Skills, prompts, AGENTS.md files and MCP servers that Codex reads. Skills are shared with Claude Code; the rest is Codex-native. 274,251 indexed, measured the same four ways as everything else here.
Skill Claude CodeCodex
A workflow for creating frontend user-interface visuals with AI, from visual reference and real materials to generated code, browser screenshots, and visual comparison. It focuses on layouts, typography, exact text, interface states, and avoiding invented content.
Skill Claude CodeCodex
Create, validate, and maintain a structured .agent-context directory for a repository so AI agents navigate the codebase efficiently and make higher-quality decisions. Use when setting up agent context for a new repo, updating context after agent work, or catching up context after human work.
Skill Claude CodeCodex
Use this skill when the user is building against Anthropic APIs or SDKs, including @anthropic-ai/sdk, anthropic, or Agent SDK integrations.
Alan1112223331/multi-robot-skill
Skill Claude CodeCodex
A coordination tool for controlling several robots through their HTTP APIs, such as robotic arms and four-legged robots. It can use feedback from the robots to adapt actions and run tasks in parallel.
Snorlax-zzZ/knowledge-base-system-oss
Skill Claude CodeCodex
A development workflow that searches an engineering knowledge base before starting coding work. The description is partly in Chinese and does not specify the knowledge base’s contents.
Skill Claude CodeCodex
Generate meme images from a template and caption text using the meme CLI (a wrapper over the free memegen.link API). Use whenever the user asks to make/create/generate a meme, add a caption to a meme template, react with a meme, or wants a funny image with top/bottom text. This is the correct and only way to make a…
gtskevin/ob-methods-results-check
Skill Codex
Audit organizational behavior, management, HRM, and work-psychology manuscript Methods and Results evidence before submission. Use when checking full manuscripts, methods/results sections, tables, figures, appendices, field surveys, experiments, mediation, moderation, CFA, SEM, multilevel reporting, statistical…
Skill Claude CodeCodex
Conducts a deep, multi-round interview to clarify ambiguous requirements and produces a structured specification document. Automatically discovers requirement files and asks probing, non-obvious questions across technical implementation, UX/UI, trade-offs, edge cases, and architectural decisions.
Skill Claude CodeCodex
Explain source code using structured text explanations and Excalidraw diagrams. Use this skill when users ask to visualize code, explain code architecture, create class diagrams, flow diagrams, ER diagrams, feature diagrams, component diagrams, sequence diagrams, or any software engineering visualization from source…
anniekoala/xiaohei-code-decoder
Skill Claude CodeCodex
A tool that turns a codebase or GitHub repository into a bilingual Chinese-and-English illustrated explanation. It saves the explanation as a single HTML slide deck in a hand-drawn Xiaohei style.
chuyanchu/maintain-project-continuity
Skill Codex
Initialize, audit, resume, and hand off durable, evidence-backed project context across Codex, Claude Code, and fresh AI coding conversations, including discovery of Obsidian or other external knowledge sources. Use when a user wants to prevent long-chat context loss, create AGENTS.md/CLAUDE.md plus project status and…
mokouliszt/iQRSimpCPUCommSkill
Skill Claude CodeCodex
A tool for creating, checking, and analysing configuration CSV files for the Simple CPU Communication feature in Mitsubishi MELSEC iQ-R programmable controllers. GX Works3 is Mitsubishi’s software for configuring these controllers, and the files use a specific UTF-16 tab-separated format.
CarolMonroe22/supabase-db-supervisor
Skill Claude CodeCodex
Fresh-eyes supervision pass for any database work an AI agent just built (schema, RLS policies, migrations, edge functions touching the database, storage policies). The builder never grades its own homework - a separate agent plays the "Investigate" role, proves who-can-see-what with real queries, and gives an…
Skill Claude CodeCodex needs its repo
A read-only natural-language assistant for querying Alibaba Cloud resources such as servers, databases, networks, load balancers, and object storage.
mateo-cuello/orchestrator-claude--agy
Skill Claude CodeCodex
Playbook for delegating work to Google Antigravity (Gemini) sub-agents through the agydispatch and agyfanout MCP tools. Use when a research or coding task benefits from parallelism, from offloading context, or from a second opinion from a different model family.
Skill Claude CodeCodex
ADR + Spec mandatory gate before any project or feature development. Architecture Decision Records and Software Design Docs enforce design clarity. Use when starting a new project, initiating non-trivial features, or discussing architecture decisions and design docs.
Angrycain/munger-mental-models
Skill Claude CodeCodex
A structured decision-analysis toolkit based on Charlie Munger's mental models from multiple academic disciplines.
Skill Codex
Generate and revise raster cover images for blog posts and articles from a title, brief, draft, local file, URL content supplied by the user, or reference images. Use when Codex needs to create a blog cover, article hero/header image, editorial thumbnail, Open Graph/social preview visual, or a channel-specific cover…
bensig/knowledge-panel-playbook
Skill Claude CodeCodex
Walk a user through getting a Google Knowledge Panel for their name — generates customized JSON-LD schema, llms.txt, and robots.txt. Do not create Wikidata items as an SEO step. Use when the user wants a Google Knowledge Panel, wants to "looksmax" their search results, asks how to get their face in the box on the…
Skill Claude CodeCodex
Career Profile builder — a guided, multilingual interview that creates or updates the single Markdown document holding a person's whole career. Use when the user wants to build, resume, or expand their Career Profile; turn an existing CV/résumé into one (import); or review/audit their profile or a CV for content gaps…
vbalasu/grill-me-store-decisions
Skill Claude CodeCodex
Interview the user relentlessly about a plan or design until reaching shared understanding, resolving each branch of the decision tree, AND persist the full decision tree (selected + rejected options, recommendations, AND cost tradeoffs) to decision-tree.md in the current repo so choices can be revisited later. Use…
Foster1202/cad-modeling-fusion-skill
Skill Claude CodeCodex
Generate parametric CAD model specifications and Autodesk Fusion Python scripts from natural-language 3D modeling requests. Use when the user asks to create, automate, modify, export, or validate CAD models for Fusion, FreeCAD, OpenSCAD, STEP, STL, OBJ, or 3D printing.
whaojie797-design/Novera-AI-skills
Skill Claude CodeCodex
A test-generation tool for Python that creates runnable pytest tests. Pytest is a Python tool for writing and running automated tests.
Skill Claude CodeCodex
A workflow that uses Siyuan Note and Claude Code to build and maintain a linked knowledge wiki from your documents. It adds pages, connections between related ideas, and checks for conflicting information.
At most 3 mods per repository are shown here, and a mod shipped inside a plugin is left to that plugin's page — the rest are on their repository pages: