Skills, prompts, AGENTS.md files and MCP servers that Codex reads. Skills are shared with Claude Code; the rest is Codex-native. 281,800 indexed, measured the same four ways as everything else here.
Skill Claude CodeCodex
Understands nono security sandbox constraints. Use when running inside a nono sandbox, when tool operations fail with permission errors, or when the user asks about sandbox capabilities.
Skill Claude CodeCodex
Tunee AI music creation skill — free API, free music generation. Use this skill for any request involving music creation, song writing, lyric generation, or instrumental/BGM production. Trigger signals include: action phrases (generate music, music generation, generate song, song generation, instrumental production)…
Skill Claude CodeCodex
Manage background processes like dev servers. Use when you need to start, stop, or check status of long-running processes.
Skill Claude CodeCodex
Generate retro-tech visuals and layouts combining ASCII art, halftone or pixel dithering, typographic design, and vintage electronic-print texture. Use for ASCII art from images or text, cyberpunk or brutalist posters, CRT terminal aesthetics, dot-matrix visuals, pixel-dithered artwork, tech zines, early…
solanabr/solana-vault-standard
MCP server Claude CodeCodexCursor +2
One of 6 in .mcp.json
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.
1NickPappas/move-code-quality-skill
Skill Claude CodeCodex
Analyzes Move language packages against the official Move Book Code Quality Checklist. Use this skill when reviewing Move code, checking Move 2024 Edition compliance, or analyzing Move packages for best practices. Activates automatically when working with .move files or Move.toml manifests.
NikolasMarkou/epistemic-deconstructor
Skill Claude CodeCodex
Systematic reverse engineering of unknown systems using scientific methodology. Use when: (1) Black-box analysis, (2) Competitive intelligence, (3) Security analysis, (4) Forensics, (5) Building predictive models. Features 6-phase protocol with a mandatory abductive expansion sub-phase, Bayesian inference…
Cyb3rWard0g/agent-jupyter-toolkit
Skill Claude CodeCodex
Perform structured data exploration and analysis using notebook execution. Use this skill when working with datasets retrieved from databases, data lakes, or files and you need to understand their structure, investigate patterns, and produce defensible analytical findings. The objective is to progressively explore the…
Skill Claude CodeCodex
Write prose clean of AI texture, or audit a draft through two gates: source fidelity (every quoted or attributed line verified against primary sources, four verdicts, correction log) and taste (mechanical tell scan plus a nine-dimension scorecard). Use when the user says "de-slop this", "slop check", "AI smell"…
antonygiomarxdev/angular-doctor
Skill Claude CodeCodex
Run after making Angular changes to catch issues early. Use when reviewing code, finishing a feature, or fixing bugs in an Angular project.
AlexAI-MCP/GPT5.6-SOLTELU-Model-Inverter
Skill Codex
Optimize quality per token across GPT Codex, GPT Work, and Codex CLI by automatically selecting the best-fit GPT-5.6 Luna, Terra, or Sol profile and reasoning effort for the main task and every delegated subtask. Prioritize direct visible Codex execution and importance-aware subagent routing. Use automatically for…
cnkang/nginx-markdown-for-agents
Skill Codex
Route and validate harness maintenance work for nginx-markdown-for-agents. Use when changing AGENTS.md, docs/harness, tools/harness, Makefile, or CI harness wiring. Also use it when you need spec resolution, risk-pack routing, or phased verification commands.
Skill Claude CodeCodex
A guided process for defining a personal work-partner persona, meaning the role, tone, relationship, and limits an agent should follow when helping you.
Skill Claude CodeCodex
Configure the private route as a hidden admin utility. Moves credentials to env vars; operator updates .env using .envTemplate instructions. No credentials passed to the skill.
Skill Claude CodeCodex
AI product development wisdom from 120+ Lenny's Podcast episodes. Covers AI product strategy, LLM applications, ML integration, AI agents, and building AI-native products. Use when building AI products, integrating LLMs, designing AI features, or developing AI strategy.
libby0928/stacy-sims-perspective-skill
Skill Claude CodeCodex
A set of Stacy Sims’s ideas about women’s endurance training, nutrition, recovery, menstrual-cycle changes, menopause, and active ageing.
kiki-lgtm-dot/light-retro-collage-xiaohongshu-skill
Skill Codex
Analyze topics, research and fact-check claims, write beginner-friendly Chinese copy, create light-retro collage artwork, render, and quality-check 3:4 Xiaohongshu knowledge carousels. Use when Codex must turn a keyword, article, document, screenshot, mixed source material, concept, or knowledge fragment into a…
Skill Claude CodeCodex
An automated tool for editing spoken videos. It transcribes speech, finds filler words, repeated words, and pauses, then cuts and joins the useful sections.
ZJunCher/openclaw-qqbot-send-skill
Skill Claude CodeCodex
Send local files, images, audio, video, and other media through QQBot end to end. Use when the user asks to send a file to QQ, send a desktop/downloads/local absolute-path file, resend a local attachment, or when QQBot file sending should automatically stage the file into the QQ media relay directory, deliver it with…
jxshow/Jingge-PPT-sense-deck-skill
Skill Claude CodeCodex
Create premium static HTML presentations from short themes or long source material by researching when needed, building a content IR, and assembling reusable themes, full deck templates, single-page layouts, animations, speaker mode, optional gesture navigation, and optional export artifacts. Use for PPT, slides…
Skill Claude CodeCodex
Use when asked to run, benchmark, evaluate, or score an LLM with AEON Bench. You run the AEON Bench Pod on the user's machine, point it at a model, run the benchmark, and submit the signed result to the public leaderboard at aeon-bench.com. All work happens on the pod. The mothership only shows the board and accepts…
Skill Claude CodeCodex
Build typed HTTP APIs with Effect's HttpApi — endpoints with schemas, handlers, security middleware, OpenAPI docs, derived clients, and handler unit tests. Use when building HTTP servers, REST APIs, or typed HTTP clients with Effect v4.
Skill Claude CodeCodex
A set of instructions for controlling LiteLLM usage and spending. It covers virtual keys, which can identify users or applications, along with budgets, limits, and request labels.
shreefentsar/remotion-video-toolkit
Skill Claude CodeCodex
Complete toolkit for programmatic video creation with Remotion + React. Covers animations, timing, rendering (CLI/Node.js/Lambda/Cloud Run), captions, 3D, charts, text effects, transitions, and media handling. Use when writing Remotion code, building video generation pipelines, or creating data-driven video templates.
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: