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Four hero images for the same post, made by Codex in June, Codex, Claude, and CopilotFour hero images for the same post, made by Codex in June, Codex, Claude, and Copilot

Four agents, one hero image

Every hero image on this blog follows a pattern Codex set in June. I gave the same brief to Codex, Claude, Copilot, and Google for one post and got four different answers. A tighter brief to Codex, now a skill, fixed it.

pinned posts

Diagram illustrationDiagram illustration

diagrams with React Flow

demonstrating static and interactive diagrams using React Flow

Astro Components illustrationAstro Components illustration

astro components

A tour of the Astro Components collection - a small set of self-contained npm packages that add diagrams, theming, and version notes to Astro 6+ sites, each usable as a plain component or a one-line integration.

Astro Theme Toggle iconAstro Theme Toggle icon

astro theme toggle

A deep dive into @sjohansson/astro-theme-toggle - an SSR-friendly Astro theme system with light, dark, high-contrast, and color-vision modes, no flash of the wrong theme, and theming driven by either inline variables or data attributes.

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26/09/2026, 8:26:40 pm

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