vite

vite is a skill for Claude Code, Codex from uni-helper/skills. It costs 36 tokens per session (689 once invoked), scanned A, a copy of vite, MIT.

A guide for Vite, a frontend build tool that runs a development server and prepares browser code for production.

In plain words
What is it for?
Configuring Vite, using its command-line tools, setting up plugins, handling assets and environment variables, and working with CSS, imports, and hot module replacement (updates shown without a full page reload).
Why use it?
It helps developers get quick feedback while editing and produce optimized builds from TypeScript, JSX, CSS, HTML, and other frontend files.

Skill for Claude CodeCodex

Written for no agent in particular: nothing here depends on one.

Good fit Configuring Vite, using its command-line tools, setting up plugins, handling assets and environment variables, and working with CSS, imports, and hot module replacement (updates shown without a full page reload).

Compare 6 skills from other repositories ↓
Install with agentmods
npx agentmods add skills/uni-helper/skills/vite
Install

Getting it into your agent

One page per mod, every tool's command on it. A separate URL per tool would split the same page into five that compete with each other.

Any agent
npx skills add uni-helper/skills --skill vite
Clone the repo
git clone --depth 1 https://github.com/uni-helper/skills

Made for: Claude Code, Codex.

Wrote this? Show the measurements

A badge with what this costs and how it scanned, read live from this page, so it follows the numbers instead of freezing them. Markdown for a README, HTML for a documentation site or a project page.

agentmods badge for vite

README.md
[![agentmods](https://agentmods.dev/badge/skills/uni-helper/skills/vite.svg)](https://agentmods.dev/skills/uni-helper/skills/vite)
Your own site
<a href="https://agentmods.dev/skills/uni-helper/skills/vite"><img src="https://agentmods.dev/badge/skills/uni-helper/skills/vite.svg" alt="Measured on agentmods" height="20"></a>
Per session 36 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 689 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 0 findings. A grade says what 26 rules found in the file — not that it is safe. Third-party audits
  • Socket pass 18 Mar 2026
  • Snyk pass 15 Feb 2026
How audits are shown
Origin 100% copy Near-identical to another mod in the catalogue.
Token cost

What it costs to keep this loaded

Counted locally with the o200k_base tokenizer, which is exact for GPT models; Claude uses its own tokenizer and its counts differ. Treat this as one consistent yardstick across the catalogue rather than a bill. Prices are per million input tokens.

ModelPer sessionOnce invoked
Fable 5.1 $0.00036 $0.00689
Opus 5 $0.00018 $0.00345
Sonnet 5 $0.00007 $0.00138
Haiku 4.5 $0.00004 $0.00069

Measured 8d ago against content hash 996d3a8c7e55, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-07, from the pricing page.

Security

Grade A, and why

vite scanned grade A with 0 findings against 26 rules in 11 categories — prompt injection, anti-refusal, data exfiltration, privilege escalation, supply chain, agent snooping, system-prompt leakage, SSRF and excessive agency — measured 8d ago.

A static scan of the body, not an audit. Every finding is printed with the line that produced it so you can judge whether it matters here. A mod is markdown that instructs an agent; that is exactly why what it instructs is worth reading.

Nothing flagged

None of the 26 patterns this scan looks for appear in this file: no shell pipes, no recursive deletes, no credential paths, no hidden text, no instruction-override or anti-refusal phrasing, no agent-config snooping. That is not a guarantee, it is the absence of the things that are checkable.

Origin

This is a copy

100% identical to vite — 0 lines differ, which has more behind it and is treated as the original. This page carries a canonical link to it rather than competing with it.

skills/vite/SKILL.md · 51 lines

How it starts

The opening of the file, as written. The whole thing — 51 lines — stays where its author put it; the contents beside it link to each section on GitHub.

Vite is a modern build tool for frontend development featuring instant server start with native ES modules, lightning-fast HMR, and optimized production builds using Rolldown/Rollup. It supports TypeScript, JSX, CSS pre-processors out of the box and has a rich plugin ecosystem.

The skill is based on Vite 6.x, generated at 2026-01-28.

Core

Topic Description Reference
Configuration Config file setup, defineConfig, conditional and async configs core-config
CLI Commands Dev server, build, preview commands and options core-cli
Core Features TypeScript, JSX, CSS, HTML processing, JSON handling core-features
Using Plugins Adding, configuring, and ordering plugins core-plugins

Features

Topic Description Reference
CSS Handling CSS modules, pre-processors, PostCSS, Lightning CSS features-css
Static Assets Asset imports, public directory, URL handling features-assets
Glob Import import.meta.glob, dynamic imports, batch loading features-glob-import
Environment Variables .env files, modes, import.meta.env constants features-env
HMR API Hot Module Replacement client API features-hmr
Web Workers Worker imports and configuration features-workers
Dependency Pre-Bundling optimizeDeps, caching, monorepo setup features-dep-bundling

Build

Topic Description Reference
Production Build Build options, browser targets, multi-page apps build-production
Library Mode Building libraries with proper package exports build-library
SSR Server-side rendering setup and configuration build-ssr

Read the full file on GitHub · 51 lines

Changes

What this file has done since we first saw it

Hashed on every crawl. A supply-chain change to an agent config is a question of when, not whether, so the history is kept rather than the latest state alone.

  1. 8d ago First seen · 51 lines · 36 tokens per session scan A 996d3a8c7e55

Subscribe to this mod's changes

vite is a skill published in the GitHub repository uni-helper/skills (103 stars, last pushed 6mo ago), licensed MIT. It adds 36 tokens to every session and 689 once invoked, about $0.0002 per session on Opus 5. A static security scan graded it A with 0 findings. It is 100% identical to vite, differing in 0 lines, and is treated as a copy.

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