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portfolio-v3: Instructions file for Codex

AGENTS.md

portfolio-v3 AGENTS.md is an instructions file for Codex, OpenCode from rizkyhaksono/portfolio-v3. It costs 1,204 tokens per session, scanned A, original, MIT.

A repository guide for the portfolio-v3 project. It tells coding agents about the project's tools, structure, design rules, and required files to read before feature work.

In plain words
What is it for?
Use it when adding features, changing the interface, running tests, or updating project progress in this Next.js and TypeScript portfolio.
Why use it?
It gives agents the project-specific context they need to make changes that fit the existing application. It also records where different coding tools should find their instructions.

Instructions file for CodexOpenCode

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

This is rizkyhaksono/portfolio-v3's own configuration. It tells Codex and OpenCode how to work on portfolio-v3 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 portfolio-v3 configures →

not rated 6repo yesterday A scan 1,204 tokens original MIT
View source ↗ rizkyhaksono/portfolio-v3 nateee.com
Reuse

Borrowing it

Nothing to install: this file belongs to rizkyhaksono/portfolio-v3. 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/rizkyhaksono/portfolio-v3/main/AGENTS.md
Clone the repo
git clone --depth 1 https://github.com/rizkyhaksono/portfolio-v3

Made for: Codex, OpenCode.

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 portfolio-v3 AGENTS.md

README.md
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<a href="https://agentmods.dev/instructions/rizkyhaksono/portfolio-v3/agents-md"><img src="https://agentmods.dev/badge/instructions/rizkyhaksono/portfolio-v3/agents-md.svg" alt="Measured on agentmods" height="20"></a>
Per session 1,204 This file is loaded in full into every session.
When invoked 1,204 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 $0.01204 $0.01204
Opus 5 $0.00602 $0.00602
Sonnet 5 $0.00241 $0.00241
Haiku 4.5 $0.00120 $0.00120

Measured 7d ago against content hash 2d2d9abb0746, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-07, from the pricing page.

Security

Grade A, and why

portfolio-v3 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 7d 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 · 106 lines

How it starts

The opening of the file, as written. The whole thing — 106 lines — stays where its author put it; the contents beside it link to each section on GitHub.

AGENTS.md — Portfolio v3

Canonical instructions for any coding agent working in this repository (Cursor, Claude, Codex, Gemini, Copilot, and others). Platform-specific files may add tooling notes; when they conflict, prefer this file plus .cursor/rules/*.mdc.

You are an expert full-stack TypeScript engineer. Produce production-ready code that follows modern Next.js App Router patterns and best practices.

Tech Stack

  • Next.js 15+ (App Router) + React 19
  • TypeScript (strict mode)
  • Styling: Tailwind CSS + shadcn/ui
  • Testing: Vitest + React Testing Library + MSW
  • Package Manager: npm

AI Instruction Map

Platform Entry file Extra
All agents AGENTS.md (this file) —
Claude CLAUDE.md .claude/
Cursor .cursorrules .cursor/rules/*.mdc
Gemini .geminirules —
Copilot .github/copilot-instructions.md —
UI system docs/ui/README.md src/lib/design-system.ts

Always read prd/feature.md and prd/progress.md before starting feature work; update prd/progress.md after completing tasks.

Architectural Guidelines

  1. React Server Components (RSC): Default to Server Components. Add 'use client' only at the top of files requiring state, hooks, interactivity, or browser APIs.
  2. Component Organization:
    • Routes belong in app/.
    • Reusable UI elements belong in components/ui/.
    • Feature-specific code belongs in components/[feature]/ or app/_components/.
  3. TypeScript: Use explicit interface or type for all props and state. Avoid any.
  4. Styling:
    • Use Tailwind utility classes only (no inline styles unless unavoidable).
    • Use cn() from @/lib/utils for conditional class merging.
    • Mobile-first responsive design.
  5. Code Quality: Keep functions small. Abstract complex or repetitive logic into hooks or lib/. No superfluous comments — names should be self-documenting.
  6. Package manager: Use npm (not pnpm/bun/yarn) unless the user explicitly overrides.

Read the full file on GitHub · 106 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. 7d ago First seen · 106 lines · 1,204 tokens per session scan A 2d2d9abb0746

Subscribe to this mod's changes

portfolio-v3 AGENTS.md is an instructions file published in the GitHub repository rizkyhaksono/portfolio-v3 (6 stars, last pushed yesterday), licensed MIT. It adds 1,204 tokens to every session, about $0.0060 per session on Opus 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 2026-08-31.

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