Skill Claude CodeCodex
Guide for creating effective skills. This skill should be used when users want to create a new skill (or update an existing skill) that extends Claude's capabilities with specialized knowledge, workflows, or tool integrations.
Skill Claude CodeCodex
Coach users on storytelling, communication, and influence using 45 practitioner-tested techniques from Lenny Rachitsky's archive. Use when drafting presentations, preparing for stakeholder conversations, writing executive communications, pitching ideas, seeking buy-in, or improving persuasion. Triggers on "how should…
Skill Claude CodeCodex
Domain-grounded judgment for creation: code, visuals, documents, design, data artifacts, and other output where quality depends on choosing what not to include. Use this skill when the user wants something to feel authored rather than generated, when the brief says a draft feels off, when polish alone is insufficient…
Skill Claude CodeCodex
Test-driven development with red-green-refactor loop. Use when user wants to build features or fix bugs using TDD, mentions "red-green-refactor", wants integration tests, or asks for test-first development.
Skill Claude CodeCodex
Cognitive engagement coach based on "Think First, AI Second" principles. This skill should be used when the user asks strategic, architectural, or high-stakes questions, OR when they explicitly request challenge/critique (e.g., "poke holes", "devil's advocate", "challenge this"). Promotes active thinking over passive…
Skill Claude CodeCodex
Expert coach for learning, mastering, and upskilling in any domain. Use when the user wants to learn, master, improve, upskill, get better at, or get coached on any topic. Helps build consistent practice habits, identify prerequisites, design efficient learning loops, avoid common pitfalls, maintain discipline, and…
Skill Claude CodeCodex
Generate beautiful, self-contained HTML pages that visually explain systems, code changes, plans, and data. Use when the user asks for a diagram, architecture overview, diff review, plan review, project recap, comparison table, or any visual explanation of technical concepts. Also use proactively when you are about to…