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Arbor: Instructions file for GitHub Copilot

.github/instructions/frontend.instructions.md

Arbor frontend.instructions.md is an instructions file for GitHub Copilot from advaitgore/Arbor. It costs 84 tokens per session, scanned A, original, MIT.

A set of coding guidelines for building the frontend of Arbor, an application for automated purchasing infrastructure. It recommends React and TypeScript with small, readable components.

In plain words
What is it for?
Use it when creating or changing Arbor's frontend components, state handling, and styling.
Why use it?
It gives the agent consistent rules for organizing the interface and keeps the MVP from becoming unnecessarily complex.

Instructions file for GitHub Copilot

Written for GitHub Copilot: a Copilot instructions file.

This is advaitgore/Arbor's own configuration. It tells GitHub Copilot how to work on Arbor 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 Arbor configures →

not rated 0repo 4mo ago A scan 84 tokens original MIT
View source ↗ advaitgore/Arbor agent-payment-eight.vercel.app
Reuse

Borrowing it

Nothing to install: this file belongs to advaitgore/Arbor. 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/advaitgore/Arbor/main/.github/instructions/frontend.instructions.md
Clone the repo
git clone --depth 1 https://github.com/advaitgore/Arbor

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 Arbor frontend.instructions.md

README.md
[![agentmods](https://agentmods.dev/badge/instructions/advaitgore/arbor/frontend/github.svg)](https://agentmods.dev/instructions/advaitgore/arbor/frontend)
Your own site
<a href="https://agentmods.dev/instructions/advaitgore/arbor/frontend"><img src="https://agentmods.dev/badge/instructions/advaitgore/arbor/frontend/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 Arbor frontend.instructions.md

Your own site · 80×15
<a href="https://agentmods.dev/instructions/advaitgore/arbor/frontend"><img src="https://agentmods.dev/badge/instructions/advaitgore/arbor/frontend.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 84 This file is loaded in full into every session.
When invoked 84 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 $0.00084 $0.00084
Opus 5.5 $0.00034 $0.00034
Sonnet 5.5 $0.00017 $0.00017
Haiku 4.5 $0.00008 $0.00008

Measured 2mo ago against content hash 2c6b360ecf97, method: parsed. Prices are Anthropic first-party input rates as of 2026-10-07, from the pricing page.

Security

Grade A, and why

Arbor frontend.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 2mo 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/instructions/frontend.instructions.md · 13 lines

What it actually says

Frontend instructions

  • Use React + TypeScript functional components.
  • Keep components small and composable.
  • Prefer local state for MVP.
  • Use shadcn/ui primitives where helpful.
  • Avoid overengineering state management.
  • Prefer readable JSX over deeply nested abstractions.
  • Keep styling restrained and professional.
  • Avoid generic AI-dashboard aesthetics.
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. 2mo ago First seen · 13 lines · 84 tokens per session scan A 2c6b360ecf97

Subscribe to this mod's changes

Arbor frontend.instructions.md is an instructions file published in the GitHub repository advaitgore/Arbor (0 stars, last pushed 4mo ago), licensed MIT. It adds 84 tokens to every session, about $0.0003 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.

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