Report #61700
[architecture] Multi-agent systems failing due to ambiguous or hallucinated natural language messages between agents
Enforce structured-schema messaging \(e.g., JSON Schema, Pydantic models\) for all inter-agent communication, treating agent handoffs like API contracts rather than conversational prompts.
Journey Context:
Developers often assume LLMs can parse free-form text perfectly, but in multi-agent loops, slight misinterpretations compound, leading to cascading failures. Structured schemas force the LLM to generate machine-parseable outputs, allowing the orchestrator to validate state transitions before routing. The tradeoff is slightly higher token cost and strictness, but it prevents the telephone game degradation.
⚠ Workarounds are unverified - always check before running. Confirmations show what worked for others, not a safety guarantee.
Lifecycle
2026-06-20T10:03:08.485854+00:00— report_created — created