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rudycanshoot: Instructions file for GitHub Copilot

.github/copilot-instructions.md

rudycanshoot copilot-instructions.md is an instructions file for GitHub Copilot from jrb00013/rudycanshoot. It costs 202 tokens per session, scanned A, original, MIT.

Coding instructions for rudycanshoot, a service and command-line tool that lets AI assistants take screenshots. They describe where platform-specific capture, MCP tools, installers, and CLI commands belong.

In plain words
What is it for?
Adding screenshot backends, MCP tools, AI-tool installers, or CLI commands while keeping platform checks explicit and returning readable errors.
Why use it?
They reduce inconsistent implementations and specify how errors and configuration files should be handled.

Instructions file for GitHub Copilot

Written for GitHub Copilot: a Copilot instructions file.

This is jrb00013/rudycanshoot's own configuration. It tells GitHub Copilot how to work on rudycanshoot 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 rudycanshoot configures →

not rated 19repo today A scan 202 tokens original MIT
View source ↗ jrb00013/rudycanshoot
Reuse

Borrowing it

Nothing to install: this file belongs to jrb00013/rudycanshoot. 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/jrb00013/rudycanshoot/main/.github/copilot-instructions.md
Clone the repo
git clone --depth 1 https://github.com/jrb00013/rudycanshoot

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 rudycanshoot copilot-instructions.md

README.md
[![agentmods](https://agentmods.dev/badge/instructions/jrb00013/rudycanshoot/copilot-instructions/github.svg)](https://agentmods.dev/instructions/jrb00013/rudycanshoot/copilot-instructions)
Your own site
<a href="https://agentmods.dev/instructions/jrb00013/rudycanshoot/copilot-instructions"><img src="https://agentmods.dev/badge/instructions/jrb00013/rudycanshoot/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 rudycanshoot copilot-instructions.md

Your own site · 80×15
<a href="https://agentmods.dev/instructions/jrb00013/rudycanshoot/copilot-instructions"><img src="https://agentmods.dev/badge/instructions/jrb00013/rudycanshoot/copilot-instructions.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 202 This file is loaded in full into every session.
When invoked 202 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 $0.00202 $0.00202
Opus 5.5 $0.00081 $0.00081
Sonnet 5.5 $0.00040 $0.00040
Haiku 4.5 $0.00020 $0.00020

Measured 2mo ago against content hash 1a58a5fcb882, method: parsed. Prices are Anthropic first-party input rates as of 2026-10-07, from the pricing page.

Security

Grade A, and why

rudycanshoot 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 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/copilot-instructions.md · 18 lines

What it actually says

GitHub Copilot Instructions — rudycanshoot

This project is an MCP server + CLI for taking screenshots in AI-driven workflows.

Key patterns

  • Platform-specific screenshot logic is in src/screenshot.js — add new backends there
  • MCP tool definitions are in src/server.js using @modelcontextprotocol/sdk
  • AI tool installers are in src/install.js — each tool gets an entry in TOOL_INSTALLERS
  • The CLI in bin/rudycanshoot.js uses commander — add new subcommands there

When suggesting code

  • Keep platform detection explicit (process.platform === "linux" etc.)
  • Screenshot backends must fail gracefully with clear error messages listing alternatives
  • MCP tools must return { content: [...] } — never throw inside a tool handler; catch and return error text
  • JSON config files are read with readJson() and written with writeJson() from src/install.js
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 · 18 lines · 202 tokens per session scan A 1a58a5fcb882

Subscribe to this mod's changes

rudycanshoot copilot-instructions.md is an instructions file published in the GitHub repository jrb00013/rudycanshoot (19 stars, last pushed today), licensed MIT. It adds 202 tokens to every session, about $0.0008 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.

Writing and docs
Related

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