Agent Skills tools for Codex / OpenAI

by Jesse Vincent - A strong bundle of core competencies for software engineering, with good coverage of a large portion of the SDLC - from planning, reviewing, testing, debugging... Well written, well organized, and adaptable. The author refers to them as "superpowers", but many of them are just consolidating engineering best practices - which sometimes does feel like a superpower when working wit

by Affaan Mustafa - Top-notch, well-written resources covering "just about everything" from core engineering domains. What's nice about this "everything-" store is most of the resources have significant standalone value and unlike some all-encompassing frameworks, although you can opt in to the author's own specific workflow patterns if you choose, the individual resources offer exemplary patterns

(67.0k ⭐) - AI coding assistant skill (Claude Code, Codex, OpenCode, OpenClaw, Factory Droid, Trae)

by Julius Brussee - A plugin that conserves message tokens by communicating in fragmented "caveman speak" - sort of a clever form of compression. Now accompanied by a whole caveman ecosystem including a memory system, caveman spec kit, and a caveman agent

Production-grade engineering skills for AI coding agents, packaged as 24 reusable skills covering the full development lifecycle from /spec to /ship. The slash-command interface and context-aware auto-activation make it a concrete reference for turning senior-engineering judgment into agent-executable harness artifacts

Frontend design taste skill collection covering premium UI generation, redesign audits, GSAP motion, Stitch design systems, minimalist and brutalist visual modes, and full-output enforcement

by tt-a1i - An Agent Skill for Claude Code that generates interactive architecture, workflow, sequence, data-flow, and lifecycle diagrams as standalone HTML. Typed JSON, local renderers, and delivery checks support source-linked node details, path tracing, themes, and export

(59.1k ⭐) - Claude Code skills that turn any codebase into an interactive knowledge graph you can explore, search, and ask questions about (Multi-platform e.g., Codex are supported)

AI-powered job search orchestrator built on Claude Code. 14-skill pipeline that evaluates jobs, generates ATS-tailored PDFs, and tracks applications. Local-first, MIT

30 curated skills + 832 SaaS automation templates via Composio. Strong on document processing, creative, and business skills

(24.1k ⭐) - A Claude Code skill that removes signs of AI-generated writing from text, making it sound more natural and human

(33.3k ⭐) - Marketing skills for Claude Code and AI agents. CRO, copywriting, SEO, analytics, and growth engineering

by K-Dense - "A set of ready-to-use Agent Skills for research, science, engineering, analysis, finance and writing." That's their description - modest, simple. That's how you can tell this is really one of the best skills repos on GitHub. If you've ever thought about getting a PhD... just read all of these documents instead. Also I think it IS an AI agent or something? Awesome

Obsidian-focused skills for markdown, Bases, JSON Canvas, CLI workflows, and content cleanup

Installable library of 1,400+ agentic skills for Claude Code, Cursor, Codex CLI, Gemini CLI, and more. The largest community-driven skill catalog with an npm installer and role-based bundles — a concrete reference for treating skills as versioned harness artifacts rather than ad-hoc prompts

(29.2k ⭐) - Design skill and CLI for building, auditing, and redesigning interfaces with checks for common AI-generated design patterns

Arm Cloud Migration Assistant accelerates moving x86 workloads to Arm infrastructure. It scans the repository for architecture assumptions, portability issues, container base image and dependency incompatibilities, and recommends Arm-optimized changes. It can drive multi-arch container builds, validate performance, and guide optimization, enabling smooth cross-platform deployment directly inside G

1,000+ agent skills from official dev teams and community. Works with Codex, Claude Code, Gemini CLI, Cursor

753 cybersecurity skills across 38 domains: cloud security, pentesting, red teaming, DFIR, malware analysis, threat intel, and more (MITRE ATT&CK mapped)

OfficeCLI is the first and best Office suite purpose-built for AI agents to read, edit, and automate Word, Excel, and PowerPoint files. Free, open-source, single binary, no Office installation required.

