StewardAI

Smart Ideas

Apps that solved an old problem from a completely new angle — UX, AI, or game mechanics.

· 7 min

GitHub organization avatar for Comfy Org, the team behind the node-based AI image generation engine ComfyUI

ComfyUI: How Node-Based AI Image Generation Works

ComfyUI swaps the single AI prompt box for node-based AI image generation — a visual graph monetized with paid partner nodes and a cloud version on a free core.

  • #ai
  • #design

· 8 min

GitHub avatar of Cathryn Lavery, creator of the Diagram Design AI skill that turns chat answers into editorial diagrams

Diagram Design: How the AI Diagram Skill Works

Diagram Design is a free, open-source AI skill with 52.6k stars that forces Claude and Codex to follow numeric design rules instead of default styling.

  • #ai
  • #design

· 5 min

A hand-sketched diagram with boxes and arrows drawn on paper, the look Excalidraw recreates on a digital canvas

How Excalidraw's Hand-Drawn Whiteboard Works (Rough.js)

Here's how Excalidraw's hand-drawn whiteboard works: not a font trick, but Rough.js, an open-source library that randomizes every line — verified in its code.

  • #design
  • #devtools

· 5 min

A hand-written checklist and planner on a desk — the paper habit tracker Habitica's gamified RPG design replaces

Habitica: The Gamified Habit Tracker Built Like an RPG

Habitica is a gamified habit tracker that makes you lose HP for skipped habits and earn gold for the ones you keep — the mechanic behind why it works.

  • #productivity
  • #design

· 6 min

Marketer reviewing an AI workflow dashboard on a laptop

AI Automation for Marketers in 2026: A Field Guide

What AI automation means for marketers in 2026, where it pays off fastest, and the workflows worth building first. Written for the person doing the work.

  • #deep-dive
  • #for-marketers