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.
benjaminstelzer/scoville-scribe-anti-ai-slop
Skill Codex
Guardrail for requested wording artifacts and transformations such as drafting, editing, source summaries, localization, source-exact work, wording audits, and reader-facing interface text. Use when wording itself is the deliverable or an independently constrained segment. Do not use for ordinary conversation…
Skill Claude CodeCodex
Drive a running After Effects instance directly from the shell to build, edit and render motion graphics — no MCP, plugin or panel required. Use whenever the user wants Claude to work inside After Effects: building animations, title sequences, logo stings, UI/product motion, data visualisations, or fixing an existing…
Skill Claude CodeCodex
CLI-only shortcuts for metagit agents — workspace catalog, discovery, prompts, sync, layout, and config. Use instead of MCP or HTTP API when operating from a shell or agentmode session.
Skill Claude CodeCodex
AgentOS uses a modular 3-tier ReAct reasoning engine. The AI (Gemini 2.0 Flash / Claude Sonnet 4.6 / GPT-4o / Ollama) automatically discovers, chains, and executes these skills via the Tool Registry and Skill Loader.
Skill Claude CodeCodex
MUST USE when user wants to research/search/look up anything on the internet — e.g. research X across the whole web / help me research X / look up X / search for X / see what people say about X / what's being discussed about X / research this topic. Also MUST USE proactively when the user: wants to watch/track/monitor…
Skill Claude CodeCodex
Take a fuzzy idea (or an existing thing you want to improve) through a disciplined funnel — explore → pressure-test → converge — and produce one living CONCEPTBRIEF.md: a locked concept + phased roadmap. Acts as a blunt, honest co-founder (permission to overrule you), forces a success metric and a kill criterion…
Skill Claude CodeCodex
Run a standardized XORCISE agent benchmark — pick a ready-made playbook (or build your own from existing missions), point it at any OpenHands-supported model(s), and get a polished eval-card HTML report of how each model performed across the missions. Warns you about cost before spending anything.
Skill Claude CodeCodex
Builds a release marketing pack from README Version History: device screenshots, GenerateImage feature board and phone/web mockup posters, and a newsletter draft. Asks for brand/app icon (if not already defined) and platform (Android, iOS, or web). Use when the user says promote release, marketing posters, release…
Skill Claude CodeCodex
A routing skill that searches a library of more than 300 skills and identifies the best match for a task. It is used when no currently installed skill fits or when someone asks to find a skill.
frankxai/affiliate-agent-skills
Skill Claude CodeCodex
The operating brain for building income systems with AI agents. Use when planning, building, or scaling an affiliate/content/product income network — deciding what to build next, where money actually comes from, how to make it compound, and how the system improves itself. Composes affiliate-audit. Trigger phrases…
zonji6/technology-learning-judgment
Skill Codex
Use when creating, revising, or reviewing technical learning material, a technical proposal, or AI-generated implementation that needs accurate mechanism explanations, honest capability boundaries, and industry alternatives rather than API summaries or inflated claims.
Skill Claude CodeCodex
Score your own Claude Code and Codex CLI sessions on YC Paxel's exact 5-axis rubric, locally, with Claude as the scorer (no upload, no backend). Use when the user wants to see how Paxel would evaluate their work, run a self-assessment on Execution Leverage / Steering / Engineering Quality / Product Thinking /…
Skill Claude CodeCodex
Industry research assistant for general AI agents. Use for industry overviews, industry question decomposition, company or product positioning, industry maps, lifecycle assessment, information source selection, profitability analysis, valuation logic, prosperity indicators, PEST analysis, competitive structure, risk…
Skill Claude CodeCodex
Software architecture engineering consultancy skill. Analyzes overall application structure, recommends sustainable approaches, enforces architectural consistency, and documents decisions for future sessions. Use this skill whenever the user asks about system design, architecture decisions, feature integration…
chrisgeenyc/price-on-the-proof
Skill Claude CodeCodex
Set a defensible price for a consulting engagement, advisory retainer, coaching package, workshop, training, or cohort course by triangulating three anchors — the value created (an ROI estimate), the market band (real comparables), and a cost floor — then tune it over time with a quarterly close-rate diagnostic. Built…
zhoufz021/interpret-modeling-problems
Skill Codex
A method for turning a mathematical modelling contest problem and its attachments into a checked plan for solving and documenting it.
catharinepalatial88/bazi-skill
Skill Claude CodeCodex
An interactive Chinese Four Pillars astrology reading, also called Bazi, based on a person's birth details. It uses the birth date, time, gender, birthplace, and traditional reference texts to create and interpret a chart.
Skill Claude CodeCodex
A B2B lead-generation tool for finding companies by industry, product, region, or size, checking information across public sources, and saving contact details and lead records.
Skill Codex
Use for App Store Optimization (ASO) of iOS or Android apps when the task involves Applyra, keyword research, rank tracking, competitor gaps, store metadata, localization, screenshots, conversion experiments, ASO audits, or repository metadata implementation. Use Applyra MCP as the source for traffic, difficulty, KEI…
szkocot/andrej-karpathy-skills
Skill Claude CodeCodex
Behavioral guidelines to reduce common LLM coding mistakes. Use when writing, reviewing, or refactoring code to avoid overcomplication, make surgical changes, surface assumptions, and define verifiable success criteria.
Skill Claude CodeCodex
Python software engineering guidelines from real PR review patterns. This skill should be used when writing, reviewing, or refactoring Python code — especially dataclasses, service interfaces, error handling, and type annotations. Triggers on tasks involving Python modules, API design, data modeling, type safety…
Skill Claude CodeCodex
Use when needing to look up book content inside my own Amazon (Kindle) book library (purchases + any personal docs), find a book by title/author, download an ebook I own (where Amazon permits), or reference material from a published book I’ve purchased. Triggers on book lookups, ebook downloads, "find the book", "get…
Skill Codex
A Chinese-language course companion for learning AI-generated product images for online shops. It guides students through product information, multiple product variants, selling-point graphics, detail pages, image prompts, and failed-image diagnosis.
rodolfoconcepcion/unifi-udm-pro-mcp
Skill Claude CodeCodex
UniFi UDM Pro MCP Server for managing networks, connected clients, Wi-Fi settings, and device health via Model Context Protocol.
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: