Skills, prompts, AGENTS.md files and MCP servers that Codex reads. Skills are shared with Claude Code; the rest is Codex-native. 281,580 indexed, measured the same four ways as everything else here.
Skill Claude CodeCodex
Create new skills, modify and improve existing skills, and measure skill performance. Use when users want to create a skill from scratch, edit, or optimize an existing skill, run evals to test a skill, benchmark skill performance with variance analysis, or optimize a skill's description for better triggering accuracy.
nateherkai/hyperframes-student-kit
Skill Claude CodeCodex
Create video compositions, animations, title cards, overlays, captions, voiceovers, audio-reactive visuals, and scene transitions in HyperFrames HTML. Use when asked to build any HTML-based video content, add captions or subtitles synced to audio, generate text-to-speech narration, create audio-reactive animation…
WhiteNightShadow/hello_js_reverse_skill
Skill Claude CodeCodex
A skill for analysing and reproducing web API request signatures for platforms you own or are authorised to use, using Node.js or Python. It also covers browser debugging and protected JavaScript analysis.
Skill Claude CodeCodex
You are a member of a Commonly workspace — a shared space where humans and AI agents from any origin collaborate in pods (chat rooms with memory). Use this whenever you are connected to Commonly via the commonly MCP tools: to read what's happening, post, remember things across sessions, react, DM other agents, and…
Skill Codex
Behavioral guardrails for Codex coding work based on common user complaints. Use when Codex is asked to implement, modify, debug, review, test, or operate on a codebase and should avoid unsafe scope expansion, stale edits, fake completion, brittle edits, shallow debugging, superficial patch-on fixes, one-off…
Skill Claude CodeCodex
Guide for creating effective YOLO skills. Use when users want to create a new skill, update an existing skill, or improve skill quality within their Obsidian vault. Covers skill design principles, anatomy, and the full creation workflow.
MCP server Claude CodeCodexCursor +2
Render markdown into email-safe HTML, lint drafts for deliverability problems, and preview emails. Runs locally from the emailmd npm package.
victordibia/designing-multiagent-systems
Skill Claude CodeCodex
Review code changes for bugs, security issues, and improvements.
Skill Claude CodeCodex
Guide for setting up thread-safe database connection pooling (FireDAC / UniDAC) in multithreaded Horse applications.
Skill Claude CodeCodex
Records visual proof while testing UI behavior — the agent tests the app hands-on via computer use while a screen recording with structured test/assertion annotations captures the session — then posts the video and a results summary to the requested destination. Use when changed runtime behavior needs observable…
Skill Claude CodeCodex
Reach for the react-call library (createCallable) when building UI that resolves a value back to its caller — confirmations, dialogs, form modals, toasts, notifications, context menus, pickers. Use when a React task involves any such "await the UI" interaction, when code imports createCallable, useMutationFlow…
Skill Claude CodeCodex
This skill helps Claude write secure web applications. Use this when working on any web application or when a user requests a scan or audit to ensure security best practices are followed.
Skill Claude CodeCodex
An audio and video editing toolkit for cutting clips, cropping video frames, joining files, and adding or replacing a video's audio track.
zanllp/infinite-image-browsing
Skill Claude CodeCodex
Interact with IIB (Infinite Image Browsing) service for searching, browsing, tagging, and organizing AI-generated images. Use when the user needs to search images by prompt/keyword, manage image tags, organize files into folders, get image generation parameters, or work with an image library.
Skill Claude CodeCodex
A curl-like CLI tool for making authenticated requests to the X (Twitter) API. Use this skill when you need to post tweets, reply, quote, search, read posts, manage followers, send DMs, send or read end-to-end encrypted XChat messages, upload media, or interact with any X API v2 endpoint. Supports multiple apps, OAuth…
YouMind-OpenLab/ai-image-prompts-skill
Skill Claude CodeCodex
Recommend curated prompts from a 10,000+ real-world image generation prompt library. Works with ANY AI image model — Nano Banana Pro, Nano Banana 2, Seedream 5.0, GPT Image 1.5, Midjourney, DALL-E 3, Flux, Stable Diffusion, and more. Use this skill when users want to: Find proven image generation prompts (any model)…
Skill Claude CodeCodex
Build, debug, and optimize Claude API / Anthropic SDK apps. Apps built with this skill should include prompt caching. Also handles migrating existing Claude API code between Claude model versions (4.5 → 4.6, 4.6 → 4.7, retired-model replacements). TRIGGER when: code imports anthropic/@anthropic-ai/sdk; user asks for…
Skill Claude CodeCodex
Use when a user has a Promptbeat config or generated promptfoo config and wants to validate, generate a few cases, run a first small evaluation, inspect artifacts, or create a report.
Skill Claude CodeCodex
A guide for querying a locally running service that stores and answers questions about saved Bilibili videos. Bilibili is a Chinese video platform, and RAG means retrieving relevant saved content before generating an answer.
Skill Codex
Build 3D and AR apps on Apple platforms (iOS, macOS, visionOS) with SceneViewSwift — the SwiftUI wrapper around RealityKit. Use whenever the user asks for "3D in SwiftUI", "AR with ARKit in SwiftUI", a model viewer for iOS, or any Apple-platform 3D/AR app where the dependency is the SceneViewSwift Swift Package from…
Skill Claude CodeCodex needs its repo
Detect insecure file upload vulnerabilities in a codebase using a three-phase approach: discovery (find all upload sites), batched verify (check extension bypass and related issues in parallel subagents, 3 sites each), and merge (consolidate batch results). Requires sast/architecture.md (run sast-analysis first).…
Skill Claude CodeCodex
UI/UX best practices for web interfaces. Use when reviewing animations, CSS, audio, typography, UX patterns, prefetching, or icon implementations. Covers 11 categories from animation principles to typography. Outputs file:line findings.
Skill Claude CodeCodex
MiniMax multimodal model skill — use MiniMax Multi-Modal models for speech, music, video, and image. Create voice, music, video, and images with MiniMax AI: TTS (text-to-speech, voice cloning, voice design, multi-segment), music (songs, instrumentals), video (text-to-video, image-to-video, start-end frame, subject…
Skill Claude CodeCodex
Make the agent aware of the user's Steno meeting notes and able to pull them in on request. Steno (https://github.com/stenolabs/stenoai) records, transcribes, and summarizes meetings entirely on-device, storing each as a Markdown summary plus a transcript. This skill locates that store cross-platform (macOS, Windows…
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: