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. 273,317 indexed, measured the same four ways as everything else here.

omv-find

20163

bx33661/oh-my-vul

Skill Claude CodeCodex

Finds and ranks open-source packages worth auditing for passive CVE/VulDB research. Use when the user asks for vulnerability research targets, CVE hunting candidates, packages to audit, projects to fuzz, or /omv-find. Supports npm, Python, Go, Rust, Java, Ruby, PHP, C#, Swift, Dart, Elixir, Perl, R, and Lua, with…

not rated 4 1mo ago A 122 tokens original MIT

fabled

20164

5kahoisaac/skillless

Skill Claude CodeCodex

Six-phase build discipline that turns one prompt into a complete, runnable deliverable with zero placeholders. Use for ANY non-trivial single-prompt build request — "build me…", "create an app/script/tool/site/game/bot/pipeline that…", "make a complete…", "write a program that…" — and whenever the user says…

not rated 4 8d ago A 171 tokens original MIT

stock-images

20165

jeanpfs/stock-images

Skill Claude CodeCodex

Search and download stock photos from Pexels, Unsplash, and Pixabay for projects, landing pages, UI mockups, and content. Use when users explicitly ask to find stock photos, need a hero/profile/content image, or want to download a selected stock image.

not rated 4 5mo ago B 57 tokens original MIT

engaging-networks-api

20167

orkestre-ai/orkestre-engaging-networks

Skill Claude CodeCodex

Engaging Networks Public API integration for nonprofit data synchronization and reporting. Use when implementing Engaging Networks Public API calls, building campaign widgets, creating donor rolls, fetching supporter counts, retrieving donation summaries, or integrating EN data with external systems. Supports…

not rated 4 6mo ago A 85 tokens original MIT

clarify-first

20168

geniusBrainLsm/clarify-first

Skill Codex

Resolve unclear instructions before acting. Ask focused clarification questions until every ambiguity that could change scope, behavior, safety, compatibility, data sources, API contracts, or acceptance criteria is settled. Use whenever a request starts with cf: or cf :, or when the user explicitly requests…

not rated 4 1mo ago A 83 tokens original MIT

mobile-ui-replicator

20169

Neilander/mobile-ui-replicator

Skill Claude CodeCodex

You (the agent) just got asked to turn a UI screenshot + style reference image + a written description of the app's features into a working single-file HTML demo painted in the style of the reference. This file tells you how.

not rated 4 5mo ago A 0 tokens

harness-design

20170

zanwei/harness-design

Skill Claude CodeCodex

Quality harness for design-dna Phase 3 output with browser-based visual verification. After an agent generates a design from a Design DNA JSON + user content, this skill acts as a verification and scoring layer — collecting all page resources via console/network inspection, performing section-by-section screenshot…

not rated 4 5mo ago A 232 tokens original MIT

searxng-websearch

20171

Mr-DS-ML-85/searxng-websearch

Skill Claude CodeCodex

Use this skill whenever the user wants to search the web, do research on a topic, fetch a webpage, or gather information from online sources using a self-hosted SearXNG instance. Triggers include: 'search for', 'look up', 'find online', 'deep research', 'fetch this page', 'web search', or any request that needs…

not rated 4 2mo ago A 130 tokens original MIT

layout-discipline

20172

crazyzlnofficial/layout-discipline

Skill Claude CodeCodex

A set of rules for keeping AI-generated web pages visually consistent, including their text sizes, spacing, alignment, cards, and colors.

not rated 4 3mo ago A 105 tokens original MIT

aoa-memo-writeback

20173

8Dionysus/aoa-skills

Skill Codex

Use only before any memo artifact exists to decide whether live-session, closeout, landed-work, PR, diff, or review evidence yields one guarded memo candidate, export, or no-write result. If a concrete memo candidate, export, object, corpus, lifecycle, or read-model target already exists, use aoa-memo. Do not use for…

not rated 4 changed 29d ago A 95 tokens original Apache-2.0

ast-code-graph

20174

rolandbrecht/agent-skills

Skill Claude CodeCodex

Use this skill ANY time you need to search for code structure, refactor symbols, analyze impact, find dead code, or trace dependencies. ALWAYS invoke BEFORE using grep for structural code analysis. Trigger categories: structural pattern search (e.g. useEffect without deps, async without try-catch, fetch calls outside…

not rated 4 16d ago A 196 tokens original MIT

bitbake-metadata

20175

prashantdivate/awesome-yocto-ai-agent-skills

Skill Codex

Official-doc-first BitBake metadata support for AI coding agents. Use when inspecting, creating, editing, or debugging BitBake recipes, appends, classes, include files, configuration, tasks, variables, overrides, fetchers, signatures, sstate, dependency graphs, parse errors, QA errors, or files ending in .bb…

not rated 4 3mo ago A 100 tokens original MIT

wan27-image

20176

walex8925/wan27

Skill Claude CodeCodex

Free AI text-to-image generator powered by Alibaba's open-source Wan 2.7 model. No signup needed.

not rated 4 5mo ago A 27 tokens

skill-testing

20177

wangwei1237/agent-skills

Skill Codex

Test Agent Skills from tests/skillcases.yaml files. Use when validating whether a Skill triggers correctly, produces a dry-run plan, satisfies output contracts, handles edge/failure cases, or when asked to run Skill Test cases, judge Agent responses against YAML expectations, or produce Skill test reports.

not rated 4 3mo ago A 61 tokens original Apache-2.0

innovator-computer

20178

hyYY-1024/hy-skills

Skill Claude CodeCodex

A computer-science research adviser for designing novel ideas, finding gaps in existing research, comparing related work, and planning technical approaches.

not rated 4 5mo ago A 85 tokens

skill-autoresearch

20180

souljorje/agent-skills

Skill Claude CodeCodex

Validates and improves agentic skills by running isolated executor agents against test briefs, scoring confusion, fixing unclear instructions, and rerunning until stop criteria pass. Use when asked to test or evaluate a skill, find skill failure modes, or harden a skill before reuse. Inspired by Karpathy's…

not rated 4 4mo ago A 67 tokens

microcks-openapi-mocking

20181

emmanuelperu/microcks-skills

Skill Claude CodeCodex needs its repo

Write OpenAPI examples that work with Microcks dispatchers for API mocking. Covers example pairing rules, JSON body dispatching, Groovy script dispatching, and dispatcher configuration via the Microcks API.

not rated 4 6mo ago A 47 tokens original Apache-2.0

lets-talk

20182

computerlovetech/skills

Skill Claude CodeCodex

Speak replies aloud through the ElevenLabs API during a conversational voice session. Use this skill whenever the user's prompt starts with "Let's talk" or "Okay, let's talk", or when the user says they want a speech session, voice session, spoken session, wants you to talk out loud, mentions using Wispr Flow or…

not rated 4 2mo ago A 112 tokens

understand

20183

fcescob/understand

Skill Claude CodeCodex

Use when someone wants to genuinely understand something and have it stick — a topic, mechanism, paper, theorem, algorithm, domain, or real code — not just get an answer. Fires on comprehension intent even without the word "understand": "help me understand X", "derive X from first principles", "why does this behavior…

not rated 4 3mo ago A 134 tokens original MIT

agent-forge

20184

sinclarespeaking143/openclaw-superagent

Skill Claude CodeCodex

A tool for creating, improving, and reviewing skills and agents for OpenClaw. It has separate workflows for creating a skill, creating an agent, or improving an existing one.

not rated 4 today A 111 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: