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. 281,573 indexed, measured the same four ways as everything else here.

refactor

73

luongnv89/claude-howto

Skill Claude CodeCodex

Systematic code refactoring based on Martin Fowler's methodology. Use when users ask to refactor code, improve code structure, reduce technical debt, clean up legacy code, eliminate code smells, or improve code maintainability. This skill guides through a phased approach with research, planning, and safe incremental…

not rated 47k +391 3d ago A Snyk: passSkillSpector: pass 64 tokens original MIT

codebase-design

74

danny-avila/LibreChat

Skill Claude CodeCodex

Shared vocabulary for designing deep modules. Use when the user wants to design or improve a module's interface, find deepening opportunities, decide where a seam goes, make code more testable or AI-navigable, or when another skill needs the deep-module vocabulary.

not rated 47k 6d ago A SkillSpector: pass 57 tokens copy · 100% MIT

omarchy-app

75

omacom/omarchy

Skill Claude CodeCodex

Build a new desktop app for Omarchy the way Omarchy's own apps are built (Hype, Monologue, Omacut): C++ and Qt Quick, compiled with qmake6 and make into a single binary, following the Omarchy theme live, and installed as an Arch package so it shows up in the app launcher. Use when asked to make, build, or scaffold an…

not rated 46k +255 changed 23d ago A 138 tokens original MIT

session-report

76

anthropics/claude-plugins-official

Skill Claude CodeCodex ✓ vendor

Generate an explorable HTML report of Claude Code session usage (tokens, cache, subagents, skills, expensive prompts) from /.claude/projects transcripts.

not rated 46k +780 today A Socket: passSnyk: passSkillSpector: pass 34 tokens original Apache-2.0

documents

77

AstrBotDevs/AstrBot

Skill Claude CodeCodex

Create, read, edit, review, comment on, sanitize, render, and validate Microsoft Word DOCX documents. Use whenever a DOCX or Word document is a primary input or deliverable, including reports, proposals, forms, templates, tracked revisions, comments, tables, images, headers, footers, and style-preserving edits.

not rated 46k +1.1k yesterday A SkillSpector: pass 70 tokens AGPL-3.0

payload

78

payloadcms/payload

Skill Claude CodeCodex

Use when working with Payload projects (payload.config.ts, collections, fields, hooks, access control, Payload API). Use when debugging validation errors, security issues, relationship queries, transactions, or hook behavior.

not rated 46k +89 changed 1mo ago A Socket: passSnyk: passSkillSpector: warn 43 tokens original MIT

sub2api-admin

79

Wei-Shaw/sub2api

Skill Codex

Manage Sub2API admin APIs for accounts, redeem codes, groups, proxies, error passthrough rules, TLS fingerprint profiles, imports, exports, batch updates, and raw administrator API calls. Use when the user mentions Sub2API, admin API keys, account management, redeem code management, recharge codes, invitation codes…

not rated 46k +361 yesterday A ✓ AI review SkillSpector: pass 101 tokens LGPL-3.0

resume-builder

80

amruthpillai/reactive-resume

Skill Claude CodeCodex

Generate professional resumes that conform to the Reactive Resume schema. Use when the user wants to create, build, or generate a resume through conversational AI, or asks about resume structure, sections, or content. This skill guides the agent to ask clarifying questions, avoid hallucination, and produce valid JSON…

not rated 45k 5d ago A Socket: passSnyk: passSkillSpector: pass 71 tokens original MIT

ccxt-mcp

81

ccxt/ccxt

MCP server Claude CodeCodexCursor +2

Official CCXT MCP server - Market data and trading across 100+ exchanges and prediction markets. Runs locally from the ccxt-mcp npm package.

not rated 45k +130 yesterday A Socket: warn tokens not measured original MIT

chrome-devtools

82

colinhacks/zod

MCP server Claude CodeCodexCursor +2

MCP server "chrome-devtools" as configured in colinhacks/zod. Runs scripts/chrome-devtools-mcp.mjs with node.

not rated 44k +31 changed today A tokens not measured copy · 100% MIT

attack-chain

83

zhaoxuya520/reverse-skill

Skill Claude CodeCodex

Use for authorized multi-stage attack-path planning and orchestration when a task spans reconnaissance, initial access, privilege escalation, lateral movement, or impact assessment. Route single-stage tasks directly to their specialist skill.

not rated 44k +342 1mo ago A ✓ AI review Socket: failSnyk: failSkillSpector: warn 43 tokens original MIT

mcp-server

84

HeyPuter/puter

MCP server Claude CodeCodexCursor +2

Puter MCP enables AI tools to interact with Puter: manage files, websites, workers, and more. Remote server at mcp.puter.com.

