react-redux-boilerplate: Instructions file for Codex

AGENTS.md

react-redux-boilerplate AGENTS.md is an instructions file for Codex, OpenCode from marcoturi/react-redux-boilerplate. It costs 1,682 tokens per session, scanned A, original, MIT.

Repository instructions for a React 19 starter project, including its tools, folder conventions, setup commands, tests, browser tests, and code checks. A boilerplate is a prepared project used as a starting point.

In plain words
What is it for?
Use it to install dependencies with pnpm, start or build the app, run unit and end-to-end tests, generate environment files, and use the project’s formatting and type-checking tools.
Why use it?
It gives coding agents the exact project workflow and test expectations, reducing setup mistakes and inconsistent changes.

Instructions file for CodexOpenCode

Written for Codex and OpenCode: the file is AGENTS.md. Also seen: mentions AGENTS.md.

This is marcoturi/react-redux-boilerplate's own configuration. It tells Codex and OpenCode how to work on react-redux-boilerplate 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 react-redux-boilerplate configures →

Reuse

Borrowing it

Nothing to install: this file belongs to marcoturi/react-redux-boilerplate. 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/marcoturi/react-redux-boilerplate/main/AGENTS.md
Clone the repo
git clone --depth 1 https://github.com/marcoturi/react-redux-boilerplate

Made for: Codex, OpenCode.

Wrote this? Show the measurements

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README.md
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Per session 1,682 This file is loaded in full into every session.
When invoked 1,682 The same file — it is already loaded in full.
Security scan A 0 findings. 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 $0.01682 $0.01682
Opus 5.5 $0.00673 $0.00673
Sonnet 5.5 $0.00336 $0.00336
Haiku 4.5 $0.00168 $0.00168

Measured 1mo ago against content hash 198335034a0e, method: parsed. Prices are Anthropic first-party input rates as of 2026-10-07, from the pricing page.

Security

Grade A, and why

react-redux-boilerplate AGENTS.md 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 1mo 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.

AGENTS.md · 131 lines

How it starts

The opening of the file, as written. The whole thing — 131 lines — stays where its author put it; the contents beside it link to each section on GitHub.

AGENTS.md

Project overview

Production-ready React 19 boilerplate using vertical slice architecture. The stack is React 19 + Redux Toolkit 2 + Vite 7 + TypeScript 5.9 + Tailwind CSS 4 + Biome.

Setup commands

  • Node version: 24.x (defined in .nvmrc). Use fnm use or nvm use before running commands.
  • Package manager: pnpm 10.x (corepack enable if needed).
  • Install deps: pnpm install
  • Create env: pnpm create:env
  • Dev server: pnpm dev (starts at http://localhost:5173)
  • Build: pnpm build (runs tsc -b && vite build)

Testing

  • Unit/integration tests: pnpm test (Vitest 4 + Testing Library + jsdom)
  • With coverage: pnpm test:coverage
  • E2E tests: pnpm e2e:local (requires dev server running in another terminal)
  • E2E uses: Cucumber + Playwright. Install browsers first: pnpm exec playwright install
  • Test files live next to the code they test with .spec.ts / .spec.tsx suffix.
  • Mock data files use .mocks.spec.ts suffix and are excluded from test runs.
  • MSW (Mock Service Worker) handles API mocking in both tests and development.
  • Vitest globals (describe, it, expect, vi) are available without imports.
  • Always run pnpm test and pnpm build before submitting changes.

Linting, formatting, and type checking

  • Single tool: Biome handles both linting and formatting. No ESLint or Prettier.
  • Check all: pnpm check (runs biome check && tsc --noEmit)
  • Auto-fix: pnpm check:fix (runs biome check --write && tsc --noEmit)
  • Format only: pnpm format
  • Lint only: pnpm lint
  • Type check only: pnpm type:check
  • Pre-commit hook (Husky) runs pnpm biome check --staged and pnpm test automatically.

Code style

  • TypeScript strict mode with noImplicitAny: false.
  • Single quotes, semicolons, trailing commas, 2-space indent, LF line endings, 80 char line width.
  • Use import type for type-only imports (enforced by Biome useImportType).
  • Prefer for...of over .forEach() (enforced by Biome noForEach).
  • Use const over let when possible. Never use var.
  • Use unknown instead of any for error catches and untyped values.
  • Use import.meta.env instead of process.env in browser/Vite code.
  • Use null (not undefined) as the return value for components that render nothing.
  • Absolute imports via @/ alias (maps to src/). Never use relative imports that go above the current feature.

Read the full file on GitHub · 131 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. 1mo ago First seen · 131 lines · 1,682 tokens per session scan A 198335034a0e

Subscribe to this mod's changes

react-redux-boilerplate AGENTS.md is an instructions file published in the GitHub repository marcoturi/react-redux-boilerplate (103 stars, last pushed yesterday), licensed MIT. It adds 1,682 tokens to every session, about $0.0067 per session on Opus 5.5. 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 2026-08-30.

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