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portfolio-v3: Instructions file for GitHub Copilot

.github/copilot-instructions.md

portfolio-v3 copilot-instructions.md is an instructions file for GitHub Copilot from rizkyhaksono/portfolio-v3. It costs 1,808 tokens per session, scanned A, original, MIT.

Project-specific coding instructions for a portfolio built with Next.js, React, TypeScript, Tailwind CSS, and shadcn/ui. They describe the preferred architecture, component locations, testing tools, and interface rules.

In plain words
What is it for?
Use them when adding or changing pages, layouts, reusable components, feature code, styling, server and client components, or tests in this project.
Why use it?
They give coding agents a shared set of project conventions so new work fits the existing application.

Instructions file for GitHub Copilot

Written for GitHub Copilot: a Copilot instructions file. Also seen: mentions AGENTS.md.

This is rizkyhaksono/portfolio-v3's own configuration. It tells GitHub Copilot 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 →

Needs its repository: it reads a path above its own folder, which exists only inside the repository. The line is Canonical cross-agent instructions: [`AGENTS.md`](../AGENTS.md).

not rated 6repo changed 4d ago A scan 1,808 tokens original MIT
View source ↗ rizkyhaksono/portfolio-v3 natee.my.id
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/.github/copilot-instructions.md
Clone the repo
git clone --depth 1 https://github.com/rizkyhaksono/portfolio-v3

Made for: GitHub Copilot.

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 copilot-instructions.md

README.md
[![agentmods](https://agentmods.dev/badge/instructions/rizkyhaksono/portfolio-v3/copilot-instructions/github.svg)](https://agentmods.dev/instructions/rizkyhaksono/portfolio-v3/copilot-instructions)
Your own site
<a href="https://agentmods.dev/instructions/rizkyhaksono/portfolio-v3/copilot-instructions"><img src="https://agentmods.dev/badge/instructions/rizkyhaksono/portfolio-v3/copilot-instructions/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 portfolio-v3 copilot-instructions.md

Your own site · 80×15
<a href="https://agentmods.dev/instructions/rizkyhaksono/portfolio-v3/copilot-instructions"><img src="https://agentmods.dev/badge/instructions/rizkyhaksono/portfolio-v3/copilot-instructions.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 1,808 This file is loaded in full into every session.
When invoked 1,808 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 $0.01808 $0.01808
Opus 5.5 $0.00723 $0.00723
Sonnet 5.5 $0.00362 $0.00362
Haiku 4.5 $0.00181 $0.00181

Measured 4d ago against content hash 1c8161905dc5, method: parsed. Prices are Anthropic first-party input rates as of 2026-10-07, from the pricing page.

Security

Grade A, and why

portfolio-v3 copilot-instructions.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 4d 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.

.github/copilot-instructions.md · 58 lines

How it starts

The opening of the file, as written. The whole thing — 58 lines — stays where its author put it; the contents beside it link to each section on GitHub.

GitHub Copilot Instructions

Canonical cross-agent instructions: AGENTS.md
UI design system (source of truth): docs/ui/README.md

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

Tech Stack

  • Next.js 16 (App Router) + React 19
  • TypeScript (strict mode)
  • Styling: Tailwind CSS 3 (not v4) + shadcn/ui primitives restyled to the one-ink system
  • Testing: Jest + React Testing Library (unit), Playwright (e2e)
  • Package Manager: bun

Architectural Guidelines

  1. Prefer AGENTS.md as the shared source of truth across AI platforms, and docs/ui/ for anything visual.
  2. React Server Components (RSC): Default to Server Components. Add 'use client' only at the top of files that require state, hooks, interactivity, or browser APIs.
  3. Component Organization:
    • Pages and layouts go in app/.
    • Reusable UI elements go in components/ui/.
    • Feature-specific code goes in components/[feature]/ or app/_components/.
  4. TypeScript: Use explicit interface or type for all props and state. Avoid using any completely.
  5. Styling (Tailwind & shadcn/ui):
    • Rely on Tailwind utility classes and the ink / paper tokens.
    • Use the cn() utility from @/lib/utils for conditional class merging.
    • Ensure a mobile-first responsive design.
  6. Code Quality: Keep functions small. Abstract complex logic into hooks or utility functions in lib/. Avoid superfluous comments. Let the variable and function names self-document the code.

UI rules (mandatory)

docs/ui/ is the source of truth for UI; AGENTS.md carries the full summary (token table, page patterns table, event rules). The old monochrome / grayscale rules, Instrument Serif, Bricolage Grotesque, Inter, JetBrains Mono and MacWindow panels are retired. Do not bring them back.

Read the full file on GitHub · 58 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. 4d ago Changed · +78 tokens per session 1c8161905dc5
  2. 6d ago Changed · -9 tokens per session 94f8242ef09b
  3. 10d ago Changed · -2 lines · -234 tokens per session 267a23280e60
  4. 11d ago Changed · +2 lines · +1,312 tokens per session 4f00a766fd18
  5. 19d ago Changed 90f67a7e0c68
  6. 2mo ago First seen · 58 lines · 661 tokens per session scan A f19b487d9b55

Subscribe to this mod's changes

portfolio-v3 copilot-instructions.md is an instructions file published in the GitHub repository rizkyhaksono/portfolio-v3 (6 stars, last pushed today), licensed MIT. It adds 1,808 tokens to every session, about $0.0072 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 2026-08-31.

FrontendLanguagesTypeScript
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