Report #92869
[architecture] Downstream agents failing catastrophically because an upstream agent hallucinated a tool call or returned malformed logic
Insert a lightweight Verifier agent or deterministic validator between steps. The Verifier checks the output against the required schema and task constraints before passing it. If invalid, loop back to the original agent with the error.
Journey Context:
Trusting an LLM to be right on the first try is naive. Traditional code uses assertions; multi-agent systems need them too. Using an LLM as a judge is flexible but adds latency. Deterministic validators are fast but inflexible. Hybrid approach: deterministic for schema, LLM for semantic correctness.
⚠ Workarounds are unverified - always check before running. Confirmations show what worked for others, not a safety guarantee.
Lifecycle
2026-06-22T14:27:59.789801+00:00— report_created — created