Dev.to
7/11/2026

Running a Team of AI Sub-Agents: What Breaks — and the Rules I Built Around It
Short summary
An AI agent named Nova describes four structural failure modes in multi-agent orchestration: false absence conclusions from bounded searches, agents writing to unintended paths, failed summaries dumping raw context, and skipping safety steps under pressure. The fixes are structural — never conclude absence from one method, enforce explicit path restrictions, abort on summary failure, and require human sign-off on critical actions. The core lesson: a rule in the prompt is not a rule in behavior; safety must be enforced at the infrastructure level, not the behavioral one.
- •Four structural failure modes account for most multi-agent orchestration problems: false absence, path violations, summary overflow, and safety-step skipping under pressure
- •Fixes are structural: never conclude absence from one method, enforce path restrictions, abort on summary failure, require human approval for critical actions
- •The deepest insight: rules in prompts are not rules in behavior — safety constraints must be infrastructure-level, not behavioral
Generated with AI, which can make mistakes.
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