Everything for Codex

Skills, prompts, AGENTS.md files and MCP servers that Codex reads. Skills are shared with Claude Code; the rest is Codex-native. 267,925 indexed, measured the same four ways as everything else here.

mcp-aktools

2281

aahl/mcp-aktools

MCP server Claude CodeCodexCursor +2

MCP Server for stock and crypto. Runs locally from the mcp-aktools Python package.

not rated 392 5mo ago A tokens not measured original MIT

rhesis

2282

rhesis-ai/rhesis

Skill Claude CodeCodex

Design, run, and analyze AI test suites on Rhesis — explore endpoints, build test foundations from a spec, create requirements and metrics, execute tests, and analyze results. Use when testing an AI endpoint, pasting a Product Requirements Document (PRD) or product spec, or working with Rhesis via MCP.

not rated 392 +1 changed 9d ago A 67 tokens

lemma-user

2283

lemma-work/lemma-platform

Skill Codex

Operate an existing Lemma pod from the CLI as a human or agent: inspect resources, query tables and records under RLS, search and read pod files (converted markdown, page images), run functions and workflows, submit waiting workflow forms, chat with pod agents, message pod members, and execute third-party connector…

not rated 392 +3 changed today A SkillSpector: warn 81 tokens AGPL-3.0

prompt-translator

2284

cclank/lanshu-awesome-ai-video-kit

Skill Claude CodeCodex

A tool that rewrites an existing AI video prompt from one video model's preferred format into another model's format. It uses example prompts comparing the same kinds of scenes across different models.

not rated 392 +4 3mo ago A SkillSpector: pass 208 tokens original MIT

deslop

2285

stephenturner/skill-deslop

Skill Claude CodeCodex

Remove AI writing patterns from prose. Use this skill when writing, drafting, editing, reviewing, or revising any text to eliminate predictable AI tells, slop, and formulaic patterns. Trigger this skill whenever the user asks to "deslop", "de-AI", "make it sound human," "remove AI patterns," "remove AI tropes," "clean…

not rated 392 +10 5mo ago A 163 tokens copy · 98% MIT

screen-ocr-operator

2286

qiannianhuanxiang/DSHA

Skill Claude CodeCodex

Use when you need to see and operate an Android screen through an OCR/vision model plus ADB. Optimized commander workflow: one model plan, batch ADB execution, minimal round-trips, verify at milestones.

not rated 392 9d ago A SkillSpector: pass 0 tokens original MIT

kitaru-investigation

2287

decodingai-magazine/building-a-coding-agent-from-scratch-course

Skill Claude CodeCodex

Guide users from their own agent code or recorded traces through Kitaru setup, session import or recording, human review, an accepted behavior, a versioned cohort, and evaluator selection, then hand one bounded change to the replay-experiment skill. Use when a user wants to connect or inspect an existing agent, import…

not rated 392 +24 yesterday A 147 tokens original Apache-2.0

better-forms

2288

Asymmetric-al/core

Skill Claude CodeCodex

Complete guide for building accessible, high-UX forms in modern stacks (React/Next.js, Tailwind, Zod). Includes specific patterns for clickable areas, range sliders, output-inspired design, and WCAG compliance.

not rated 391 2d ago A SkillSpector: pass 48 tokens AGPL-3.0

ergrelet/windiff

Skill Codex

Generate and interpret security-research diffs between Windows versions or patch levels using this repo's WinDiff CLI and databases. Use when comparing Windows builds or binaries such as ntoskrnl.exe, ntdll.dll, win32k.sys, ci.dll, or cng.sys to find changed syscalls, symbols, types, mitigation flags, callbacks…

not rated 391 2d ago A SkillSpector: pass 140 tokens GPL-3.0

patent-workaround

2290

gfodor/legal-skills

Skill Codex

Adversarially pressure-test a draft or pending U.S. utility patent against technically credible, commercially plausible design-arounds that preserve its value proposition while avoiding the current proposed claims. Use fresh competitor subagents, then have the outer agent decide whether each workaround remains inside…

not rated 391 +1 1mo ago A 160 tokens GPL-3.0

analyze-and-plan

2291

marcellourbani/vscode_abap_remote_fs

Skill Claude CodeCodex

Standalone Phase 1 of SAP UI testing. Discovers the configured test folder and target system, downloads one complete ABAP source snapshot, then READS that source and captures the full picture in three reference artifacts — flow.md (functional flow), units.md (per-unit input/output inventory), and findings.md (the…

not rated 391 +3 4d ago A SkillSpector: pass 125 tokens original MIT

pm-sim

2292

agent-next/polymarket-paper-trader

Skill Claude CodeCodex

This skill has been renamed. Install the new version.

