GitHub Trending Repos - July 22, 2026

Tags: github, opensource, development, ai, tools, programming

TL;DR: 1. Fei-Away/Codex-Dream-Skin - Codex Dream Skin; 2. lopopolo/harness-engineering - 🐎 Ryan Lopopolo’s anthology, field guide, and agent context ; 3. hoainho/img2threejs - Rebuild the object in a reference image as a code-only, proc

This Week's Hottest GitHub Repositories

Weekly roundup of trending open-source projects. Each repository measured by star growth over the past 7 days.

Fei-Away/Codex-Dream-Skin

Stars: 11825 | Forks: 1192

Codex Dream Skin

README Preview:

Codex Dream Skin

中文 · English

给 Codex 桌面端换一张会呼吸的脸。
外部主题 / 换肤工具 · 本机 CDP 注入 · 不改官方安装包

一张图，一种心情 · 写代码，也要有氛围感

非 OpenAI 官方产品。不修改 .app / app.asar / WindowsApps。

直接安装

普通用户只需先安装并退出一次官方 Codex / ChatGPT，然后从 GitHub Releases 下载：

• macOS：打开 `Co...

lopopolo/harness-engineering

Stars: 2145 | Forks: 215

🐎 Ryan Lopopolo’s anthology, field guide, and agent context bundle for harness engineering

README Preview:

Harness Engineering

“Most people do not know that they can just point their agents at my writing, tweets, podcasts, and talks and improve the output of their agents by 100x.”

— Ryan Lopopolo

Harness engineering, the practice of improving agent output by shaping the environment around it, holds a chosen model and coding agent constant as a black box. It improves the two external levers—context and tools—and curates...

hoainho/img2threejs

Stars: 1947 | Forks: 153

Rebuild the object in a reference image as a code-only, procedural, quality-gated, animation-ready Three.js model. Token-efficient image-to-3D.

README Preview:

# img2threejs **Rebuild the object in a reference image as a code-only, procedural Three.js model.** Quality-gated, animation-ready, and deliberately token-efficient — reconstruction-by-code, not photogrammetry, mesh extraction, or downloaded art packs. [](LICENSE) [ **Stars:** 1339 | **Forks:** 191 Your clothes, extracted and organized with gpt-image. **README Preview:**

# Wardrobe Your clothes, extracted and organized with gpt-image. [](LICENSE) [](package.json) [See the original post →](https://x.com/cdngdev/status/2076812846793650485)

  ## Quick start ```bash git c... ### [pablostanley/yoinks](https://github.com/pablostanley/yoinks) **Stars:** 1038 | **Forks:** 102 yoink any video from your terminal. no shady ads. **README Preview:** # yoinks yoink any video. paste. yoink. done. Download videos from YouTube, X/Twitter, Instagram, Threads, TikTok and 1,800+ other sites — right from your terminal. Paste a url, pick a resolution (or audio-only mp3), done. No popups, no fake download buttons, no sketchy redirects. CC by-nc-nd Rik Bon — rikbon@#64;gmail.#46;com
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