diff --git a/src/cleveragents/cli/commands/validation.py b/src/cleveragents/cli/commands/validation.py
index e641967d2..fa6c73c09 100644
--- a/src/cleveragents/cli/commands/validation.py
+++ b/src/cleveragents/cli/commands/validation.py
@@ -48,6 +48,7 @@ Based on implementation_plan.md -- Task C1.tool.cli.
 
 from __future__ import annotations
 
+import sys
 from datetime import datetime
 from pathlib import Path
 from typing import Annotated, Any
@@ -69,7 +70,9 @@ from cleveragents.domain.models.core.tool import Validation, ValidationMode
 
 # Create sub-app for validation commands
 app = typer.Typer(help="Manage validations (pass/fail tools) and resource attachments.")
-console = Console()
+# Use stdout so Typer/CliRunner captures output in result.output (BDD tests
+# assert on result.output; Rich defaults to stderr which would break those).
+console = Console(file=sys.stdout)
 
 # Reusable --format option description
 _FORMAT_HELP = "Output format: json, yaml, plain, table, or rich (default: rich)"