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. 273,985 indexed, measured the same four ways as everything else here.

plimsoll

21193

lumiboi/plimsoll

Skill Claude CodeCodex

Security review of LLM applications and agents. Use when asked to review, red-team, threat-model or test an LLM feature, chatbot, RAG pipeline, MCP server or autonomous agent for prompt injection (direct or indirect), jailbreaks, system prompt or secret leakage, tool abuse, excessive agency, confused-deputy behavior…

not rated 4 1mo ago A 122 tokens original MIT

ddia-principles

21194

satbirbhbc-ux/ai-coding-principles

Skill Claude CodeCodex

Designing Data-Intensive Applications (DDIA) distilled reference guide by Martin Kleppmann. MUST be loaded when: designing database schemas, choosing storage engines, implementing replication or partitioning, handling distributed transactions, building batch/stream processing pipelines, choosing consistency models…

not rated 4 2d ago A 185 tokens copy · 100% MIT

stealth-factory/skills

Skill Claude CodeCodex

A free DIY reimplementation of Vercel's $150/mo Advanced Deployment Protection add-on — all three features (Password Protection, private/prod deployments, Deployment Protection Exceptions) plus named automation bypass tokens — a middleware gate for ANY framework on Vercel (Next.js proxy, or…

not rated 4 1mo ago A 225 tokens original MIT

api-architect

21196

skillsdirectory/awesome-ai-skills

Skill Claude CodeCodex

Design and build production-grade RESTful and GraphQL APIs with proper authentication, error handling, rate limiting, and documentation. Use when designing APIs, creating API specifications, or reviewing API architecture.

not rated 4 7mo ago A 42 tokens

conventions

21197

yyyyolo7a79-sketch/claude-conventions-skill

Skill Claude CodeCodex

A set of general behavior rules for an AI coding assistant, written in Chinese. It requires Chinese code comments, explanations for Bash commands, Chinese notes alongside English technical steps, and Chinese reasoning.

not rated 4 2mo ago A 102 tokens original MIT

zaker-news-search

21198

ZAKER-coder/skills

Skill Claude CodeCodex

A keyword news search tool for ZAKER, a Chinese news and information platform. It can filter results to a period within the past 30 days.

not rated 4 6mo ago A 69 tokens original MIT

anti-slop

21199

JZKK720/cubecloud-skills-bundle-kit

Skill Claude CodeCodex

Anti-AI-slop design and copy rules for any UI work (website, web app, or interface). Use whenever building, refining, or auditing user-facing UI. Holds every visual decision to a purpose test and the result to a liveliness bar so the output feels crafted by a designer, not generated by AI. Two modes: DURING (apply…

not rated 4 5d ago A 118 tokens

eac-habre

21200

jeannesulzer/international-criminal-tribunals-skills

Skill Claude CodeCodex

Chambres Africaines Extraordinaires (CAE) / Extraordinary African Chambers in the Courts of Senegal (EAC) research, drafting, and analysis — the Hissène Habré case. Use whenever the conversation involves the CAE/EAC, the AU-Senegal Accord of 22 August 2012, the Statute of the Chambers, the Habré trial (2015-2016), the…

not rated 4 3d ago A 0 tokens

emlog-app-dev

21201

emlog/emlog-app-dev-skill

Skill Claude CodeCodex

A development guide for Emlog, a PHP-based blogging and content-management system. It covers building and changing Emlog plugins, themes, templates, and related code.

not rated 4 4mo ago A 125 tokens

obeone/claude-skills

Skill Claude CodeCodex

Create and optimize Dockerfiles and Compose files with BuildKit, multi-stage builds, cache mounts, and non-root hardening. Also triggers on container images, build performance, or Docker security, even without the word 'Dockerfile'.

not rated 4 11d ago A 53 tokens original MIT

Agentis

21203

Dhwanil25/Agentis

Skill Claude CodeCodex

Agentis is a browser-native multi-agent AI platform. Instead of a single AI model answering a question, Agentis deploys a coordinated team of specialized agents — researcher, analyst, coder, writer, reviewer, planner — across multiple LLM providers simultaneously, then synthesizes their outputs into one cohesive…

not rated 4 +1 6mo ago A 0 tokens

yds-data-validation

21204

ymd38/dev-skills

Skill Claude CodeCodex

Inspect a project's data for correctness and produce a read-only validation report — record counts, NULL rates, value distribution, uniqueness, referential integrity, format validity, and sampled evidence rows. Data is read only from the project's own test fixtures/seed data or from an explicitly configured…

not rated 4 22d ago A 158 tokens original MIT

sayu-perspective

21205

sumomowynaut/sayu-perspective

Skill Claude CodeCodex

A consulting and role-playing framework based on Sayu, a character from Genshin Impact. It provides her perspective, decision patterns, and speaking style for feedback or responses.

