public launch ledger
Madman Studio
A public record of what I build, keep alive, shut down, and learn after launch.
latest files
Current board
The newest live files, articles, and postmortems worth inspecting.
Live Index
See what's liveNotes
Read articles- Jun 02, 2026 AI Builds in a Weekend. Review Takes a Month. Building is no longer the slow part of a launch — the platform's human review queue is.
- May 18, 2026 My Rules for Shipping Rules for launching small products before the idea becomes too expensive to question.
- May 18, 2026 The Graveyard Is Part of the Studio Why shutdowns should stay visible instead of disappearing from the story.
Graveyard
Inspect tombstones- Mar 2025 Needles.AI Free to use and run on the cheapest hardware I could hand-build from ex-mining parts — but the model layer had become a capital game, and you cannot thrift your way to a training cluster.
- Feb 2016 MeAri A post's clock rose with likes and fell with dislikes — but with no crowd to vote, nothing earned more time, so the feed curated itself down to an empty room.
human source
Marcus Ka
Korean solo founder based in Seoul. I build and run small digital products in public — live, dead, and paused.