AI Agent Skill to generate and render beautiful Mermaid diagrams as SVG or terminal ASCII — 15 themes, 6 diagram types, batch CLI, no browser.

Agent skill for AI trip planning (Claude Code · Codex · Gemini CLI · Cursor · Copilot · any SKILL.md agent) — verified, bookable itineraries: hour-by-hour days, real flight prices, offline KML maps, eight themed page designs · 旅行规划 / 行程 / 机票比价

Touhou-inspired Agent Skills: distinct, testable, composable problem-solving workflows.

Production-Stage Visual Design & In-Codebase UI Engineering Suite