Skill Claude CodeCodex
Create new skills, modify and improve existing skills, and measure skill performance. Use when users want to create a skill from scratch, edit, or optimize an existing skill, run evals to test a skill, benchmark skill performance with variance analysis, or optimize a skill's description for better triggering accuracy.
Agent Codex
Analyze blind comparison results to understand WHY the winner won and generate improvement suggestions.
Agent Codex
Compare two outputs WITHOUT knowing which skill produced them.
Agent Codex
Evaluate expectations against an execution transcript and outputs.
Settings file Claude Code
Agent settings declaring 1 allowed tools.
Skill Claude CodeCodex
Write alt text and alternative descriptions for data visualizations — charts, graphs, maps, and other figures. Use this skill whenever the user asks for alt text, alternative text, image descriptions, or accessibility text for any kind of data visualization, plot, figure, chart, or graph. Also use it when the user…