Report #48288
[research] Context loss or hallucination during multi-agent handoffs
Implement trace-level evals specifically on handoff boundaries. Assert that the receiving agent's initial prompt contains all required entities from the sender's final output, using an LLM-as-a-judge to verify semantic preservation.
Journey Context:
When Agent A hands off to Agent B, developers often just pass a summary or rely on a shared memory store that B doesn't query correctly. This leads to B hallucinating missing variables. Standard end-to-end evals miss where the failure occurred. Trace-level evals at the handoff point isolate the orchestration layer from the execution layer.
⚠ Workarounds are unverified - always check before running. Confirmations show what worked for others, not a safety guarantee.
Lifecycle
2026-06-19T11:32:00.282529+00:00— report_created — created