AGUI902

August 17, 2026 · View on GitHub

Severity: info · Group: Protocol hygiene · Checked in: core · Since: 0.x

Message: None of the {eventCount} events carry the optional timestamp property

Spec grounding

timestamp: Optional timestamp indicating when the event was created

Source: https://docs.ag-ui.com/concepts/events#base-event-properties

Example

A violating stream from the corpus (spec/fixtures/invalid/AGUI902-no-timestamps):

{"type":"RUN_STARTED","threadId":"thread_001","runId":"run_001"}
{"type":"RUN_FINISHED","threadId":"thread_001","runId":"run_001"}

Expected findings:

  • info AGUI902 at stream — None of the 2 events carry the optional timestamp property