Overview

I've been using Vue.js since the early days, long enough that "Evangelion" sounds like a release date, not an anime. I've published material about it, shipped updates, built projects, and lived through every major release: 1.0, 2.0, the long 2.x tail, the 3.0 rewrite, and now the Vapor Mode era. Vue is my workhorse. It still is.

So when I started building my open-source AI agent setup, I did the practical thing: I wrote down everything I know about Vue so the agent doesn't have to learn it the hard way. That document became the vue-expert skill, and it now lives in two places, the Spellbook of Skill collection and the web-dev-agent repository.

In this article: what the skill contains, how a decade of releases shaped it, and how you can adopt it (or write your own).

Let's dive in!

What Is vue-expert?

vue-expert is a loadable agent skill, a SKILL.md plus reference files, that encodes Vue 3 / Nuxt conventions: Composition API with <script setup> , typed props/emits, composables, Pinia stores, and…