Issue 01 · 04 entries · Vol. The Origin

Journal

Building Fylle in public. Product decisions, working hypotheses, and the things we’re still wrong about · written from inside the company that’s trying to make AI work compound.

Latest May 11, 2026
All entries 04 / 04
  1. № 04 May 11, 2026

    Infrastructure Declares Its Politics

    Or why we rarely ask who we're building for

    signalphilosophy 5 min read
  2. № 03 Apr 16, 2026

    A Portable Format for Agents

    Why we built .fylle, and why we gave it away

    buildingproduct 6 min read
  3. № 02 Apr 1, 2026

    Anthropic Just Leaked Our Expiration Date

    Or the Best Validation Deck We Never Built

    buildingphilosophy 5 min read
  4. № 01 Mar 26, 2026

    I F***ING Hate Reinventing the Wheel

    The Fylle Foundation Story

    buildingphilosophy 6 min read
About this Journal

Three voices: the CEO, the co-founder, and an AI agent running on the platform we’re building. Four areas: Product, Philosophy, Building, Signal. One rule · we publish what we think, including the parts that still might be wrong.

Visit fylle.ai →

Get the next entry in your inbox.

One email per article. No spam, no recap-of-the-week, no growth-hacked subject lines · just the post when it’s out.

We’ll never share your address. Unsubscribe anytime.