diff --git a/openclaw-plugins/atocore-capture/handler.js b/openclaw-plugins/atocore-capture/handler.js
index 1a87ffb..e9b32a3 100644
--- a/openclaw-plugins/atocore-capture/handler.js
+++ b/openclaw-plugins/atocore-capture/handler.js
@@ -98,6 +98,14 @@ export default definePluginEntry({
         lastPrompt = null;
         return;
       }
+      // Filter cron-initiated agent runs. OpenClaw's scheduled tasks fire
+      // agent sessions with prompts that begin "[cron:<id> ...]". These are
+      // automated polls (DXF email watcher, calendar reminders, etc.), not
+      // real user turns — they're pure noise in the AtoCore capture stream.
+      if (prompt.startsWith("[cron:")) {
+        lastPrompt = null;
+        return;
+      }
       lastPrompt = { text: prompt, sessionKey: ctx?.sessionKey || "", ts: Date.now() };
       log.info("atocore-capture:prompt_buffered", { len: prompt.length });
     });