not rated 4 1mo ago A 249 tokens

nd-adapter

21206

Hep2o/NeuroDivergent-Adapter-Skill

Skill Claude CodeCodex

Skill "nd-adapter" from Hep2o/NeuroDivergent-Adapter-Skill, covering nd-adapter skill, part 1: the toggle, part 2: the builder, stage 1: understand the context and stage 2: profile selection.

not rated 4 2mo ago A 0 tokens original MIT

meta-ads-framework-es

21207

vladimirlucantis/meta-ads-framework-es

Skill Claude CodeCodex

Analiza y optimiza campañas de Meta Ads (Facebook e Instagram) en español. Agnóstico de estrategia (Advantage+, segmentación manual, FRIA+CALIENTE, creative testing, WhatsApp/Mensajes). Activar con informes o métricas de campañas, capturas del Administrador de Anuncios, preguntas sobre pixel o audiencias, guiones de…

not rated 4 5mo ago A 99 tokens original MIT

clawheart-security

21208

tjsdyy/clawheartv2

Skill Claude CodeCodex

A skill for using the local ClawHeart command-line tool to audit AI security, evaluate skills, and manage agent credentials.

not rated 4 3mo ago B 58 tokens

frank

21209

huxleyli15/frank

Skill Claude CodeCodex

Kills sycophancy. Stops the assistant from flattering, hedging, and caving. No "great question", no "you're absolutely right", no folding the moment you push back. Leads with the verdict and the risk, steelmans your idea then attacks it, labels every claim by confidence, and holds its ground on evidence instead of…

not rated 4 +1 3mo ago A 210 tokens original MIT

nikhilbhansali/claude-youtube-skills

Skill Claude CodeCodex

Find and analyze YouTube competitor channels using YouTube Data API v3. Discover competitors through keyword search, category matching, content similarity, and related channel discovery. Compare metrics, content strategies, and market positioning. Use when users want to (1) Find competitors for their YouTube channel…

not rated 4 8mo ago A 117 tokens original MIT

notebooklm

21212

sanjay3290/notebooklm-skill

Skill Claude CodeCodex

Query and manage Google NotebookLM notebooks with persistent profile auth, source sync, batch/multi queries, and structured exports. Use when user asks to query NotebookLM, 'ask my notebook', shares NotebookLM notebook URLs, wants to list/create notebooks, manage sources, do bulk folder sync, dedupe, or audit exports.

not rated 4 7mo ago A 69 tokens copy · 100% Apache-2.0

sem-inspect-weave

21213

timseriakov/sem-inspect-weave-skill

Skill Codex

Semantic version control workflow: sem (structural truth) -> inspect (review prioritization) -> weave (coordination + merge semantics).

not rated 4 7mo ago A 33 tokens original MIT

libby-book-monitor

21214

alexpolonsky/agent-skill-libby-book-monitor

Skill Claude CodeCodex

Track book availability on Libby/OverDrive libraries. Search library catalogues, manage a watchlist, and get notified when books are added. Use for "libby", "check libby", "libby watchlist", "is book on libby", "book available", "overdrive", "library catalogue", "ספרייה", "ספרים".

not rated 4 7mo ago A 78 tokens original MIT

suno-song-creator

21215

jayweiler/suno-song-creator

Skill Claude CodeCodex

Co-creative songwriting and Suno music generation skill. Use this skill whenever the user wants to: write a song, create lyrics, make music, generate a Suno prompt, work on a track, express feelings through music, write something for someone, turn an experience into a song, create a style prompt, remix or rework…

not rated 4 5mo ago A 176 tokens original MIT

md2card

21216

aipickgold/md2card

Skill Claude CodeCodex

A tool that turns Markdown text into image cards for Xiaohongshu, a Chinese social-media platform also known as RED. It is intended for posts made from several illustrated or informational cards.

not rated 4 5mo ago A 109 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: