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Algorithmic Bystander Effect

🟠 HIGH social proven_mitigated AVE-2025-0021

· aka: AI Bystander Effect, Responsibility Diffusion

Summary

Solo agents respond to critical alerts 100% of the time. 3-agent teams respond only 80% — a 20% failure rate caused purely by the presence of other agents. Response time 5× slower.

Blast Radius

20% chance critical alerts are ignored. 5× response delay.

Prerequisites

Multi-agent team with shared responsibility for alerts.

Environment

  • Frameworks: LangGraph, CrewAI, AutoGen
  • Models tested: [Available in NAIL SDK]
  • Multi-agent: Yes
  • Tools required: No
  • Memory required: No

Known Defences

  • Somatic Startle Response (Layer 5) — layer

🔒 Full defence implementations available through the NAIL SDK.

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