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. 282,383 indexed, measured the same four ways as everything else here.

alex-core-invariants

7801

aldegad/alex-core-invariants

Skill Codex

Use when reviewing architecture, refactors, state/data ownership, duplication, code and test structure, failure handling, debug discipline, work-in-progress hygiene, or concurrency policy against Alex's eight fixed invariants.

not rated 43 changed 1mo ago A 46 tokens original MIT

locallama-dev

7802

Heratiki/locallama-mcp

MCP server Claude CodeCodexCursor +2

MCP server "locallama-dev" as configured in Heratiki/locallama-mcp. Runs dist/index.js with node.

not rated 43 5d ago A tokens not measured

xiaohongshu-skill

7803

DeliciousBuding/xiaohongshu-skill

Skill Claude CodeCodex

A skill for working with Xiaohongshu, also called RedNote, a Chinese social-media platform for posts, videos, articles, comments, and reactions. It uses a browser session and returns structured results.

not rated 43 2mo ago A 110 tokens original Apache-2.0

content-creator

7804

video-db/agentic-streams

Skill Claude CodeCodex

Turn any research topic into a polished video with narration, dynamic visuals, and background music. Supports pluggable formats (briefing, fireship-explainer, and more). Researches via parallel subagents, scripts a narrative arc, sources real-world assets (stock footage, memes, logos) from APIs and a persistent…

not rated 43 +1 2mo ago A 91 tokens

wallet-ui/wallet-ui

Skill Claude CodeCodex

Use when setting up Wallet UI in a new or existing Expo application. Guides selection between modern @solana/kit (Recommended) or legacy @solana/web3.js.

not rated 43 1mo ago A SkillSpector: pass 41 tokens original MIT

gitchamber

7806

remorses/gitchamber

Skill Claude CodeCodex

CLI to download npm packages, PyPI packages, crates, or GitHub repo source code into nodemodules/.gitchamber/ for analysis. Use when you need to read a package's inner workings, documentation, examples, or source code. Alternative to opensrc that stores in nodemodules/ for zero-config gitignore/vitest/tsc…

not rated 43 7mo ago A 89 tokens original MIT

write-like-paul-graham

7807

criccomini/write-like-paul-graham

Skill Claude CodeCodex

Analyze and apply high-level essay traits extracted from the local distilled reference set for clear, thesis-first nonfiction writing. Use when the assistant needs to draft or revise essays, blog posts, memos, or argument-heavy prose with conversational clarity, sharp distinctions, concrete examples, compact…

not rated 43 7mo ago A 92 tokens original MIT

accessibility_testing

7808

vuralserhat86/antigravity-agentic-skills

Skill Claude CodeCodex

Guide for conducting comprehensive accessibility audits of code to identify WCAG compliance issues and barriers to inclusive design. This skill should be used when reviewing accessibility, ARIA implementation, keyboard navigation, or screen reader compatibility.

not rated 43 10mo ago A 45 tokens

marketing-video

7809

krillinai/growth-skills

Skill Codex

Use when a team needs to brief, script, storyboard, generate, record, edit, render, repurpose, translate, subtitle, dub, optimize, audit, or govern marketing videos for websites, ads, social, product demos, customer stories, sales, PR, education, events, app stores, and campaign systems; or needs to choose video…

not rated 43 2mo ago A SkillSpector: warn 109 tokens original MIT

cogapp-markdown

7810

simonw/skills

Skill Claude CodeCodex

Use cogapp to auto-generate sections of markdown documentation by embedding Python code that produces content. Use when a project needs to keep documentation in sync with code, such as embedding CLI --help output in README files, generating tables, or any content that should be derived from the code itself rather than…

not rated 43 8mo ago A 68 tokens

server-branch-thinking

7811

m-siles/branch-thinking

MCP server Claude CodeCodexCursor +2

MCP server "server-branch-thinking" as configured in m-siles/branch-thinking. Runs locally from the @modelcontextprotocol/server-branch-thinking npm package.

not rated 43 10mo ago A tokens not measured original MIT

xhs-images

7812

manwithshit/xhs-images

Skill Claude CodeCodex

A generator for Xiaohongshu, also called Little Red Book, a Chinese social platform, that turns written content into a series of cartoon-style infographic images. It supports different visual styles and information layouts.

not rated 43 9mo ago A 60 tokens original MIT

sceneproof

7813

ReyJ94/SceneProof

Skill Claude CodeCodex

Use whenever a change can alter rendered output — components, styles, layout, SVG, canvas, scenes, cameras, lights, materials, animation — before claiming that something looks right, is visible, or renders correctly, and when diagnosing why something is invisible, black, clipped, misframed, or mis-lit.

not rated 43 changed 8d ago A SkillSpector: pass 66 tokens original MIT

vibeguard

7814

majiayu000/vibeguard

Skill Claude CodeCodex

Use when the user explicitly asks to install, uninstall, or diagnose VibeGuard. Ordinary coding, review, build failures, and generic safety requests do not activate this skill.

not rated 43 +1 changed 7d ago A SkillSpector: warn 40 tokens original MIT

ontomics

7815

EtienneChollet/ontomics

MCP server Claude CodeCodexCursor +2

Index your codebase's domain knowledge. 20x fewer tokens, 10x faster. Runs locally from the @ontomics/ontomics npm package.

not rated 43 6mo ago A tokens not measured original MIT

wuchubuzai2018/expert-skills-hub

Skill Claude CodeCodex

A design tool for creating the image materials used on WeChat red-envelope covers. It produces cover images, decorative attachments, speech-bubble attachments, and cover-story materials designed for WeChat’s submission rules.

not rated 43 5d ago A 97 tokens

eval-engineer

7817

Galileo-Agent-Labs/eval-engineer

Skill Codex

Use when a user is unsure which Eval Engineer command to run for AI agents/RAG apps, needs onboarding/status for a .galileo workspace, or asks where to start.

not rated 43 3mo ago A SkillSpector: pass 39 tokens original MIT

higgsfield

7818

geopopos/higgsfield_ai_mcp

MCP server Claude CodeCodexCursor +2

MCP server "higgsfield" as configured in geopopos/higgsfieldaimcp. Runs higgsfield_mcp.server with python. Needs 2 environment variables to run.

not rated 43 1y ago A tokens not measured original MIT

ara3d-authoring

7819

ara3d/ara3d-sdk

Skill Claude CodeCodex

Author Ara 3D Studio tools — generators (make geometry) and modifiers (transform geometry) — as standalone C# scripts. Use when the user says "write a modifier", "create a generator", "make an Ara 3D tool", "new Studio script", asks how modifiers/generators/Eval/parameters/EvalContext work, or wants to add a mesh…

not rated 43 25d ago A SkillSpector: pass 99 tokens original MIT

analog-amplifier

7820

jiyuanduan001-oss/LLM_Amplifier_Sizing

Skill Claude CodeCodex

Hierarchical skill stack for analog IC design within AnalogAgent. Covers OTA/op-amp sizing from netlist + specs, with expert-level equation analysis, gm/ID-based sizing, simulation-driven iteration, and root-cause diagnosis.

not rated 43 5mo ago A 51 tokens

git-iris

7821

hyperb1iss/git-iris

Skill Claude CodeCodex

Use this skill when generating commit messages, pull request descriptions, release notes, changelogs, or code reviews in a repository where git-iris is available. Activates on requests like "commit this", "write a commit message", "draft a PR", "generate release notes", "write a changelog", or "review my changes" when…

not rated 43 9d ago A 81 tokens original Apache-2.0

playwright

7822

JJ110112/LiveChord

MCP server Claude CodeCodexCursor +2

Lets the agent drive a real browser: open pages, click, type, take screenshots and read the accessibility tree, using Playwright. Runs locally from the @playwright/mcp npm package.

not rated 43 +1 today A tokens not measured AGPL-3.0

tailwindplus

7823

richardkmichael/mcp-tailwindplus

MCP server Claude CodeCodexCursor +2

One of 3 in .mcp.json

MCP server "tailwindplus" as configured in richardkmichael/mcp-tailwindplus. Runs locally from the mcp-tailwindplus Python package. Needs 1 environment variable to run.

not rated 43 today A tokens not measured original MIT

arkts-helper-mcp

7824

LongLiveY96/arkts-helper

MCP server Claude CodeCodexCursor +2

MCP server "arkts-helper-mcp" as configured in LongLiveY96/arkts-helper. Runs locally from the arkts-helper-mcp npm package.

not rated 43 8mo ago A tokens not measured

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: