breakin

breakin is a command for Claude Code from The747Lab/747-terminal-games. It costs 16 tokens per session (194 once invoked), scanned A, original, MIT.

A terminal command that opens or closes the BREAK-IN arcade game in a split tmux pane. Tmux is a terminal program that can show multiple sessions or panes in one window.

In plain words
What is it for?
Use it to toggle the game while working in tmux; without tmux, the manual command cannot open the game pane.
Why use it?
It gives you a quick free-play distraction inside the current terminal session without requiring the coding agent to be working.

Command for Claude Code

Written for Claude Code: ${CLAUDE_PLUGIN_ROOT} variable.

Runs only inside its plugin — its command needs a path that Claude Code sets for a plugin’s own hooks and for nothing else. Install the plugin, not this.

Part of the 747-terminal-games plugin — 6 commands, 3 hooks shipped together

Good fit Use it to toggle the game while working in tmux; without tmux, the manual command cannot open the game pane.

Compare 6 commands from other repositories ↓
Install

Getting it into your agent

This one installs as part of its plugin. Adding the marketplace and installing the plugin brings it with everything else the plugin ships.

Claude Code
/plugin marketplace add The747Lab/747-terminal-games
Claude Code
/plugin install 747-terminal-games

Made for: Claude Code.

Or install 747-terminal-games, the plugin that ships this one along with the rest of its 6 commands, 3 hooks.

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 breakin

README.md
[![agentmods](https://agentmods.dev/badge/commands/the747lab/747-terminal-games/breakin/github.svg)](https://agentmods.dev/commands/the747lab/747-terminal-games/breakin)
Your own site
<a href="https://agentmods.dev/commands/the747lab/747-terminal-games/breakin"><img src="https://agentmods.dev/badge/commands/the747lab/747-terminal-games/breakin/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 breakin

Your own site · 80×15
<a href="https://agentmods.dev/commands/the747lab/747-terminal-games/breakin"><img src="https://agentmods.dev/badge/commands/the747lab/747-terminal-games/breakin.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 16 Only the description is in the session, so the agent can decide to use it. The body loads when it is invoked.
When invoked 194 The whole file, excluding the scripts and references it only reads on demand.
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 $0.00016 $0.00194
Opus 5 $0.00008 $0.00097
Sonnet 5 $0.00003 $0.00039
Haiku 4.5 $0.00002 $0.00019

Measured 8d ago against content hash 981c0ffdafd7, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-08, from the pricing page.

Security

Grade A, and why

breakin 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 8d 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.

commands/breakin.md · 15 lines

What it actually says

Run this exactly, then report the one-line result to the user:

bash "${CLAUDE_PLUGIN_ROOT}/hooks/breakout-hook.sh" toggle breakout

This opens BREAK-IN — the endless ascent: crack the ceiling, thread the ball up through the hole, and climb into the chamber above, forever — in a tmux pane split in the current window (free-play, so it ignores Claude's thinking state), or closes it if it's already open. It requires the session to be running inside tmux. If it isn't, tell the user the game needs a tmux session and that the auto-launch-while-thinking still works without the manual toggle.

The title key stays breakout on purpose: it is the file name and the pane title, and renaming it would orphan any game already running in the background.

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. 8d ago First seen · 15 lines · 16 tokens per session scan A 981c0ffdafd7

Subscribe to this mod's changes

breakin is a command published in the GitHub repository The747Lab/747-terminal-games (2 stars, last pushed 1mo ago), licensed MIT. It adds 16 tokens to every session and 194 once invoked, about $0.0001 per session on Opus 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.