# Leanrea (agent skill)

> Leanrea is an agent skill (a SKILL.md file) from aicodeking/leanrea. Reverse engineer shipped software with plain local CLI tools, no MCP needed. It works with Claude Code, Codex, Cursor, Gemini CLI and OpenCode and has 2,641 GitHub stars. Install it by copying the skill folder into your agent's skills directory.

Reverse engineer shipped software with plain local CLI tools, no MCP needed. Covers Electron/JS bundles, native Mach-O/ELF/PE, Go/Rust/.NET/Flutter/WASM binaries, APKs, SQLite, pcaps, firmware and websites. Use to explain how a feature works, extract versions/deps, compare builds, or rebuild a feature. You already know these tools. This file only lists the fastest command for each target, and the traps.

## Key facts

| Fact | Value |
|---|---|
| Repository | https://github.com/aicodeking/leanrea |
| Skill path | leanrea/SKILL.md |
| Skill name | leanrea |
| GitHub stars | 2,641 |
| Installs on skills.sh | 3 |
| License | MIT |
| Skills in repo | 1 |
| Plugin marketplace | no |
| Official | no |
| Works with | Claude Code, Codex, Cursor, Gemini CLI, OpenCode |
| Category | Coding |
| Last commit | Oct 17, 2026 |

## Add this skill

### Claude Code

```sh
git clone --depth 1 https://github.com/aicodeking/leanrea.git
cp -r leanrea/leanrea ~/.claude/skills/leanrea   # personal, or .claude/skills in a project
```

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/aicodeking/leanrea.git
cp -r leanrea/leanrea .agents/skills/leanrea   # repo; ~/.agents/skills for all projects
```

### Cursor

```sh
git clone --depth 1 https://github.com/aicodeking/leanrea.git
cp -r leanrea/leanrea .cursor/skills/leanrea   # 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

skills.sh listing: https://www.skills.sh/aicodeking/leanrea/leanrea

---

Canonical page: https://appsgit.com/skills/aicodeking-leanrea
Source: appsgit (https://appsgit.com), the app store for github. Data from the GitHub API, refreshed daily.
Machine access: JSON API https://appsgit.com/api/v1/apps (OpenAPI: https://appsgit.com/openapi.json), MCP server https://mcp.appsgit.com/mcp, full index https://appsgit.com/llms-full.txt.