Wraps 250+ SaaS APIs (GitHub, Slack, Linear, Notion, etc.) as agent-ready actions with managed OAuth, so tool integration becomes a one-line import rather than a custom harness component per service. The fastest path from "the agent needs to call an external API" to a production-grade, authenticated tool

192 production-ready skills across 9 domains (engineering, marketing, product, compliance, C-level advisory) with 254 Python automation tools. 5,300+ stars

(17.2k ⭐) - A Claude Code Skill that turns prompts into horizontal-swipe magazine-style HTML decks

Official skills catalog: .system, .curated, and .experimental skills. The authoritative upstream source

Huashu Design 3.0 · 在 agent 里打一句话，拿回能交付的设计：网页 / App 原型 / 可编辑 PPTX / 动画 / 信息图 · 六个候选挑三个方向 · 84 种带样张的风格库 · 越用越懂你的外观账本与设计体检 · HTML-native design skill for Claude Code, Codex, Cursor & any agent

(23.3k ⭐) - Claude Code skill implementing Manus-style persistent markdown planning — the workflow pattern behind the $2B acquisition

(24.7k ⭐) - A collection of 20+ skills for writing, image generation, presentations, social publishing, and other daily work with Claude Code, Codex, and compatible agents

Distilly — Distill how they think into reusable Skills for any Agent or Bot. Formerly Colleague Skill（原同事 Skill）.

The open AGENTS.md specification under Linux Foundation. 60k+ adopting projects

by NVIDIA - Security scanner for AI agent skills. Detect vulnerabilities, malicious patterns, and security risks

Query Chinese AI news, current topics, and daily briefs from AIHOT through anonymous read-only requests; retain dates and original-source links. Service terms apply separately from the MIT-licensed skill

The fastest browser for AI agents to run browser automation, built for sharing your logged-in browser state with your AI agents, like Codex or Claude Code, without disturbing you. Zero cost, zero config.

(18.8k ⭐) - Unofficial Python API and agentic skill for Google NotebookLM, with programmatic access through Python, a CLI, and AI agents such as Claude Code, Codex, and OpenClaw

Markdown-first research workflows for Claude Code and other agents, centered on autonomous literature review, experiments, paper iteration, and cross-model critique

Community collection of practical Codex skills for development, productivity, and SaaS workflows

(2.2k ⭐) - Claude Code and Codex skill for creating cinematic product videos with Remotion shot recipes and templates

Comprehensive skill library including autoresearch orchestration with two-loop architecture (inner optimization + outer synthesis)

Formerly KrillinAI, VideoTranslation and Dubbing Tool for 120+ Languages. Open-source AI workspace for creators, powered by Codex. Video downloader, video translation, create videos, images, audios, and edits with Agents in one place. For your Social Media like YouTube, TikTok, Instagram, etc.

(598 ⭐) - A collection of design skills for Claude Code, Cursor, Codex, Windsurf, and other tools that read Markdown rules

👩‍🚒 Good content deserves good paper. Layout rules and templates that let AI agents export PDF, PNG and editable PowerPoint.

Free, open-source AI Office suite: Docs, Sheets, Slides, PDF, Markdown and HTML editors with a built-in AI agent, plus a `genoffice` CLI and agent skill so Claude Code, Codex and Cursor can create and edit real .docx/.xlsx/.pptx files locally. Bring your own key. macOS, Windows & Linux.

Claude Code / Codex / OpenCode agent skills for writing Chinese web novels (网文): 扫榜、拆文、写作、去AI味、封面全流程，长篇短篇都支持 | 14 skills for novel writing and long-form fiction with file-based continuity tracking. MIT.

(3.8k ⭐) - Skill package for ML/CV/NLP paper writing, curated and adapted from Prof. Peng Sida's open notes for Codex, Claude Code, and Gemini

(3.5k ⭐) - Claude Code / Codex skill — generate Xiaohongshu carousels & WeChat 21:9+1:1 cover pairs

(5.1k ⭐) - Product Management skills framework built on battle-tested methods for Claude Code, Cowork, Codex, and AI agents

The first open-source agent skills builder. Define skills by vibe workflow, run on Claude Code, Cursor, Codex & more. Build Clawdbot 🦞· APIs for Lovable · Bots for Slack & Lark/Feishu · Skills are infrastructure, not prompts.

(2.1k ⭐) - GPT-Image-2 PPT generator skill for creating image-based slide decks

(5.7k ⭐) - Engineering habits you already know, turned into skills Claude can run

(1.0k ⭐) - Codex skill for generating quiet, minimal zine-style editorial poster prompts and images

Enterprise-grade, local-first Agent Workbench for people and agent teams. A unified multi-engine workspace for Codex Harness, DeepSeek Harness, and OpenCode, with unified plugins and Skills, multi-agent projects and tasks, and editable code, documents, presentations, design, and video.

(3.4k ⭐) - Claude Code skills that build complete Godot 4 projects from a game description

(6.7k ⭐) - Agent skills for design, web development, game development, and creative work across Claude Code, Codex, and other coding agents

Data visualization Skill for AI Agents, turning data into polished, interactive HTML charts. 面向 AI Agents 的数据可视化 Skill，将数据快速生成精致、可交互的 HTML 图表。

SwiftUI agent skill by Paul Hudson. Covers navigation, layout, animations, state management, VoiceOver

(1.4k ⭐) - Game development skills for engines and frameworks including Godot, Unity, Unreal, Phaser, Bevy, and Roblox

On-screen aware AI assistant for your desktop. Uses current app context, multiple LLMs, and MCP tools to help you act across apps.

Community-curated Agent Skills directory focused on real-world skills used by engineering teams

(3.9k ⭐) - Agent Skill for generating simple, rounded IP mascot logos with subtle neo-skeuomorphic styling

Identify and remove AI watermarks and provenance metadata (Gemini and Veo marks, SynthID, C2PA, EXIF) in images and video you generated yourself, plus provenance metadata in audio. Runs as uvx remove-ai-watermarks mcp

(3.0k ⭐) - GPT Image 2 prompt gallery, image prompt library, agentic skill, and CLI for OpenAI image generation/editing

(1.0k ⭐) - Run Claude Design locally as an Agent Skill

(295 ⭐) - Logo design skill with guidance on visual principles, SVG production, testing, and a reference library

(2.6k ⭐) - Generate production-ready Lottie animations with Claude Code or Codex

by Serge Bulaev - A set of skills for LinkedIn marketing: drafting posts, comments and replies, extracting the hook formula from a viral post, planning a week of content, rewriting a profile, and segmenting the people who engaged. Posts are read through Apify and published through Publora, and every skill shows a draft for approval before anything goes out

by Conor Bronsdon - A portable writing skill that audits and rewrites prose to remove "AI-isms" — 49+ pattern categories and a tiered word-replacement vocabulary, with detect / rewrite / edit-in-place modes, content-type and voice profiles, and a two-pass re-check. Stands well above the crowded de-slop field: it ships a deterministic, zero-dependency detector engine (the single source of its 0–100

(927 ⭐) - Social-media research skills for AI agents powered by ScrapeCreators

by Oldcircle - An agent skill that geolocates a photo with no readable text. Single-purpose Python scripts search and rank candidates using OpenStreetMap geometry, elevation skylines, satellite imagery and street view. The answer comes with a camera position, heading, error radius and an evidence image. NOTE: Scripts involve contact with Baidu and Yandex

(4,854 ⭐) - Persistent memory for Claude Code and other agents in an Obsidian vault, with linked Markdown notes, semantic search, and a shared agent logbook

(2.7k ⭐) - Agent Skill for generating 2D sprite sheets and map, transparent PNG frames, and animated GIFs from prompts

Beautiful, AI-native markdown IDE and LLM wiki

The first vision plugin for DeepSeek Harness, and the vision bridge for every text-only coding agent. Paste an image, get structured JSON evidence (OCR, layout, semantics). | 全网最强 DeepSeek Harness 外挂视觉插件，为 DeepSeek、GLM 等纯文本模型外挂视觉能力，粘贴图片即得结构化 JSON 证据（OCR、版面、语义）。

(814 ⭐) - A skill for coding agents. Tree-of-thought with pruning, built on the Claude & Codex Agent SDK

An agent skill for building premium, immersive, scroll-driven websites. Works with Codex, Claude Code, and other coding agents. Also available as a Claude Code plugin.

