Don't reverse engineer it twice. 16,000+ open-source tools built by reverse engineering closed apps, APIs, devices, protocols, file formats, games and AI tools. Search site + agent skill + MCP server, refreshed nightly.

Eleven free Claude skills that clone any app: reverse-engineer it, rebuild it, test it for bugs, then fix what its users hate. Free, MIT.

Make Gemini code like Claude Models. Forces it to inspect files before editing, plan changes, test its work, and back up every “done” with actual evidence.

Describe any machine in one line. Claude builds a photoreal, physics based, interactive simulation of it in one HTML file, plus the film to post it. An open source Claude Code skill.

An evaluation and evolution tool for Agent Skills.

Diablo II: Resurrected on iPhone, iPad, Apple silicon Mac, Android and HarmonyOS. Offline play with touch or a controller. One-tap Runewords, 100-level Greater Rifts and Reign of the Warlock. Native ARM, Metal and Vulkan. Open source; bring your own Switch game files. 暗黑2重制版.

Deep Skill Finder – Real Tests Real Reviews find skills that Real Work

Curated reverse-engineering tools and learning resources for binaries, apps, firmware, formats, and protocols.

nanoMuse: an open-source personal agent for every device you own. One agent with a name and a look of its own that does things, keeps working while the app is closed, remembers you, and asks before anything you cannot undo. On Android, iPhone and iPad, Windows / macOS / Linux and in the browser; your phone's screen and your computer as its hands.

DeepSeek 自带破甲 18+ 互动叙事：活人感 NPC（自主决策/拒绝迎合）、211个世界与上万素材、开局随心定制、世界自行运转、零漂移存档。

A comprehensive logo-design skill for Claude, Gemini CLI, Codex and other AI agents: principles, process, SVG craft, testing tools and a 1,400+ logo reference library.

让你的agent一键直出商业级产品宣传片：会作曲，能指着画面改。Commercial-grade launch films by your coding agent — point at the frame to change it.

Open-source skills and toolkits that let Claude Code, Codex and other coding agents make video. 180 repos by type, each security-graded. English / 中文.

The open standard for agent coordination

Free Google Maps scraper for lead generation. Exports phones, emails, websites and socials to CSV. Runs locally in Docker, no API keys. Claude Code skill included.

13 Claude Code skills for launch-grade motion graphics. Every frame is code. No After Effects, no video generator.

SEO foundation checks as an Agent Skill: give it a URL, get a crawler's-eye pass/fail report with evidence. 26 structural checks, zero LLM, deterministic.

《Re:从零开始的AI学习》配套 skills，每个 skill 有一期视频讲为什么。Companion skills for the Bilibili series.

Open-source AI stickman video generator for faceless YouTube channels. Automate visuals, voiceover, captions, and sound effects—or direct each scene with video prompts.

AI TikTok Video Generator for Shop Sellers - find viral inspiration, replicate winning videos and publish to TikTok. | Codex, ChatGPT, Claude Code, OpenClaw