KIP-905 — Broker interceptors

Discussion Broker

Proposes a `BrokerInterceptor` plugin point on the broker side that allows platform teams to inject cross-cutting logic (schema validation, serialization enforcement, privacy checks) into the produce/consume path without requiring changes to polyglot client libraries. Enforcing platform standards across diverse client languages today requires maintaining duplicate library extensions in every supported language, which is operationally expensive and error-prone.

Protocol Impact

Produce

Details