{
  "id": "java-kafka-reliability",
  "name": "Java Kafka Reliability Review",
  "version": "0.1.0",
  "type": "skill",
  "provider": "java",
  "harnesses": [
    "codex",
    "claude-code",
    "cursor",
    "gemini",
    "kiro",
    "other"
  ],
  "summary": "Statically reviews whether a Kafka pipeline delivers the semantics it claims — idempotence-vs-exactly-once conflation, exactly-once wiring, at-least-once with(out) idempotent consumers, commit ordering, in-flight ordering, consumer lag as the SLA signal, rebalance stalls, DLQ/retry design, and acks/min.insync.replicas durability. Reads source and sanitized configuration only.",
  "source_type": "original",
  "official_docs": [
    "https://kafka.apache.org/documentation/",
    "https://kafka.apache.org/documentation/#semantics",
    "https://docs.spring.io/spring-kafka/reference/"
  ],
  "security_notes": "Static review only — reads producer/consumer code, Kafka client configuration (acks, enable.idempotence, transactional.id, isolation.level, max.poll.* settings), topic durability settings, and sanitized application config; never opens a broker connection, produces/consumes a live message, creates/alters/deletes a topic, or runs a consumer group against a live cluster. Never requests broker bootstrap credentials, SASL/mTLS secrets, tenant identifiers, or customer data — ask for source and config with placeholders.",
  "last_verified": "2026-07-17",
  "path": "skills/java/java-kafka-reliability",
  "author": "github: VincentChuWaiChow"
}