Uni Blog https://wvlet.org/uni/blog/ 2026-10-27T00:00:00Z Introducing Uni: One Scala 3 Library for the Whole App https://wvlet.org/uni/blog/introducing-uni 2026-10-27T00:00:00Z 2026-10-27T00:00:00Z Taro L. Saito Uni is one Scala 3 library with one set of conventions for object wiring, logging, object serialization (JSON and MessagePack), HTTP, typed RPC, MCP servers, Rx, CLI tools, and testing, on the JVM, Scala.js, and Scala Native. It is the Scala 3 successor of Airframe and is built to be read by AI coding agents as well as people.