Serra – A Magic

Show HN: Serra – A Magic: The Gathering life counter using DRM/KMS

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Hi folks!I built this over the past few weeks for a cross-company CTF I was participating in. It was mostly an experiment to learn about CTFs, MCP servers, Kali Linux, Claude Code, and really just how far LLMs can go in a given domain.It's basically just an MCP server (for integrating with the CTF server APIs, providing notes, and a few other niceties) paired with a Kali Linux-based Docker image that has Claude Code installed, plus a custom slash command [1] to tie it all together.It performed admirably during the CTF I tried it on, it was able to zero-shot solve maybe 10 or so of the simpler challenges, and provided substantial assistance on another 5 or 6 before getting stuck. It didn't st

Serra – A Magic is positioned in show hn launch, a segment that rewards a clear, focused offering.

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Website: git.sr.ht/~cmt/serra