Skills, prompts, AGENTS.md files and MCP servers that Codex reads. Skills are shared with Claude Code; the rest is Codex-native. 272,651 indexed, measured the same four ways as everything else here.
Skill Claude CodeCodex
Use this when a user wants to monitor movie tickets, watch for seats, track IMAX 70mm seats, use Fandango, get notified when tickets or seats open, render a seat map PNG, or create a cron seat watch for a theater/movie/date window.
kindnessskl/software-copyright-cn
Skill Claude CodeCodex
A guide and script for preparing Chinese software copyright registration documents. It produces a source-code document, a software user manual, and suggested application details.
Skill Claude CodeCodex
Explique de forma objetiva o comportamento que o agente deve adotar quando esta skill for acionada. Uma frase de propósito; o resto vai nas seções.
Skill Claude CodeCodex
An image-upscaling guide for making many kinds of images clearer while preserving their original content, layout, proportions, text, and style.
vigilantshield/Claude-HunterKit
Skill Claude CodeCodex
Complete bug bounty workflow: recon (subdomain enumeration, asset discovery, fingerprinting, HackerOne scope, source code audit), pre-hunt learning (disclosed reports, tech stack research, mind maps, threat modeling), vulnerability hunting (IDOR, SSRF, XSS, auth bypass, CSRF, race conditions, SQLi, XXE, file upload…
kings0527/web-reverse-engineering-skill
Skill Claude CodeCodex
A guide to analyzing how websites work in the browser, including their JavaScript, network requests, and anti-automation protections.
Lagunaswift/GameDevelopmentAudit
Skill Claude CodeCodex
Use this skill when the moment-to-moment action of a game feels weak, floaty, unsatisfying, or lifeless, or when adding impact and juice to a working loop. Trigger on: 'my game feels flat', 'shooting/hitting feels weak', 'add juice', 'game feel', 'screenshake', 'hitstop', 'my combat has no impact', 'the core verb…
Skill Claude CodeCodex
Audit and enable security-oriented Xcode build settings. Progressively enables compiler warnings, static analyzer checkers, and Enhanced Security features. Use when: user wants to secure their Xcode project, audit security settings, enable hardening, review security posture of build configuration, set up…
svdwalt007/Best-IoT-Protocols-Skills
Skill Claude CodeCodex
World's most comprehensive IoT protocol engineering expert skill. Use whenever the user mentions any IoT protocol, standard, or technology across device management, messaging, LPWAN, PAN, cellular, industrial OT, security, data formats, smart energy, healthcare IoT, or automotive IoT. Trigger on: TR-069, CWMP, TR-369…
youssef-tharwat/lang-guidelines
Skill Claude CodeCodex
Enforce TypeScript & JavaScript lint rules (Oxlint), design guidelines (Google), and design patterns (Systemic TypeScript + GoF) for all TypeScript & JavaScript code generation and edits. Rules must be applied while writing code, not only in review. Triggers on any task that writes, edits, or refactors TypeScript &…
Skill Claude CodeCodex
Production patterns for Hono v4+ backends with Bun, Drizzle ORM, Better Auth, Stoker, hono-openapi + Zod + Scalar, and TDD with Bun test runner. Use when building features, writing tests, reviewing code, or setting up auth/RBAC in modular monolith Hono projects. Apply whenever you see Hono route definitions…
Skill Claude CodeCodex
Autonomous agent loop design in 10 steps.
Skill Claude CodeCodex
Evidence-driven execution for tasks involving files, code, data, commands, tools, or concrete deliverables. Use to inspect real constraints, make minimal targeted changes, verify outcomes independently, and avoid unsafe side effects. Do not use for purely conversational tasks without external state or a deliverable.
TianchenGuan/duke-cs-cluster-skill
Skill Claude CodeCodex
Trigger before submitting any Slurm job (sbatch/srun), when diagnosing why a job failed to schedule, or when choosing GPU types, partitions, storage paths, or resource limits on the Duke CS compute cluster. Do NOT trigger for non-Slurm tasks or clusters other than Duke CS.
Skill Codex
Generate or modify Quicker action JSON files from user requirements, using bundled step definition markdown converted from Quicker action docs. Use when Codex needs to create a new action JSON, revise an existing action JSON, explain which Quicker built-in steps fit a requirement, or directly run a Quicker injector…
Skill Claude CodeCodex
A workflow for turning tables in PDF files into Excel workbooks, with one sheet per table and supporting images and quality notes. It uses MinerU, a tool that extracts content from PDFs, and needs an image-reading model to check the results.
chenxihuang1028-a11y/risk-management-specialist
Skill Claude CodeCodex
Medical device risk management specialist implementing ISO 14971 throughout product lifecycle. Provides risk analysis, risk evaluation, risk control, and post-production information analysis. Use when user mentions risk management, ISO 14971, risk analysis, FMEA, fault tree analysis, hazard identification, risk…
Skill Claude CodeCodex
Build, modify, and QA-verify Chinese + IP/character-themed + QR-embeddable EDITABLE PPTX decks using PptxGenJS, with SOTA AI image generation via OpenAI GPT Image 2 or Google Nano Banana Pro, locked aesthetic recipes, and a deterministic render-QA gate (CJK overflow, text overlap, editable-text, color contrast).…
Skill Codex
A conversion tool for changing MuseAI companion-project character cards into SillyTavern Character Card V2 JSON, a standard format that SillyTavern can import.
SFETNI/Deep-Matter-Chem-Skills
Skill Claude CodeCodex
This skill covers quantitative post-processing of atomistic molecular dynamics trajectories: loading and preprocessing trajectories from LAMMPS, GROMACS, or ASE; computing structural observables (RDF, coordination numbers, angular distributions, bond orientational order, common-neighbor analysis, centrosymmetry…
Skill Claude CodeCodex
Given an RFP or security questionnaire and a content library of prior responses, classifies every requirement by type, runs explicit keyword-level verification to prevent fabricated matches, flags non-functional submission constraints, drafts first-pass responses for matched items, and produces a gap list with…
Skill Claude CodeCodex
Evaluate a bug-labeled issue for reproducibility, root cause, and fix difficulty; post a structured assessment comment.
Skill Claude CodeCodex
Audit and fix SEO metadata for any blog or site. Works with Astro, Hugo, Jekyll, Next.js MDX, Ghost, or plain markdown. Use when asked to audit posts for missing keywords, weak descriptions, missing hero images, or bad title format. Also use for running spec compliance evals (field presence + format) and quality evals…
Skill Claude CodeCodex
Use when user asks to analyze institutional 13F holdings, compare fund manager positions, track quarterly portfolio changes, identify long-term core holdings, or research what major investors are buying/selling. Best suited for retail investors and independent researchers who want readable analysis rather than raw…
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: