diff --git a/src/cleveragents/cli/commands/plan.py b/src/cleveragents/cli/commands/plan.py
index 44fe96707..d057ab8f9 100644
--- a/src/cleveragents/cli/commands/plan.py
+++ b/src/cleveragents/cli/commands/plan.py
@@ -307,6 +307,54 @@ def _plan_spec_dict(plan: Any) -> dict[str, object]:
     return {"plan": str(plan)}
 
 
+
+def _status_output_dict(plan: Any) -> dict[str, object]:
+    """Build the spec-required JSON envelope for a single-plan status output.
+
+    Returns the structured JSON envelope for ``agents plan status PLAN_ID``
+    as defined in the specification §agents plan status.
+
+    Args:
+        plan: The plan object (either a v3 ``Plan`` or a legacy plan).
+
+    Returns:
+        A JSON-serialisable dict matching the spec-required envelope.
+    """
+    return {
+        "command": "plan status",
+        "status": "ok",
+        "exit_code": 0,
+        "data": _plan_spec_dict(plan),
+        "timing": {},
+        "messages": [{"level": "ok", "text": "Plan status retrieved"}],
+    }
+
+
+def _status_list_output(plans: list[Any]) -> dict[str, object]:
+    """Build the spec-required JSON envelope for a list-all-plans status output.
+
+    Returns the structured JSON envelope for ``agents plan status`` (no
+    ``plan_id`` argument) as defined in the specification §agents plan status.
+
+    Args:
+        plans: The list of plan objects to include in the data payload.
+
+    Returns:
+        A JSON-serialisable dict matching the spec-required envelope.
+    """
+    return {
+        "command": "plan status",
+        "status": "ok",
+        "exit_code": 0,
+        "data": [_plan_spec_dict(p) for p in plans],
+        "timing": {},
+        "messages": [
+            {"level": "ok", "text": f"{len(plans)} plan(s) retrieved"}
+        ],
+    }
+
+
+
 def _execute_output_dict(
     plan: Any,
     started_at: datetime | None = None,
@@ -2436,8 +2484,8 @@ def plan_status(
 
             # Non-rich formats
             if fmt != OutputFormat.RICH.value:
-                data = [_plan_spec_dict(p) for p in plans]
-                console.print(format_output(data, fmt))
+                envelope = _status_list_output(plans)
+                console.print(format_output(envelope, fmt))
                 return
 
             # Show summary table
@@ -2480,8 +2528,8 @@ def plan_status(
         plan = service.get_plan(plan_id)
 
         if fmt != OutputFormat.RICH.value:
-            data = _plan_spec_dict(plan)
-            console.print(format_output(data, fmt))
+            envelope = _status_output_dict(plan)
+            console.print(format_output(envelope, fmt))
             return
 
         _print_lifecycle_plan(plan, title="Plan Status")