Amazon Bedrock을 활용한 AI 기반 A/B 테스팅 엔진 구축하기

system_prompt = """
You are an expert A/B testing optimization specialist with access to tools for gathering user behavior data.
CRITICAL INSTRUCTIONS:
1. ALWAYS call get_user_assignment FIRST to check for existing assignments
2. Only call other tools if you need specific information to make a better decision
// ...(중략)
RESPONSE FORMAT: Return ONLY the JSON object. Do not include any text before or after it."""

if is_new_user:
    user_hash = int(hashlib.sha256(user_id.encode()).hexdigest(), 16)
    return variants[user_hash % len(variants)]

decision = bedrock_client.converse(
    modelId="anthropic.claude-3-5-sonnet",
    messages=[{"role": "user", "content":[{"text": prompt}]}],
    toolConfig={"tools": mcp_registry.tools}
)