(3.8k ⭐) - Deep research skill for Claude Code and Codex that saves web findings in a persistent, searchable wiki

(919 ⭐) - Local FFmpeg Agent Skill for Claude Code, Cursor, and Codex with structured video and audio editing tools

把 Markdown 一键排成可直接粘进公众号编辑器的精致 HTML —— 6 套精选主题 + 主题生成器 + 双关卡校验。An AI-agent skill that turns Markdown into paste-ready WeChat article HTML.

Serenity-inspired Agent Skill for supply-chain bottleneck stock research

(2.0k ⭐) - An Agent Skill that applies ASD-STE100 Simplified Technical English rules to documentation produced by Claude Code, Codex, and other compatible agents

(3.7k ⭐) - A collection of reusable development skills for Apple platforms, GitHub workflows, refactoring, diff review swarms, bug investigation swarms, code review, React performance work, and skill curation

(1.9k ⭐) - Agent skills that turn top-grossing app patterns into native-quality mobile screens

Qwen-Image 2.1 NSFW/姿势出图 skill：作者级提示词配方 + NSFW LoRA + 136 姿势 VNCCS 人偶控制；适用 Claude Code / Codex / Cursor / OpenClaw

Knowhere extracts, parses, and outputs structured chunks ready for AI Agents and RAG.

(866 ⭐) - Agent skill for elegant and simple html plans, architecture diagrams, or whatever else you can think of

(2.1k ⭐) - AI agent skills published by NVIDIA

A skills governed plug-and-play harness for staged, test-driven skill orchestration

(2.2k ⭐) - A collection of Golang agentic skills that works

Turn any script into viral, multi-style animated stickman videos for Faceless YouTube Channels. Automate visuals, voiceover, captions & SFX. 100% Free & Open-Source.

开源 AI 短剧/漫剧创作 skill 合集：剧本、角色资产、分镜 storyboard、图片/视频提示词、审查，适配 Claude Code 与 Codex | Open-source AI short drama / micro-drama skills for Claude Code & Codex: script, assets, storyboard, image & video prompts, review. MIT.

(2.4k ⭐) - Agent skills for solving CTF challenges - web exploitation, binary pwn, crypto, reverse engineering, forensics, OSINT, and more

(782 ⭐) - A writing skill for Claude Code, Codex, Grok Build, and Antigravity that repairs narrative structure in fiction and applies venue-specific rules to professional prose

Xiaohongshu (Little Red Book) auto-publish, auto-comment, auto-search skill for Codex and Claude Code

(1.3k ⭐) - Design skill directory for agentic tools, covering DESIGN.md and SKILL.md files for Claude Design, Codex, Cursor, and related AI tools

现代化可灵活嵌入的任务面板，支持 Codex、DeepSeek Harness

Use pstack with claude, codex, pi - Skills and principles for rigorous AI-assisted engineering

(1.6k ⭐) - Claude Code skill for hardening implementation plans through reconnaissance, focused questioning, adversarial Codex review, and cross-model build inspection

Official Loop Library skill - find, adapt, and design bounded AI-agent feedback loops with verification, stop rules, guardrails, and handoffs (MIT)

Qwen's official multimodal plugin suite packages vision, video, document, 3D, and CAD capabilities as portable skills and MCP servers across Claude Code, Codex, OpenCode, and other harnesses. It shows how to make a text-first coding harness multimodal-native without rebuilding the agent loop

(1.9k ⭐) - AGENTS.md rules and skills for Codex, Cursor, Claude Code, Gemini CLI, and related coding agents

Standardized framework for defining, versioning, and distributing agent skills. Enables skill reuse across Claude Code, Copilot, VS Code, Gemini, and other platforms — a harness-level abstraction that makes skills first-class deployment artifacts rather than ad-hoc tool definitions

(155 ⭐) - Academic writing skill for revising research text into clearer, more natural prose while preserving technical meaning