my-github-202X: Instructions file for GitHub Copilot

.github/copilot-instructions.md

my-github-202X copilot-instructions.md is an instructions file for GitHub Copilot from DevXDojo/my-github-202X. It costs 2,481 tokens per session, scanned A, original, MIT.

A project-specific instruction file for GitHub Copilot describing a Python Flask web application, its folders, services, databases, authentication, APIs, and frontend. GitHub Copilot uses such instructions to tailor coding suggestions to a repository.

In plain words
What is it for?
Use it to guide Copilot when working on the application's Flask backend, SQLite and SQLAlchemy data layer, GitHub authentication and APIs, or its templates and browser code.
Why use it?
It gives the coding assistant shared information about the project's structure and technology choices instead of making it infer them from each task. This can help suggestions fit the existing backend and frontend.

Instructions file for GitHub Copilot

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

This is DevXDojo/my-github-202X's own configuration. It tells GitHub Copilot how to work on my-github-202X 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 my-github-202X configures →

Reuse

Borrowing it

Nothing to install: this file belongs to DevXDojo/my-github-202X. 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/DevXDojo/my-github-202X/main/.github/copilot-instructions.md
Clone the repo
git clone --depth 1 https://github.com/DevXDojo/my-github-202X

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.

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README.md
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Per session 2,481 This file is loaded in full into every session.
When invoked 2,481 The same file — it is already loaded in full.
Security scan A 1 finding. 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 $0.02481 $0.02481
Opus 5.5 $0.00992 $0.00992
Sonnet 5.5 $0.00496 $0.00496
Haiku 4.5 $0.00248 $0.00248

Measured 2mo ago against content hash f90fe498f2a1, method: parsed. Prices are Anthropic first-party input rates as of 2026-10-07, from the pricing page.

Security

Grade A, and why

my-github-202X copilot-instructions.md scanned grade A with 1 finding 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.

Makes network callslowCapability

Not a fault in itself. Listed so you know the mod talks to something, and to what.

response = requests.get(
.github/copilot-instructions.md · 407 lines

How it starts

The opening of the file, as written. The whole thing — 407 lines — stays where its author put it; the contents beside it link to each section on GitHub.

GitHub Copilot Instructions for My GitHub 2025

Project Overview

My GitHub 2025 is a web application that generates beautiful statistics and visualizations of user activities on GitHub for any given year (2008-2025). The application uses Flask (Python 3.12+), GitHub OAuth for authentication, and GitHub's GraphQL/REST APIs to fetch and analyze user activity data.

Project Structure

/config       - Configuration files (app settings, constants)
/models       - SQLAlchemy database models
/routes       - Flask blueprints (auth, main, api)
/services     - Business logic (GitHub API, data processing, database)
/utils        - Helper functions (context builders, error handlers, logging)
/templates    - Jinja2 HTML templates
/static       - Static assets (CSS, JavaScript, images)

Technology Stack

Backend

  • Framework: Flask (Python 3.12+)
  • Database: SQLAlchemy with SQLite
  • Authentication: GitHub OAuth 2.0
  • APIs: GitHub REST API and GraphQL API
  • HTTP Client: requests library with tenacity for retries
  • Time Handling: pytz for timezone support
  • Environment: python-dotenv for configuration

Frontend

  • Templating: Jinja2
  • JavaScript: Vanilla JS
  • Charts: Chart.js
  • Styling: CSS (no framework)

Development Commands

# Run the application
python main.py

# Run with specific environment
export FLASK_ENV=development
python app.py

# Lint code (using pylint)
pylint app.py routes/ services/ utils/ models/ config/

# Format code (if using black)
black .

# Type checking (if using mypy)
mypy .

Commit Message Guidelines

Follow the Conventional Commits specification for semantic commit messages:

Format

<type>(<scope>): <description>

[optional body]

[optional footer(s)]

Types

  • feat: A new feature
  • fix: A bug fix
  • docs: Documentation only changes
  • style: Changes that don't affect code meaning (formatting, whitespace)
  • refactor: Code change that neither fixes a bug nor adds a feature
  • perf: Performance improvement
  • test: Adding or updating tests
  • build: Changes to build system or dependencies
  • ci: Changes to CI configuration files and scripts
  • chore: Other changes that don't modify src or test files

Read the full file on GitHub · 407 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. 2mo ago First seen · 407 lines · 2,481 tokens per session scan A f90fe498f2a1

Subscribe to this mod's changes

my-github-202X copilot-instructions.md is an instructions file published in the GitHub repository DevXDojo/my-github-202X (143 stars, last pushed 2mo ago), licensed MIT. It adds 2,481 tokens to every session, about $0.0099 per session on Opus 5.5. A static security scan graded it A with 1 finding (makes network calls). No closer match exists in the catalogue, so it is treated as the original; first seen 2026-09-04.

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