Skip to content
appsgit

Footgun Scan

Footgun Scan is an agent skill (a SKILL.md file) from maxrave-dev/kotlin-footguns. Scan a Kotlin or Compose Multiplatform diff for known footgun shapes and open the matching trap to confirm each hit. It works with Claude Code, Codex, Cursor and GitHub Copilot and has 1,652 GitHub stars across a repository of 2 listed skills.

github.com/maxrave-dev/kotlin-footguns/skills/footgun-scan (opens in a new tab)

Data as of from the GitHub API; description from the skill's SKILL.md. Report an error

View on GitHub (opens in a new tab)

Add this skill

Claude

This repository is a Claude Code plugin marketplace. In Claude Code:

/plugin marketplace add maxrave-dev/kotlin-footguns
/plugin install kotlin-footguns@maxrave

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

ChatGPT / Codex

Codex reads skills from .agents/skills/ in a repo or ~/.agents/skills/ for every project:

git clone --depth 1 https://github.com/maxrave-dev/kotlin-footguns.git
cp -r kotlin-footguns/skills/footgun-scan .agents/skills/footgun-scan   # repo; ~/.agents/skills for all projects

Standalone skills also load in the ChatGPT desktop app.

Cursor

Cursor loads skills from .cursor/skills/ (or ~/.cursor/skills/) and also reads .claude/skills/:

git clone --depth 1 https://github.com/maxrave-dev/kotlin-footguns.git
cp -r kotlin-footguns/skills/footgun-scan .cursor/skills/footgun-scan   # project; ~/.cursor/skills for all projects

Source (checked Oct 7, 2026): code.claude.com/docs/en/skills (opens in a new tab), code.claude.com/docs/en/plugin-marketplaces (opens in a new tab), support.claude.com/en/articles/12512180-using-skills-in-claude (opens in a new tab), learn.chatgpt.com/docs/build-skills (opens in a new tab), cursor.com/docs/context/skills (opens in a new tab)

What this skill does

Scan a Kotlin or Compose Multiplatform diff for known footgun shapes and open the matching trap to confirm each hit. Use before committing, when reviewing a Kotlin change, or to audit a codebase. scripts/scan.py matches 32 patterns against the lines a change adds. Each pattern is tied to one trap file in the kotlin-footguns area skills. It finds shapes, not bugs: every hit needs the trap's judgment before it becomes a finding.

When it triggers

  • Use before committing, when reviewing a Kotlin change, or to audit a codebase.

More skills in maxrave-dev/kotlin-footguns

2 skills are listed from this repository.

Similar skills

More security skills

All Security

FAQ

Footgun Scan FAQ

Still curious? Email info@appsgit.com.

How do I install the Footgun Scan skill?

In Claude Code, run /plugin marketplace add maxrave-dev/kotlin-footguns and then /plugin install kotlin-footguns@maxrave. For Codex or Cursor, copy the footgun-scan folder into .agents/skills/ or .cursor/skills/.

Is the Footgun Scan skill free?

Yes. The repository is open source under the GPL-3.0 license.

Is Footgun Scan maintained?

The repository's most recent commit was on Oct 18, 2026. appsgit only lists skills from repositories with a commit in the last six months.