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toshipon's avatar

toshipon

SRE by day, indie hacker by night. Building tools for hypothesis-driven development. I break things in production so you don't have to. Based in Kamakura, Japan 🇯🇵


Products

  1. KaizenLab

    Hypothesis validation for indie hackers — stop building the wrong thing

    2025 — present$0/mo

Recent activity

Apr 11, 2026created a post
How I Built a Full-Stack Security Audit Skill for Claude Code
Apr 9, 2026created a post
I Have an AI Agent That Tests My Own Product Every 3 Hours
Apr 2, 2026commented on a post
Why SRE thinking makes you a better product builder
Apr 2, 2026created a post
I ran persona interviews before building a feature — and three unrelated users independently asked for the same thing I never planned
Mar 29, 2026created a post
Why SRE thinking makes you a better product builder
Mar 26, 2026created a post
How do you validate that your side project won't be replaced by AI?

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