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: 11613 | Forks: 1174
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。
赞助商
**Stars:** 1802 | **Forks:** 174
🐎 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]
[Ryan Lopopolo]: https://x.com/_lopopolo/status/2050698864542482709
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](https://github.com/hoainho/img2threejs)
**Stars:** 1575 | **Forks:** 127
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:**
<div align=](docs/images/sponsor-passion8.png)
# 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:** 1291 | **Forks:** 188
Your clothes, extracted and organized with gpt-image.
**README Preview:**
CC by-nc-nd Rik Bon — rikbon@#64;gmail.#46;com
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