rudycanshoot: Instructions file for Claude Code

CLAUDE.md

rudycanshoot CLAUDE.md is an instructions file for Claude Code from jrb00013/rudycanshoot. It costs 477 tokens per session, scanned B, original, MIT.

Project instructions for rudycanshoot, an MCP server that lets AI assistants capture and view screenshots and screen recordings.

In plain words
What is it for?
Use them when developing, running, installing, or troubleshooting rudycanshoot and its screenshot or recording features.
Why use it?
They give the assistant the project’s available tools, commands, important files, and Linux screenshot setup so it can work with the code correctly.

Instructions file for Claude Code

Written for Claude Code: the file is CLAUDE.md.

This is jrb00013/rudycanshoot's own configuration. It tells Claude Code 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 →

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/CLAUDE.md
Clone the repo
git clone --depth 1 https://github.com/jrb00013/rudycanshoot

Made for: Claude Code.

Wrote this? Show the measurements

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README.md
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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.

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Per session 477 This file is loaded in full into every session.
When invoked 477 The same file — it is already loaded in full.
Security scan B 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 $0.00477 $0.00477
Opus 5.5 $0.00191 $0.00191
Sonnet 5.5 $0.00095 $0.00095
Haiku 4.5 $0.00048 $0.00048

Measured today against content hash e621b5720b16, method: parsed. Prices are Anthropic first-party input rates as of 2026-10-07, from the pricing page.

Security

Grade B, and why

rudycanshoot CLAUDE.md scanned grade B 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 today.

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.

Asks for rootmediumPrivilege escalation

A mod that escalates privileges can change anything on the machine, not only the project.

Install optional: `sudo apt install scrot` or `sudo apt install grim` (Wayland). `xwd` + `ffmpeg` often already enough on X11.
CLAUDE.md · 46 lines

What it actually says

rudycanshoot

This is the rudycanshoot project — an MCP server that lets AI assistants take and view screenshots.

MCP Tools Available

Tool Description
take_screenshot Capture fullscreen, active window, or a region
read_screenshot Read a saved screenshot as base64 for viewing
list_screenshots List recent captures with timestamps and paths
record_video Record a temporary screen video; returns frames for AI viewing
record_terminal Record a TERMINAL SESSION (a running command) as a GIF — no desktop, works headless
read_video Extract frames from a video so the AI can watch it

Development Commands

npm install          # install dependencies
node bin/rudycanshoot.js serve    # start MCP server (stdio)
node bin/rudycanshoot.js capture  # take a screenshot from CLI
node bin/rudycanshoot.js install --all  # configure all AI tools

Key Files

  • src/screenshot.js — platform-specific capture logic (Linux/macOS/Windows)
  • src/webcam.js — one-frame webcam capture (v4l2 / dshow, incl. WSL2 via Windows ffmpeg.exe)
  • src/server.js — MCP server with tool definitions
  • src/install.js — auto-installer for AI tools
  • bin/rudycanshoot.js — CLI entry point

Screenshot Backends (Linux, in priority order)

Silent tools only (no portal permission popups):

  1. grim (Wayland)
  2. scrot / maim / import (X11)
  3. xwd + ffmpeg → PNG (X11 built-in path)
  4. ffmpeg x11grab single frame
  5. WSL → Windows PowerShell (fallback)

Install optional: sudo apt install scrot or sudo apt install grim (Wayland). xwd + ffmpeg often already enough on X11.

Video (silent only): ffmpeg x11grab → wf-recorder → screenshot-frame encode. Never portal ScreenCast.

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. today Changed · +1 lines · +32 tokens per session e621b5720b16
  2. 2mo ago First seen · 45 lines · 445 tokens per session scan B 02edc4dc2b77

Subscribe to this mod's changes

rudycanshoot CLAUDE.md is an instructions file published in the GitHub repository jrb00013/rudycanshoot (19 stars, last pushed today), licensed MIT. It adds 477 tokens to every session, about $0.0019 per session on Opus 5.5. A static security scan graded it B with 1 finding (asks for root). No closer match exists in the catalogue, so it is treated as the original; first seen 2026-08-30.

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