scanners-built-to-stop-them", "title": "Malicious AI agent skills can slip past the scanners built to stop them", "summary": "Malicious AI agent skills can evade security scanners designed to detect them, according to a new report. The skills, which are add-ons for AI coding agents like Claude Code and OpenAI Codex, are distributed through public marketplaces that have rapidly grown to over 40,000 listings. This poses a significant security risk as developers may unknowingly load harmful capabilities.", "body_md": "Developers who build with AI coding agents grab capabilities off public marketplaces the same way they grab packages from npm or PyPI. The add-ons are called agent skills. Each one is a little bundle of plain-English instructions, scripts, and files that a tool such as Claude Code or OpenAI Codex loads when it needs a new trick. One marketplace filled up with more than 40,000 listed skills within months of the format showing up in … [More ](https://www.helpnetsecurity.com/2026/07/09/malicious-ai-agent-skills-scan/)\n\nThe post [Malicious AI agent skills can slip past the scanners built to stop them](https://www.helpnetsecurity.com/2026/07/09/malicious-ai-agent-skills-scan/) appeared first on [Help Net Security](https://www.helpnetsecurity.com).", "url": "https://wpnews.pro/news/malicious-ai-agent-skills-can-slip-past-the-scanners-built-to-stop-them", "canonical_source": "https://www.helpnetsecurity.com/2026/07/09/malicious-ai-agent-skills-scan/", "published_at": "2026-07-09 06:00:33+00:00", "updated_at": "2026-07-09 06:23:20.816802+00:00", "lang": "en", "topics": ["ai-agents", "ai-safety", "ai-tools", "ai-products"], "entities": ["Claude Code", "OpenAI Codex"], "alternates": {"html": "https://wpnews.pro/news/malicious-ai-agent-skills-can-slip-past-the-scanners-built-to-stop-them", "markdown": "https://wpnews.pro/news/malicious-ai-agent-skills-can-slip-past-the-scanners-built-to-stop-them.md", "text": "https://wpnews.pro/news/malicious-ai-agent-skills-can-slip-past-the-scanners-built-to-stop-them.txt", "jsonld": "https://wpnews.pro/news/malicious-ai-agent-skills-can-slip-past-the-scanners-built-to-stop-them.jsonld"}}