react-expert

react-expert is an agent for Claude Code from LeeYudok/doksam-skills. It costs 0 tokens per session (11 once invoked), scanned A, original, MIT.

A coding-agent guide focused on React, a JavaScript library for building user interfaces.

In plain words
What is it for?
It helps with tasks involving React components and applications. The input does not provide more specific capabilities.
Why use it?
It gives the agent project-specific guidance for React work, instead of relying only on general coding knowledge.

Agent for Claude Code

Written for Claude Code: installed under .claude/.

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 agents/leeyudok/doksam-skills/react-expert
Clone the repo
git clone --depth 1 https://github.com/LeeYudok/doksam-skills

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 react-expert

README.md
[![agentmods](https://agentmods.dev/badge/agents/leeyudok/doksam-skills/react-expert.svg)](https://agentmods.dev/agents/leeyudok/doksam-skills/react-expert)
Your own site
<a href="https://agentmods.dev/agents/leeyudok/doksam-skills/react-expert"><img src="https://agentmods.dev/badge/agents/leeyudok/doksam-skills/react-expert.svg" alt="Measured on agentmods" height="20"></a>
Per session 0 Only the description is in the session, so the agent can decide to use it. The body loads when it is invoked.
When invoked 11 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 0 findings. Scan, not verified.
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 $0.00000 $0.00011
Opus 5 $0.00000 $0.00005
Sonnet 5 $0.00000 $0.00002
Haiku 4.5 $0.00000 $0.00001

Measured 5d ago against content hash 13fae5e03e70, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-05, from the pricing page.

Security

Grade A, and why

react-expert 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 5d 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.

.claude/agents/react-expert.md · 1 lines

What it actually says

../../skills/react-expert/agents/claude.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. 5d ago First seen · 1 lines · 0 tokens per session scan A 13fae5e03e70

Subscribe to this mod's changes

react-expert is an agent published in the GitHub repository LeeYudok/doksam-skills (10 stars, last pushed 13d ago), licensed MIT. It costs nothing until one of its globs matches a file; then it loads 11 tokens. A static security scan graded it A with 0 findings. No closer match exists in the catalogue, so it is treated as the original; first seen 2026-08-31.

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