Mushi Mushi Blog https://kensaur.us/mushi-mushi/docs/blog Notes from building Mushi Mushi — the real numbers behind the funnel, open-source licensing, launches, and how AI-built apps get debugged in practice. en Mon, 21 Sep 2026 00:00:00 GMT I shipped a bug tool for 5 months and got 9 signups. Here's what the data said. https://kensaur.us/mushi-mushi/docs/blog/nine-signups-what-the-data-said https://kensaur.us/mushi-mushi/docs/blog/nine-signups-what-the-data-said Five months after launch, Mushi Mushi had 30 npm packages, an MCP server in every registry and nine signups. What the data said, and what changed. Kenji Sakuramoto Mon, 21 Sep 2026 00:00:00 GMT Mushi goes AGPLv3 — the honest open source story https://kensaur.us/mushi-mushi/docs/blog/agplv3-relicense https://kensaur.us/mushi-mushi/docs/blog/agplv3-relicense Why Mushi Mushi relicensed its server to AGPLv3 while keeping every SDK MIT — the open-core reasoning, what changes for self-hosters, and what stays free. Kenji Sakuramoto Wed, 17 Jun 2026 00:00:00 GMT Launch Week 1 — five features, five days https://kensaur.us/mushi-mushi/docs/blog/launch-week-1 https://kensaur.us/mushi-mushi/docs/blog/launch-week-1 Everything Mushi Mushi shipped in Launch Week 1 — one feature a day, from bug-report capture to editor-ready fixes, with demos and setup commands. Kenji Sakuramoto Wed, 17 Jun 2026 00:00:00 GMT 60 seconds from "this is broken" to a draft PR — building Mushi Mushi https://kensaur.us/mushi-mushi/docs/blog/auto-fix-loop https://kensaur.us/mushi-mushi/docs/blog/auto-fix-loop How Mushi Mushi turns a one-sentence user complaint into a classified, deduped, AI-judged draft PR, and why the human stays in the loop the whole way. Kenji Sakuramoto