Skills, prompts, AGENTS.md files and MCP servers that Codex reads. Skills are shared with Claude Code; the rest is Codex-native. 274,359 indexed, measured the same four ways as everything else here.
Skill Claude CodeCodex
Set up and maintain a "project brain" — a brain/ folder holding three living documents (decisions.md, flow.md, todo.md) that give a project persistent memory across chat sessions. Use this skill whenever the user wants a decision log, architecture/flow notes, project memory, living documentation, or notes that survive…
Philotheephilix/reactbits.dev-skill
Skill Claude CodeCodex
Use when adding an animated UI component, text effect, cursor/hover effect, or WebGL/canvas background to a React project via React Bits (reactbits.dev) — or when asked to recall/write a React Bits component's code, props, or install steps from memory instead of fetching it.
Skill Claude CodeCodex
Future-first, self-sustaining guidance for writing modern Svelte 5 and SvelteKit 3 (current) / SvelteKit 2 (legacy) code. Use this skill whenever the user asks about Svelte, SvelteKit, or frontend code that is clearly Svelte. Contains embedded protocols for autonomous major version promotion and experimental feature…
holy-templar/thumbnail-machine
Skill Claude CodeCodex
Generate ready-to-run thumbnail/cover image prompts from any article, script, or topic — 5 formats (16:9, 9:16, 1:1, 5:2, 3:4), 10 composition styles, real-person face consistency via multi-reference images. Three delivery paths chosen at the end: generate directly via MaxFusion AI MCP (default model Nano Banana Pro…
code-lawyer/Legal-Agent-Skills
Skill Claude CodeCodex
A legal research skill for finding and analysing laws and court cases, including similar cases. It requires access to a reliable legal research database before producing a formal report.
Skill Claude CodeCodex
Use when the user says "sparring", "run sparring with Claude", "do sparring with Claude", "do sparring with GPT-5", "sparring with Codex", "sparring my plan with Claude", "discuss this approach with Codex", "get a second opinion through sparring", "give me the sparring transcript", "read the long sparring answer", or…
Skill Claude CodeCodex
Set up or re-sync the agent-stack optimization layer (CLAUDE.md, skills, hooks, code graph, shell compression, Cursor mirror) for a repo. Use when onboarding a repo, right after cloning, or when the agent context feels bloated/unoptimized. Runs agent-stack init under the hood — detect, install adapters, generate…
Skill Claude CodeCodex
A Chinese-language astrology consultation workflow combining Four Pillars astrology and Zi Wei Dou Shu, two traditional Chinese methods based on birth information and charts.
imamirezaei/Product-Team-Claude-Skills
Skill Claude CodeCodex
Use this skill to generate interactive HTML wireframes showing a feature in multiple states AND multiple interaction pattern variants. Triggers: 'show me what this looks like', 'generate a wireframe', 'I want to see all the states', 'show me different ways to implement this', 'make a visual prototype of the flow'…
ooooooooooooooooooop/agent-tools
Skill Codex
A set of rules for carrying out long, multi-tool coding-agent sessions without wasting work or losing track of progress. It covers waiting for background tasks, handling failed checks, assigning subagents, saving results, and closing each work round cleanly.
Skill Claude CodeCodex
Reorder and purify scattered image-generation tags (Stable Diffusion, Flux, NovelAI, ComfyUI, WebUI, danbooru-style booru tags) into a single clean comma-separated prompt string built on a visual-weight pyramid. Use this skill PROACTIVELY whenever the user is writing or fixing a prompt for diffusion models — tags…
Skill Claude CodeCodex
ExpertLens-Lite forces expert-level reasoning on any task — the compressed, single-companion-file version of ExpertLens. Activates on "deep think", "expert mode", "do it properly", "production ready", "think deeply", "best possible way" (any language), or auto-triggers for creative work, system design, strategy…
Skill Claude CodeCodex
Act as a licensing expert who helps the user choose or write a license for their project. Use this WHENEVER the user asks "what license should I use", wants to license a repo, library, app, content, dataset, fonts, or hardware, is unsure between MIT / Apache / GPL / AGPL / BSD / MPL / Creative Commons, asks about…
Zephyrex21/claude-skills-vetted
Skill Claude CodeCodex
Use when creating new skills, editing existing skills, or verifying skills work before deployment.
Justinjchen-Cornell/Science-Research-Writing-Skill
Skill Claude CodeCodex
Knowledge base from 'Science Research Writing for Non-Native Speakers of English' by Hilary Glasman-Deal (Imperial College London). Use when writing any section of a science research paper or thesis (Introduction, Methodology, Results, Discussion, Abstract), choosing verb tenses or passive/active voice, hedging causal…
kongyo2/prompt-engineering-skill
Skill Claude CodeCodex
Comprehensive prompt engineering framework for designing, optimizing, and iterating LLM prompts. This skill should be used when users request prompt creation, optimization, or improvement for any LLM task, or when users need help translating vague requirements into effective prompts through collaborative dialogue and…
jonfdag-dot/postgres-claude-skills-generator
Skill Claude CodeCodex
Product analytics analyst at Northwind Logistics — owns in-product behavior on the Northwind portal AFTER signup (feature adoption, A/B test outcomes, funnel conversion, engagement depth). Sister role to growth-marketing (which owns acquisition + retention BEFORE/AFTER signup). Reads from public.events…
Skill Claude CodeCodex needs its repo
TOM and ADOMD.NET guidance via PowerShell for connecting to Power BI Desktop's local Analysis Services instance. Covers model enumeration, DAX queries, metadata modification, annotations, calendar definitions, field parameters, query tracing, and DAX library package management (daxlib.org). Automatically invoke when…
Out-bloodspavin173/openalex-skill
Skill Claude CodeCodex
Use when the user asks about academic literature, research papers, scholarly works, authors, citations, institutions, journals, or any academic metadata. Trigger when users want to search for papers, find author profiles, track citations, discover related works, or explore academic topics. Also use when users mention…
Skill Claude CodeCodex
A Chinese-language skill for creating prompts, including analysing requirements, asking follow-up questions, applying prompt structures, and producing multiple versions.
Hearmeman24/minimax-worldbuilder
Skill Claude CodeCodex
Compose MiniMax-H3 video-with-native-audio prompts in H3's mandatory structured format — full-reference (Ref2VA) and text-to-video (T2VA) only. Use whenever the target model is MiniMax-H3: the user says MiniMax, MiniMax-H3, H3, ref2va / r2v / t2v, names a minimaxh3 checkpoint, or names the MiniMaxH3ReferenceToVideo /…
artnebo/cinematic-frame-director
Skill Claude CodeCodex
Turn a user's idea, scene description, or mood into ONE production-grade cinematic still-image prompt in English for text-to-image models (Seedream, Midjourney, Flux, DALL-E, or any image generator). Use this skill whenever the user asks for an image prompt, a cinematic frame, a "movie still" look, a photorealistic…
Skill Claude CodeCodex
Execute approved bounded browser Test DSL cases with fresh isolated contexts and auditable attempts. Use when running browser tests, reruns, regression checks, or blocked execution diagnostics.
yuyou-dev/Ikea-model-collector
Skill Codex
Collect user-observed IKEA product GLB models into verified local research collections with provenance, dimensions, optional Blender previews, a Three.js gallery, indexes, and handoff. Use when Codex is asked to find an IKEA product's available 3D model, process a user-specified product list, import browser-captured…
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: