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. 267,873 indexed, measured the same four ways as everything else here.

avmdbg

3937

cheetahsec/avmdbg

Skill Claude CodeCodex

Debug Android apps at the smali level with the avmdbg CLI — attach to debuggable processes over JDWP, set breakpoints at arbitrary dex offsets, and dump parameters, registers and stack traces as JSON. Use when reverse-engineering or dynamically analyzing an Android APK, inspecting runtime values (decrypted strings…

not rated 144 1mo ago A SkillSpector: warn 97 tokens original MIT

mockd

3938

getmockd/mockd

MCP server Claude CodeCodexCursor +2

MCP server "mockd" as configured in getmockd/mockd. Runs in Docker (ghcr.io/getmockd/mockd).

not rated 144 5d ago A tokens not measured original Apache-2.0

computer-control

3939

IIIIQIIII/claude-code-clean

MCP server Claude CodeCodexCursor +2

💻 MCP server for Claude to control your computer. Runs locally from the computer-use-mcp npm package.

not rated 144 5mo ago A tokens not measured

simulink/skills

Skill Claude CodeCodex

Analyze Simulink Profiler results to find simulation bottlenecks or compare two profiler sessions to identify regressions. Use when asked to profile a Simulink model, analyze profiler data, find what is slow, or compare simulation performance between two runs or releases.

not rated 144 2mo ago A SkillSpector: pass 61 tokens original BSD-3-Clause

dart-modern-features

3941

kevmoo/dash_skills

Skill Claude CodeCodex

Guidelines for using modern Dart features (v3.0 - v3.10) such as Records, Pattern Matching, Switch Expressions, Extension Types, Class Modifiers, Wildcards, Null-Aware Elements, and Dot Shorthands.

not rated 144 changed 2d ago A Socket: passSnyk: passSkillSpector: warn 54 tokens original Apache-2.0

behive-research

3942

qa10devteam/behive

Skill Claude CodeCodex

Use when the user asks to research a topic deeply, gather intelligence, or build a knowledge base. Connects to BeHive API (self-hosted or cloud) to run multi-source research missions with structured claim extraction, quality scoring, and knowledge graph construction.

not rated 144 1mo ago A SkillSpector: warn 57 tokens original MIT

web-design

3943

drewnekota/cetus

Skill Claude CodeCodex

Use when building any web page, HTML artifact, landing page, dashboard, slide deck, report, email, or UI component the user will look at. A taste-first design system that makes generated pages look intentional and crafted instead of generic "AI-made". Provides an aesthetic-direction process, design tokens, a starter…

not rated 143 +1 today A SkillSpector: pass 80 tokens original MIT

buffer-api

3944

proflead/codex-skills-library

Skill Claude CodeCodex

Manage Buffer content via the GraphQL API. Use when creating, scheduling, editing, or deleting posts, saving ideas, reading scheduled queues, or pulling post analytics. Not for general API debugging.

not rated 144 +1 1mo ago A 42 tokens

servo-fetch

3945

konippi/servo-fetch

Skill Claude CodeCodex needs its repo

Fetch and render web pages using the Servo browser engine — a single binary with JS execution, CSS layout, screenshots, and content extraction. Use when a URL returns empty or incomplete content with plain HTTP fetch, when you need a screenshot without GPU, or when you need to run JavaScript in a page context. No…

not rated 145 changed yesterday A SkillSpector: warn 70 tokens original Apache-2.0

web3-bug-classes

3946

Awarexone/web3-bug-bounty-hunting-ai-skills

Skill Claude CodeCodex

Complete reference for all 10 DeFi smart contract bug classes. Use this when hunting for specific vulnerability types, need attack patterns for accounting desync, access control, incomplete path, off-by-one, oracle manipulation, ERC4626 vaults, reentrancy, flash loans, signature replay, or proxy/upgrade bugs.

not rated 144 +3 20d ago A SkillSpector: pass 72 tokens copy · 100% MIT

openhands-automation

3947

OpenHands/extensions

Skill Claude CodeCodex

This skill should be used when the user asks to "create an automation", "schedule a task", "set up a cron job", "webhook integration", "event-triggered automation", or mentions automations, scheduled tasks, cron scheduling, or webhook events in OpenHands Cloud.

not rated 144 +1 changed 8d ago A SkillSpector: warn 62 tokens original MIT

mail-time

3948

veliovgroup/mail-time

Skill Claude CodeCodex

Use when building, wiring, reviewing, or debugging MailTime and ostrio:mailer email queues for horizontally scaled Node.js, Bun, or Meteor apps. Trigger on MailTime, MongoQueue, RedisQueue, PostgresQueue, mailTimePreset, JoSk email scheduling, Redis Cluster / KeyDB Cluster / Valkey useHashTags, KeyDB…

not rated 143 yesterday A SkillSpector: warn 179 tokens original BSD-3-Clause

onebot-ops

3949

LSTM-Kirigaya/openclaw-onebot

Skill Claude CodeCodex

Instructions for operating a OneBot channel, which connects messaging systems such as QQ or Lagrange to an agent gateway. They cover receiving messages, sending messages, configuration, and supported QQ actions.

not rated 143 4mo ago A 39 tokens original MIT

deltasci-ground

3950

boheling/deltasci

Skill Claude CodeCodex

The grounding layer for AI-assisted research: scan the real prior art around an idea, gauge how crowded or open the gap is, and verify every citation against the source of truth. You (the agent) supply the discovery intelligence — writing search queries, judging relevance, reasoning about the gap — while the…

not rated 143 3mo ago A 155 tokens original MIT

open-record-replay

3951

humblebanana/open-record-replay

Skill Claude CodeCodex needs its repo

Record a user-demonstrated macOS workflow with the Open Record/Replay CLI, inspect the captured event stream, prepare a skill evidence package, and hand it to the host agent's native skill creator. Use when the user asks the agent to watch them perform a task, record a workflow, or create/refine a reusable Computer…

not rated 143 +2 2mo ago A SkillSpector: pass 77 tokens original MIT

elixir-architect

3952

maxim-ist/elixir-architect

Skill Claude CodeCodex

Use when designing or architecting Elixir/Phoenix applications, creating comprehensive project documentation, planning OTP supervision trees, defining domain models with Ash Framework, structuring multi-app projects with path-based dependencies, or preparing handoff documentation for Director/Implementor AI…

not rated 143 +1 9mo ago A 57 tokens original MIT

writing-skills

3953

julianromli/opencode-template

Skill Claude CodeCodex

Use when creating new skills, editing existing skills, or verifying skills work before deployment.

not rated 143 +1 7mo ago A 20 tokens

podpull

3954

xiaoleiy/podpull

Skill Claude CodeCodex

A command-line tool for downloading podcast episode audio files. It can work from Apple Podcasts links, podcast RSS feeds, or Xiaoyuzhou episode links; an RSS feed is the list of episodes and their media files.

not rated 144 +1 changed 10d ago A SkillSpector: pass 0 tokens original MIT

design-taste-frontend

3955

dmae97/omk

Skill Claude CodeCodex

Anti-slop frontend skill for landing pages, portfolios, and redesigns. The agent reads the brief, infers the right design direction, and ships interfaces that do not look templated. Real design systems when applicable, audit-first on redesigns, strict pre-flight check.

not rated 143 today A 61 tokens

kimi3manim

3956

HarleyCoops/KimiK3Manim

Skill Claude CodeCodex

Turn math and physics concepts into rendered Manim films.

not rated 143 +1 1mo ago A SkillSpector: pass 15 tokens original MIT

svelte

3957

aker-dev/microfolio

MCP server Claude CodeCodexCursor +2

The CLI version of the Svelte MCP. Runs locally from the @sveltejs/mcp npm package.

not rated 143 +1 4d ago A tokens not measured original MIT

recall

3958

arjunkmrm/recall

Skill Claude CodeCodex

Search past Claude Code, Codex, pi and Grok sessions. Triggers: /recall, "search old conversations", "find a past session", "recall a previous conversation", "search session history", "what did we discuss", "remember when we".

not rated 144 1mo ago A 58 tokens original MIT

abx-dl

3959

ArchiveBox/abx-dl

Skill Claude CodeCodex

Use this when working on the standalone ArchiveBox downloader CLI, extractor orchestration, plugin execution, config, and output verification.

not rated 143 +1 3d ago C 30 tokens original MIT

reelclaw

3960

dansugc/reelclaw

Skill Claude CodeCodex

Create, produce, and publish UGC-style short-form video reels at scale. Full pipeline: source UGC reaction hooks from DanSUGC, analyze app demos with Gemini AI, assemble reels with ffmpeg, publish via DanSUGC Posting (TikTok + Instagram), track performance and research viral formats/hooks via DanSUGC's built-in…

not rated 143 +1 3mo ago D 79 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: