ByeongminLee/nextjs-claude-code

ByeongminLee/nextjs-claude-code

Skill Claude CodeCodex

Structured brainstorming and design process. Enforces exploration and user approval before any implementation. Covers project context analysis, approach proposals, design documentation, and spec review.

ByeongminLee/nextjs-claude-code

Skill Claude CodeCodex

Advanced Claude Code usage guide covering token optimization, memory/context management, subagent architecture, parallelization strategies, verification loops, continuous learning, environment setup, workflow patterns, and agentic security. Use this skill whenever the user asks about Claude Code tips, best practices…

ByeongminLee/nextjs-claude-code

Skill Claude CodeCodex

Reference guide for major Claude Code plugins and spec-driven development tools. Covers GSD, gstack, Everything Claude Code, Oh My OpenAgent, Superpowers, Vercel Plugin, Spec Kit, and OpenSpec. Use this skill when the user asks about Claude Code plugins, plugin comparisons, spec-driven development (SDD), workflow…

ByeongminLee/nextjs-claude-code

Skill Claude CodeCodex

Write persuasive marketing copy for web pages. Covers homepage, landing page, pricing page, and feature page copy with frameworks for headlines, CTAs, and conversion-focused structure.

ByeongminLee/nextjs-claude-code

Skill Claude CodeCodex

Helps users discover and install agent skills when they ask questions like "how do I do X", "find a skill for X", "is there a skill that can...", or express interest in extending capabilities. This skill should be used when the user is looking for functionality that might exist as an installable skill.

ByeongminLee/nextjs-claude-code

Skill Claude CodeCodex

When the user wants to apply psychological principles, mental models, or behavioral science to marketing. Also use when the user mentions 'psychology,' 'mental models,' 'cognitive bias,' 'persuasion,' 'behavioral science,' 'why people buy,' 'decision-making,' 'consumer behavior,' 'anchoring,' 'social proof,'…

ByeongminLee/nextjs-claude-code

Skill Claude CodeCodex

Run NCC plugin E2E tests. Supports quick (4 projects), full (4+monorepo+modifications), install-test (npx vs marketplace with non-spec-dev focus), or custom test modes. Validates spec→dev flow, skills, hooks, code quality, security, a11y, and token efficiency.

ByeongminLee/nextjs-claude-code

Skill Claude CodeCodex

Product strategy frameworks for startup and product teams. Covers vision, competitive analysis (Porter, PESTLE), market sizing, SWOT, personas, BMC, Lean Canvas, pricing, PRD, and user stories.

ByeongminLee/nextjs-claude-code

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.