grpc-interceptor-test-author

Overview

gRPC interceptors apply cross-cutting behavior (auth, retry, logging, error mapping) to every RPC without touching service logic. They are one of the primary sources of subtle gRPC bugs: silent metadata drops, wrong ordering in a chain, and retry storms that ignore backoff. This skill produces isolated unit tests for each interceptor behavior.

Per the gRPC interceptors guide, interceptors are "per-call" and are split into client-side and server-side variants, each further divided into unary and streaming forms.

Differentiation from sibling skills: