diff --git a/README.md b/README.md
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--- a/README.md
+++ b/README.md
@@ -1,5 +1,11 @@
 # agents-api
 
+> **Retired on 2026-10-23.** agents-api, agents-ui and the agent runners were
+> parked at zero replicas on 2026-09-01, when Hermes replaced them, and the
+> operator retired them on 2026-10-23. JorisJonkers-dev/fleet-infra#531 removes
+> them from the cluster. Nothing deploys from this repository any more; it is
+> kept for its history. It was archived on 2026-11-02.
+
 Kotlin/Spring API service for agent workspaces, sessions, credentials, and
 runner orchestration.