Best Codex Skills

plannotator/effective-html

Design principles and creative direction for building non-generic HTML artifacts, ensuring high aesthetic quality and thoughtful design choices.

vercel-labs/skills

The `skills` CLI is a package manager and runner for open AI agent skills, allowing users to discover, install, sync, and execute specialized agent prompts and rules across multiple platforms.

lllllllama/RigorPilot-Skills

RigorPilot Skills provides a research-first suite of agent skills designed to keep AI-assisted deep learning experiments grounded in reproducibility, evidence, and auditable changes.

zhu1090093659/spec_driven_develop

Spec-Driven Develop is an architecture-first, platform-agnostic workflow plugin for AI coding agents that manages large-scale software changes through structured phases, task decomposition, and adaptive control. It operates as a pure Markdown skill set supporting tools like Claude Code, Codex, OpenCode, and Cursor.

iOfficeAI/OfficeCLI

OfficeCLI is an AI-friendly command-line tool that enables seamless creation, inspection, proofreading, and modification of Microsoft Office documents (.docx, .xlsx, .pptx) without requiring an Office installation.

yanyiwu/nodejieba

NodeJieba is a high-performance Node.js wrapper for the Jieba Chinese text segmentation library, powered by C++. It provides multiple tokenization algorithms, part-of-speech tagging, and keyword extraction capabilities.

santifer/career-ops

An AI-powered job search automation pipeline for tracking applications, evaluating offers, generating tailored CVs, and scanning portals.

henryxm/autumn

This skill provides specialized development guidelines and conventions for the Autumn 2.x framework, focusing on JDK 8, Spring Boot 2.7, and MyBatis-Plus 2.x. It enforces strict architectural rules covering database design, authentication modes, field encryption, and code formatting.

dembsky/PropMotion

PropMotion provides production patterns and troubleshooting recipes for building and debugging 3D product stages inside SwiftUI apps using SceneKit.

Priyanshu-byte-coder/contextrot

Contextrot is a local command-line tool that analyzes your coding agent's session transcripts to measure context degradation, calculate failure thresholds, and provide actionable optimization prescriptions. It runs entirely on your machine without requiring API keys or data uploads.

qinky1234-sys/chinese-academic-paper-skill

An academic assistant specialized in verifiable Chinese literature review workflows, CNKI/Wanfang/VIP data processing, and de-AI Chinese academic writing. It helps researchers build literature matrices, analyze relationships, discover research gaps, and generate fully traceable academic reviews without fabricating citations.

mattolson/agent-sandbox

Agent Sandbox provides a secure local environment utilizing Docker containers and a sidecar proxy to safely run AI coding agents with restricted network and filesystem access.

sonofmagic/weapp-tailwindcss

Adapter and tooling that brings Tailwind CSS into mini-program and multi-platform development ecosystems like uni-app, Taro, and Mpx.

nf-core/modules

This skill provides instructions and coding standards for AI agents working within the nf-core/modules repository, governing Nextflow module and subworkflow development.

Bhanunamikaze/Agentic-SEO-Skill

An LLM-first SEO analysis skill featuring dozens of specialized sub-skills, specialist agents, and verification scripts for websites, blogs, and GitHub repositories.

unclecode/crawl4ai

Crawl4AI is an open-source, LLM-friendly web crawler and scraper that converts web content into clean, structured Markdown for RAG and AI pipelines.

microsoft/PromptKit

PromptKit is a composable, version-controlled library of agentic prompt components designed to engineer reliable, repeatable prompts for software and engineering tasks.

TanStack/devtools

This skill provides framework-specific adapter factories from TanStack Devtools for building and mounting plugins across React, Vue, Solid, and Preact.

1st1/lat.md

lat.md maintains a structured knowledge graph of a codebase using interconnected markdown files, linking design intent and architecture directly to source code and tests.

Egonex-AI/Understand-Anything

Understand Anything transforms complex codebases and knowledge bases into interactive knowledge graphs, enabling users to explore architecture, search semantic relationships, and query code logic efficiently.

felipelobomotta-blip/book-genesis-v4

Book Genesis V4 is an agent-agnostic book-production framework and multi-agent pipeline designed to autonomously research, outline, write, and quality-gate publication-ready books.

gradio-app/gradio

Gradio is an open-source Python framework designed for rapidly building interactive web interfaces and demos for machine learning models or general Python functions. It enables developers to share applications instantly with public URLs without requiring frontend web development experience.

luisfer/ubon

Ubon is a specialized security scanner designed to catch vulnerabilities commonly introduced by AI-generated applications, such as hardcoded API keys, unauthenticated server actions, and prompt-injection sinks.

SolidInvoice/SolidInvoice

SolidInvoice is a comprehensive guide and assistant framework for the SolidInvoice open-source invoicing and billing application built on Symfony and PHP.

mikiarlo3/ai-copywriter

An AI copywriter skill that blends high-converting marketing principles with a robust humanizer engine to generate engaging, natural-sounding copy.