point-in-time skills

artherahq/skills

Skill Claude CodeCodex

A prompt-writing guide for creating minimal editorial or zine-style poster images about any subject. It turns a theme, sentence, mood, or brief into a focused image prompt.

artherahq/skills

Skill Claude CodeCodex

A research rulebook for using only information that would have been available at each moment in a historical investment test. A backtest is a simulation of how an investment strategy would have performed in the past.

artherahq/skills

Skill Claude CodeCodex

A method for finding real icons, images, logos, avatars, and empty-state artwork for a website or app. It favors fetched or properly sourced assets over invented SVG shapes, emoji, or unsuitable stock images.