Today I have published my first really big Kotlin ...

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[Michael Paus]

Today I have published my first really big Kotlin multiplatform OSS project.
github.com/mipastgt/kts
It is a port of the famous Java Topology Suite (JTS) to Kotlin multiplatform.
This was a really interesting project because I tried this port already several times
before but always failed due to the complexity and size of the project. It has more than
600 classes and 2100 tests. Only now, with the help of Claude Opus 4.8, I was able to
successfully finish this project. I failed miserably before with tools like J2K. This
time I directed Claude to do the whole conversion without the help of any external tools
and I succeeded. It took about 20 hours of pure computation time but in the end the result
passed all original tests. In retrospect I can say that the flexibility of an AI agent
like Claude is the key enabler and I'd never use a static tool like J2K
again for such a task.

[Stefan Oltmann]

I find Claude Opus 4.8 the first actually usable AI that isn't writing garbage code all the time.

In my experiments with it it found a lot of the subtle bugs MiniMax 2.7, OpenAI Codex and even Claude Sonnet introduced.

Unfortunately the actual Opus quota on the $20 plan is extremely limited.