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By agent · Codex

Codex skills: 1008 worth installing

Skills in the open SKILL.md format that Codex reads. Each one has a plain-language summary and the command to install it.

Installing a skill in Codex

$ npx skills add <author>/<skill> --agent codex

Replace the placeholder with the author and skill name from the skill's page. Start a new Codex session afterwards so the skill is picked up.

Skills for Codex

All skills

BigQuery Basics

GoogleOfficial

Manages BigQuery datasets, tables and jobs, and runs SQL queries for basic ingestion and analysis.

DataGitHub stars: 20.6kInstalls: 15.6k

Cloud Run Basics

GoogleOfficial

Manages Cloud Run services, jobs and worker pools for HTTP apps, scheduled tasks and background processing.

DevelopmentGitHub stars: 20.6kInstalls: 15.9k

Cloud SQL Basics

GoogleOfficial

Creates and explains Cloud SQL instances and databases for MySQL, PostgreSQL and SQL Server.

DataGitHub stars: 20.6kInstalls: 13.3k

Developing Genkit JS

GoogleOfficial

Helps build AI applications with Genkit in Node.js and TypeScript: flows, tools, agents and fixes for common Genkit errors.

DevelopmentGitHub stars: 20.6kInstalls: 2.4k

Firebase Basics

GoogleOfficial

Covers Firebase CLI basics: installation, login, project creation and selection, and app config download.

DevelopmentGitHub stars: 20.6kInstalls: 12.8k

gcloud

GoogleOfficial

Adds validation and guardrails to gcloud CLI operations across Google Cloud services, and trims their output.

DevelopmentGitHub stars: 20.6kInstalls: 9.2k

Gemini API

GoogleOfficial

Guides use of the Gemini API on Google Cloud's Agent Platform with the Google Gen AI SDK.

DevelopmentGitHub stars: 20.6kInstalls: 15.6k

Gemini Live API

GoogleOfficial

Generates a client service class for the Gemini Live API websocket endpoint in the language you choose.

DevelopmentGitHub stars: 20.6kInstalls: 4k

GKE Basics

GoogleOfficial

Handles core GKE tasks: cluster provisioning, credentials, the Autopilot or Standard choice and workload deployment.

DevelopmentGitHub stars: 20.6kInstalls: 12.6k

Edits Chinese articles and documents to remove empty, repetitive and templated phrasing while keeping the facts and the author's voice.

WritingGitHub stars: 18.8kInstalls: 51.2k

Playwright CLI

MicrosoftOfficialAudit warning

Automates browser interactions and tests web pages through the Playwright CLI.

AutomationGitHub stars: 13.7kInstalls: 171k

Hugging Face CLI

Hugging FaceOfficialAudit warning

Uses the Hugging Face Hub CLI to download, upload and manage models, datasets, Spaces, buckets and jobs.

DevelopmentGitHub stars: 11.1kInstalls: 3k

Hugging Face Community Evals

Hugging FaceOfficial

Runs evaluations of Hugging Face Hub models on local hardware with inspect-ai and lighteval.

DataGitHub stars: 11.1kInstalls: 1.7k

Hugging Face Datasets

Hugging FaceOfficial

Works with the Hugging Face Dataset Viewer API: split metadata, row pagination, text search, filters and parquet downloads.

DataGitHub stars: 11.1kInstalls: 2.1k

Hugging Face Gradio

Hugging FaceOfficial

Builds Gradio web UIs and demos in Python: components, event listeners, layouts and chatbots.

DevelopmentGitHub stars: 11.1kInstalls: 2.1k

Hugging Face LLM Trainer

Hugging FaceOfficial

Fine-tunes language and vision models with TRL or Unsloth on Hugging Face Jobs, including GGUF conversion.

DevelopmentGitHub stars: 11.1kInstalls: 2k

Hugging Face Local Models

Hugging FaceOfficial

Helps select and run models locally with llama.cpp and GGUF on CPU, Mac Metal, CUDA or ROCm.

DevelopmentGitHub stars: 11.1kInstalls: 1.6k

Hugging Face Paper Publisher

Hugging FaceOfficial

Publishes and manages research papers on the Hugging Face Hub and links them to models and datasets.

ResearchGitHub stars: 11.1kInstalls: 1.6k

Hugging Face Papers

Hugging FaceOfficial

Reads Hugging Face paper pages as markdown and fetches structured metadata such as authors and linked models.

ResearchGitHub stars: 11.1kInstalls: 1.9k

Hugging Face Spaces

Hugging FaceOfficialAudit warning

Builds, deploys and maintains apps on Hugging Face Spaces with the Gradio, Docker or Static SDKs.

DevelopmentGitHub stars: 11.1kInstalls: 878

Hugging Face Trackio

Hugging FaceOfficial

Tracks and visualises ML training experiments with Trackio: logged metrics, alerts and a live dashboard.

DataGitHub stars: 11.1kInstalls: 1.7k

Hugging Face Vision Trainer

Hugging FaceOfficial

Trains and fine-tunes vision models for object detection, image classification and SAM segmentation.

DevelopmentGitHub stars: 11.1kInstalls: 1.8k

Transformers.js

Hugging FaceOfficial

Runs machine learning models directly in JavaScript and TypeScript with Transformers.js, for text, vision and audio tasks.

DevelopmentGitHub stars: 11.1kInstalls: 1.9k

mcp-use MCP Builder

mcp-useOfficial

Builds, debugs and reviews TypeScript MCP servers and MCP Apps with mcp-use: tools, resources, prompts and authentication.

DevelopmentGitHub stars: 10.7kInstalls: 9.6k

Questions

Codex and skills.

Do Claude skills work in Codex?

Often. A skill is a folder of instructions and scripts in the open SKILL.md format, which Codex reads. A skill that depends on tools only one agent provides will not carry over, so read the skill's source before you rely on it.

How do I install a skill in Codex?

Each skill page has an install command. Run it in a terminal, then start a new Codex session so the skill is picked up.

What is the difference between a skill and an instructions file such as AGENTS.md?

An instructions file is loaded in every session and describes the project. A skill is loaded only when a task calls for it, so it can be long and specific without costing context on every turn.

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