not rated 44k +58 today A tokens not measured AGPL-3.0

git-workflow

85

agno-agi/agno

Skill Claude CodeCodex

Git workflow guidance for commits, branches, and pull requests.

not rated 43k +94 yesterday A Socket: passSnyk: passSkillSpector: pass 15 tokens original Apache-2.0

slide-dsl

86

THU-MAIC/OpenMAIC

Skill Claude CodeCodex

The complete slide DSL manual — the canvas and its background, the ten element types field by field with units, defaults and legal values, where each type keeps its words, which field the renderer actually paints when two disagree, exactly what happens to the HTML you put in content, and the structure schema that is…

not rated 43k +794 changed 2mo ago A ✓ AI review Snyk: passSkillSpector: warn 203 tokens original MIT

session-rag-eval

87

chatboxai/chatbox

Skill Claude CodeCodex

Run and debug Chatbox session attachment RAG model evaluation with synthetic and real long-file fixtures.

not rated 42k +51 8d ago A SkillSpector: pass 25 tokens GPL-3.0

volcengine/OpenViking

Skill Claude CodeCodex

Install and configure the OpenViking long-term memory plugin for OpenClaw via natural conversation. Once installed, the plugin automatically captures facts from chats and recalls relevant context before each reply (auto-capture + auto-recall, cross-session). Covers prerequisites, install through OpenClaw's plugin…

not rated 42k +429 changed 9d ago A ✓ AI review SkillSpector: warn 191 tokens AGPL-3.0

best-of-n

89

Hmbown/CodeWhale

Skill Claude CodeCodex

Generate a small set of independent candidate solutions in worktrees, judge them against one explicit rubric, and apply the winner only after PASS verification.

not rated 41k changed 1mo ago A Snyk: passSkillSpector: pass 32 tokens original MIT

grpo-finetune

90

patchy631/ai-engineering-hub

Skill Claude CodeCodex

Fine-tune a model with GRPO on Fireworks-managed GPUs from a plain-English task description and a dataset. Use this skill whenever the user wants to fine-tune, RL-tune, or GRPO-train a model on their own data — or says things like "train a model to extract/classify/score X", "fine-tune on this dataset", "set up a GRPO…

not rated 41k +2.6k 5d ago A ✓ AI review Snyk: passSkillSpector: warn 122 tokens original MIT

cw-dogfood

91

Hmbown/Codewhale

Skill Claude CodeCodex

Use when a Codewhale change needs proving in the real product, or when asked to build/install/dogfood the local binaries: stamped release build, atomic install, fresh-shell verification, and the manual QA that gates cannot cover.

not rated 41k changed 1mo ago A ✓ AI review SkillSpector: warn 52 tokens original MIT

chakra-ui-builder

92

chakra-ui/chakra-ui

Skill Claude CodeCodex

Build responsive, accessible UI components and layouts using Chakra UI v3, install or configure Chakra UI in new and existing projects, and design scalable themes using tokens, semantic tokens, recipes, and slot recipes. Use this skill whenever a user asks to build, create, or generate any UI component, page, form…

not rated 41k +5 yesterday A Socket: passSnyk: passSkillSpector: warn 214 tokens original MIT

PostHog/posthog

Skill Claude CodeCodex

Implement and extend PostHog Data warehouse import sources. Use when adding a new source under products/warehousesources/sources/ (or changing one there or under products/warehousesources/backend/temporal/dataimports/sources), adding datasets/endpoints to an existing source, or adding incremental sync, resumable…

not rated 41k +136 changed today A SkillSpector: warn 83 tokens

events-system

94

phaserjs/phaser

Skill Claude CodeCodex

Use this skill when working with the Phaser 4 event system. Covers EventEmitter, scene events, game events, custom events, and event-driven communication. Triggers on: events, on, emit, EventEmitter, scene events, listeners.

not rated 41k +43 2mo ago A ✓ AI review Socket: passSnyk: passSkillSpector: warn 52 tokens original MIT

novuhq/novu

Skill Claude CodeCodex

Integrate Novu's in-app notification inbox into web applications. Supports React, Next.js, and vanilla JavaScript. Includes the Inbox component (bell icon + notification feed), composable components (Bell, Notifications, InboxContent, Preferences), headless hooks, branded theming, custom render props, multi-tenancy…

not rated 40k +57 yesterday A SkillSpector: warn 111 tokens

playwright-mcp

96

microsoft/playwright-mcp

MCP server Claude CodeCodexCursor +2 ✓ vendor

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 39k +359 yesterday A tokens not measured original Apache-2.0

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: