Contract To Interface · etteee bundle Convert an externally defined service contract into generated interface and DTO code, verify that the owning service compiles, and enforce that Apache ServiceComb contract code is not handwritten or committed. Use during implementation when adding or changing a service's externally exposed HTTP/API interface requires fetching its authoritative contract through MCP, invoking a custom Swagger Codegen CLI, compiling generated sources, or configuring commit-time checks for ServiceComb providers, consumers, and DTOs.