react

A set of guidelines for writing React interfaces, including component props, Effects, Tailwind CSS version 4, and shared UI components.

In plain words
What is it for?
It guides the implementation and review of React components using the project's UI library, CSS variables, and Tailwind v4 conventions.
Why use it?
It reduces inconsistent React code and helps avoid common problems with Effects, styling, and component usage.

Skill for Claude CodeCodex

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.

agentmods
npx agentmods add skills/udecode/plate-template/react
Any agent
npx skills add udecode/plate-template --skill react
Clone the repo
git clone --depth 1 https://github.com/udecode/plate-template

Made for: Claude Code, Codex.

Per session 27 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 8,601 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 0 findings. Scan, not verified.
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 $0.00027 $0.08601
Opus 5 $0.00014 $0.04300
Sonnet 5 $0.00005 $0.01720
Haiku 4.5 $0.00003 $0.00860

Measured 3d ago against content hash 70194356ef8d, method: parsed. Prices are Anthropic first-party input rates as of 2026-08-30, from the pricing page.

Security

Grade A, and why

react 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 3d 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 react — 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.

.agents/skills/react/SKILL.md · 1,210 lines

How it starts

The opening of the file, as written. The whole thing — 1,210 lines — stays where its author put it; the contents beside it link to each section on GitHub.

Requirements

  • Always use destructured props in function parameters
  • Define TypeScript types inline with the destructured props
  • Avoid creating separate interfaces for component props
  • Avoid non-destructured props that require additional destructuring inside the component
  • Use available UI components from the component library
  • Use CSS variables from globals.css for consistent theming
  • Use Tailwind v4 syntax (see Tailwind v4 Syntax)
  • DO NOT add icon margin in Button, DropdownMenuItem: use gap-2 instead
  • Use useEffectEvent to extract non-reactive logic from Effects (see Separating Events from Effects)
  • NEVER suppress the dependency linter with eslint-disable - use useEffectEvent instead
  • Use custom breakpoint syntax for responsive design (see App-Specific Rules)

Tailwind v4 Syntax

  • Inline opacity: Use / for opacity (bg-black/50 text-white/80)
    • v3: bg-black bg-opacity-50 text-white text-opacity-80
    • Removed: bg-opacity-*, text-opacity-*, border-opacity-*
  • Renamed utilities: shadow-smshadow-xs, rounded-smrounded-xs, blur-smblur-xs
  • CSS variables: Use parentheses bg-(--brand-color) instead of brackets bg-[--brand-color]
  • Important modifier: Exclamation mark at the end (size-5!) instead of beginning (!size-5)
  • Descendant selectors: Use **: for all descendants (replaces [&_*]:) and *: for direct children (replaces [&>*]:)
    • All descendants: **:px-4 instead of [&_*]:px-4
    • Direct children: *:px-4 instead of [&>*]:px-4
    • Element filtering: *:[a]:underline instead of [&>a]:underline, **:[a]:underline instead of [&_a]:underline
    • Data attributes: *:data-[slot=field-label]:flex-auto instead of *:[[data-slot=field-label]]:flex-auto. Keep [[data-...]] if there are other selectors.
    • Context-aware (in-): in-data-[slot=tooltip-content]:text-background instead of [[data-slot=tooltip-content]_&]:text-background
  • Composable variants: Chain variants together (group-has-data-selected:opacity-100, data-highlighted:ring-2)
  • Canonical classes: Always prefer built-in utilities over arbitrary values (e.g., w-full instead of w-[100%], translate-x-full instead of translate-x-[100%])
  • Default changes: Border color now currentColor (was gray-200), ring width now 1px (was 3px)

Read the full file on GitHub · 1,210 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. 3d ago First seen · 1,210 lines · 27 tokens per session scan A 70194356ef8d

Subscribe to this mod's changes

react is a skill published in the GitHub repository udecode/plate-template (59 stars, last pushed 2mo ago), licensed MIT. It adds 27 tokens to every session and 8,601 once invoked, about $0.0001 per session on Opus 5. A static security scan graded it A with 0 findings. It is 100% identical to react, differing in 0 lines, and is treated as a copy.

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