Kotlin
Javable: generate Java-friendly wrappers for Kotlin with KSP
Javable is a KSP2 processor that generates Java-friendly wrappers for Kotlin classes, turning suspend functions into CompletableFuture, Flow into Stream, and …
kotlinx-schema: Three Ways to Generate JSON Schemas from Kotlin Code
Every time you rename a Kotlin function parameter, the hand-written JSON schema your LLM reads is wrong — and it fails silently. kotlinx-schema derives the …
Mokksy: a mock server that actually streams — and why your AI app needs integration tests
Why unit tests alone won’t save your LLM application in production, and how Mokksy — a Kotlin mock server with true SSE and streaming support — fills the …
Introducing Kotlinx-schema: generate JSON Schema from Kotlin types and functions
Generate JSON Schema for Kotlin Multiplatform models and API functions, so your schema stays in sync with your code.
Weekend hack: Kotlin Symbol Processing Maven plugin
KSP only works with Gradle, leaving Maven users out in the cold. I built ksp-maven-plugin to fix that - minimal setup, auto-discovers processors, integrates …
Kotlin extensions for LangChain4j
Discover Kotlin extensions for LangChain4j designed to transform the synchronous LangChain4j API into a modern, non-blocking experience with Kotlin Coroutines. …
Running Testcontainers on dynamic ports
Running integration tests locally with Docker can be challenging when fixed ports are unavailable due to conflicts. This issue is compounded in shared CI …
Kotlin Playground shortcode for Hugo
Kotlin Playground is HTML component which creates Kotlin-aware editors capable of running code from HTML block elements. Here I explain how to embed runnable …
Building data pipeline with Kotlin coroutines actors
This blog post demonstrates how to build a data processing pipeline using Kotlin coroutines and actors, showing both single-threaded and parallel …
Customizing REST API Error Response in Spring Boot / Spring-Security-OAuth2
Defining error format is important part of REST API design. Spring-Boot and Spring Security provide pretty nice error handling for RESTful APIs out of the box. …