Implementing Defense Against 'Mind Viruses' in Multi-Agent LLM Systems

KyeGomezB · x · 2026-08-21

Inspired by the paper 'Mind Viruses: Self-Propagating Ideas in Multi-Agent LLM Systems', the author implemented a practical defensive skill for agents. This skill detects and prevents self-propagating instructions within multi-agent LLM systems. It quarantines compromised persistence files, blocks destructive actions justified by other agents, and warns senders instead of blindly relaying malicious directives. It is recommended for use in multi-agent harnesses, networks, and shared sandboxes.

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