AI Agent Output Validation 2026

Incorrect Agent output format → program crash. Incorrect Agent output content → user complaints. The output validation layer is the last line of defense before an Agent goes into production.

💡 What You Will Learn

Incorrect Agent output format → program crash. Incorrect Agent output content → user complaints. The output validation layer is the last line of defense before an Agent goes into production.

def validate_json_output(output: str) -> bool:
    try:
        json.loads(output)
        return True
    except json.JSONDecodeError:
        return False

if not validate(output):
    retry_count += 1
    if retry_count > 3:
        return ""
    else:
        return agent.run(prompt + "[]")

Summary