{
  "context": "Tests whether the response designs a correct distributed rate limiting system.",
  "type": "weighted_checklist",
  "checklist": [
    {
      "name": "Uses centralized store for multi-instance",
      "description": "Recognizes that multiple server instances need a shared store (Redis, Memcached) for consistent rate limiting",
      "max_score": 15
    },
    {
      "name": "Describes a valid algorithm",
      "description": "Uses a recognized rate limiting algorithm: sliding window, token bucket, leaky bucket, or fixed window counter",
      "max_score": 12
    },
    {
      "name": "Returns correct HTTP headers",
      "description": "Includes X-RateLimit-Limit, X-RateLimit-Remaining, and X-RateLimit-Reset (or Retry-After) headers",
      "max_score": 10
    },
    {
      "name": "Returns 429 status code",
      "description": "Returns HTTP 429 Too Many Requests when the limit is exceeded",
      "max_score": 8
    },
    {
      "name": "No incorrect information",
      "description": "Rate limiting concepts and implementation details are technically correct",
      "max_score": 10
    }
  ]
}