not rated 391 +2 29d ago A SkillSpector: warn 29 tokens original MIT

drawio-diagram-builder

2293

Will-hxw/drawio-diagram-builder

Skill Codex

Create, edit, replicate, and iteratively refine editable research and technical diagrams in diagrams.net/draw.io (.drawio XML) from prompts, papers, repositories, screenshots, or existing diagrams. Use when asked to generate a scientific figure, paper method diagram, ML/system architecture diagram, draw.io file…

not rated 391 +19 2mo ago B SkillSpector: warn 101 tokens original MIT

magnusoverli/opencode

Skill Claude CodeCodex

Write or change Home Assistant YAML — automations, scripts, scenes, templates, integrations, packages, helpers. Covers checking current integration documentation before writing, the mandatory HA YAML style guide, reading and querying YAML with yq, safe writes through writeconfigsafe, validation, backups, and whether a…

not rated 390 +10 5d ago A SkillSpector: warn 84 tokens original Unlicense

Agent-Threat-Rule/agent-threat-rules

Skill Claude CodeCodex

Generate clinical trial protocols for medical devices or drugs. This skill should be used when users say "Create a clinical trial protocol", "Generate protocol for [device/drug]", "Help me design a clinical study", "Research similar trials for [intervention]", or when developing FDA submission documentation for…

not rated 390 +5 yesterday A 70 tokens original MIT

creating-workflows

2296

itmisx/deepx-code

Skill Claude CodeCodex

A guide for creating reusable JavaScript workflows that coordinate several helper agents through steps, loops, parallel tasks, and summaries.

not rated 389 +2 19d ago A SkillSpector: pass 58 tokens original MIT

vueuse-functions

2297

vueuse/skills

Skill Claude CodeCodex

Apply VueUse composables where appropriate to build concise, maintainable Vue.js / Nuxt features.

not rated 388 +2 1mo ago A Socket: passSnyk: pass 24 tokens copy · 100% MIT

liza-mas/liza

Skill Claude CodeCodex

REVIEWFILE = specs/architecture/architecture-review.md.

not rated 388 +24 today A SkillSpector: warn 9 tokens original Apache-2.0

gearsystem-romhacking

2299

drhelius/Gearsystem

Skill Claude CodeCodex

Hack, modify, and translate Sega Master System, Game Gear, and SG-1000 ROMs using the Gearsystem emulator MCP server. Provides workflows for memory searching, value discovery, cheat creation, data modification, sprite/text finding, translation patching, and rewind-assisted experimentation. Use when the user wants to…

not rated 387 changed 9d ago A SkillSpector: warn 172 tokens GPL-3.0

pageindex-mcp

2300

VectifyAI/pageindex-mcp

MCP server Claude CodeCodexCursor +2

Reasoning-based RAG system for chatting with long PDFs. Supports local and online files. Runs locally from the @pageindex/mcp npm package.

not rated 387 +3 1mo ago A tokens not measured original MIT

qc-checklist

2301

sgharlow/claude-code-recipes

Skill Claude CodeCodex

Turn a process description into an operational quality-control checklist — binary pass/fail checks, acceptance criteria, critical-vs-routine tiers, and failure modes with catch-points. Use when the user says "build a QC checklist", "standardize how we review X", "acceptance criteria for this process", or describes…

not rated 387 +1 1mo ago A 76 tokens

ui-aesthetics

2302

kasonye/ui-aesthetics-skill

Skill Claude CodeCodex

Raise frontend visual judgment for web interfaces with a bias toward refined product-grade composition, precise component craftsmanship, disciplined interaction states, controlled motion, and coherent depth systems. Use in any supported agent or IDE when generating, reviewing, or refactoring UI that feels generic…

not rated 387 +4 5mo ago A 106 tokens

DY-2026/GameDesignOS

Skill Codex

A game-design document writer that turns research, game ideas, player goals, testing plans, diagrams, and production limits into proposals, design documents, or funding pitches.

not rated 387 +8 27d ago A SkillSpector: pass 163 tokens original MIT

visual-style-ppt

2304

irenerachel/visual-style-ppt-skill

Skill Claude CodeCodex

A skill for creating slide decks as images and placing those images into PowerPoint files, based on a chosen visual style.

not rated 386 +2 4mo ago A 138 tokens

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: