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ui: Instructions file for Claude Code

CLAUDE.md

ui CLAUDE.md is an instructions file for Claude Code from nuxt/ui. It costs 26 tokens per session, scanned C, original, MIT.

Project instructions for nuxt/ui, a Vue user-interface library built with Reka UI and Tailwind CSS.

In plain words
What is it for?
Use them when changing, reviewing, or extending nuxt/ui components and related project files.
Why use it?
They give an AI coding assistant project-specific context when working in the library's codebase.

Instructions file for Claude Code

Written for Claude Code: the file is CLAUDE.md. Also seen: mentions CLAUDE.md; mentions Claude Code; mentions AGENTS.md.

This is nuxt/ui's own configuration. It tells Claude Code how to work on ui itself, so it is not a mod to install elsewhere. Copy it as a starting point and replace the rules that are about this project. Everything ui configures →

not rated 7.1krepo +14 yesterday C scan 26 tokens original MIT
View source ↗ nuxt/ui ui.nuxt.com
About the project

Nuxt UI is a Vue component library for building user interfaces with Reka UI, Tailwind CSS, and Tailwind Variants. Vue and Nuxt developers use its components and templates to create applications such as dashboards, documentation sites, portfolios, and chat interfaces. Catalogue add-ons provide instructions and a skill for working with the library.

nuxt/ui · 7,056 stars · on GitHub · ui.nuxt.com

Reuse

Borrowing it

Nothing to install: this file belongs to nuxt/ui. Take a copy, put it at the same path in your own repository, and replace the rules that are about this project with yours.

Copy the file
curl -O https://raw.githubusercontent.com/nuxt/ui/v4/CLAUDE.md
Clone the repo
git clone --depth 1 https://github.com/nuxt/ui

Made for: Claude Code.

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 ui CLAUDE.md

README.md
[![agentmods](https://agentmods.dev/badge/instructions/nuxt/ui/claude-md/github.svg)](https://agentmods.dev/instructions/nuxt/ui/claude-md)
Your own site
<a href="https://agentmods.dev/instructions/nuxt/ui/claude-md"><img src="https://agentmods.dev/badge/instructions/nuxt/ui/claude-md/github.svg" alt="Measured on agentmods" height="20"></a>

Or the 80×15 button, for a site that already has a row of RSS and ATOM ones. Only the verdict fits; the numbers stay here.

agentmods 80×15 button for ui CLAUDE.md

Your own site · 80×15
<a href="https://agentmods.dev/instructions/nuxt/ui/claude-md"><img src="https://agentmods.dev/badge/instructions/nuxt/ui/claude-md.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 26 This file is loaded in full into every session.
When invoked 26 The same file — it is already loaded in full.
Security scan C 1 finding. A grade says what 26 rules found in the file — not that it is safe.
Origin original No closer match found 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 $0.00026 $0.00026
Opus 5.5 $0.00010 $0.00010
Sonnet 5.5 $0.00005 $0.00005
Haiku 4.5 $0.00003 $0.00003

Measured 2mo ago against content hash a07f6512fb1a, method: parsed. Prices are Anthropic first-party input rates as of 2026-10-07, from the pricing page.

Security

Grade C, and why

ui CLAUDE.md scanned grade C with 1 finding 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 2mo 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.

Hidden instructionshighPrompt injection

Directives inside HTML comments, invisible characters or bidirectional overrides are read by the model and not by the person reviewing the file.

<!-- Claude Code only auto-loads CLAUDE.md, so this imports the shared agent instructions. -->
CLAUDE.md · 4 lines

What it actually says

@AGENTS.md

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. 2mo ago First seen · 4 lines · 26 tokens per session scan C a07f6512fb1a

Subscribe to this mod's changes

ui CLAUDE.md is an instructions file published in the GitHub repository nuxt/ui (7,056 stars, last pushed yesterday), licensed MIT. It adds 26 tokens to every session, about $0.0001 per session on Opus 5.5. A static security scan graded it C with 1 finding (hidden instructions). No closer match exists in the catalogue, so it is treated as the original; first seen 2026-08-30.

FrontendVue and Sveltenuxtnuxt-modulereka-uitailwindcssuivue
Related

ui CLAUDE.md compared with instructions from other repositories

ui CLAUDE.md next to 6 instructions from other repositories
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ui CLAUDE.mdnuxt/uiInstructions file7.1kyesterdayMITC26Claude Code
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deepseek-harness AGENTS.mddeepseek-ai/deepseek-harnessInstructions file274k2d agoMITA4,313Codex, OpenCode