# Stop That Shit (agent skill)

> Stop That Shit is an agent skill (a SKILL.md file) from lennney/stop-that-shit. Complete requested work while preventing speculative defenses and scope creep. It works with Claude Code, Codex and OpenCode and has 2,495 GitHub stars. Install it by copying the skill folder into your agent's skills directory.

Complete requested work while preventing speculative defenses and scope creep. Use when considering extra hardening, reviewing possible overengineering, resolving repeated verification loops, following explicit task boundaries, or when the user invokes Stop That Shit. Ordinary use of validation, retries, or dependencies alone is not a trigger. Meet the task's responsibilities in full. Let real needs drive complexity.

## Key facts

| Fact | Value |
|---|---|
| Repository | https://github.com/lennney/stop-that-shit |
| Skill path | skills/stop-that-shit/SKILL.md |
| Skill name | stop-that-shit |
| GitHub stars | 2,495 |
| Installs on skills.sh | not listed |
| License | MIT |
| Skills in repo | 1 |
| Plugin marketplace | stop-that-shit |
| Official | no |
| Works with | Claude Code, Codex, OpenCode |
| Category | Testing & QA |
| Last commit | Oct 3, 2026 |

## When it triggers

- Use when considering extra hardening, reviewing possible overengineering, resolving repeated verification loops, following explicit task boundaries, or when the user invokes Stop That Shit.

## Add this skill

### Claude Code

```sh
/plugin marketplace add lennney/stop-that-shit
/plugin install stop-that-shit@stop-that-shit
```

In the Claude apps, zip the skill folder and upload it under Customize > Skills > + > Upload a skill (code execution must be on).

### ChatGPT / Codex

```sh
git clone --depth 1 https://github.com/lennney/stop-that-shit.git
cp -r stop-that-shit/skills/stop-that-shit .agents/skills/stop-that-shit   # repo; ~/.agents/skills for all projects
```

### Cursor

```sh
git clone --depth 1 https://github.com/lennney/stop-that-shit.git
cp -r stop-that-shit/skills/stop-that-shit .cursor/skills/stop-that-shit   # project; ~/.cursor/skills for all projects
```

Sources (checked 2026-10-07): https://code.claude.com/docs/en/skills, https://support.claude.com/en/articles/12512180-using-skills-in-claude, https://learn.chatgpt.com/docs/build-skills, https://cursor.com/docs/context/skills

---

Canonical page: https://appsgit.com/skills/lennney-stop-that-shit
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