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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

GH Address Comments

OpenAIOfficialAudit warning

Addresses review and issue comments on the open GitHub pull request for the current branch with the gh CLI.

DevelopmentGitHub stars: 27.8kInstalls: 4.3k

GH Fix CI

OpenAIOfficialAudit warning

Debugs failing GitHub Actions checks on a pull request: inspects logs, summarises the failure and drafts a fix plan.

DevelopmentGitHub stars: 27.8kInstalls: 10.7k

Hatch Pet

OpenAIOfficial

Creates and packages Codex-compatible animated pets and spritesheets from character art or visual references.

DesignGitHub stars: 27.8kInstalls: 3.1k

Jupyter Notebook

OpenAIOfficial

Creates and edits Jupyter notebooks for experiments, explorations and tutorials from bundled templates.

DataGitHub stars: 27.8kInstalls: 5.2k

Linear

OpenAIOfficialAudit warning

Reads, creates and updates issues, projects and team workflows in Linear.

ProductivityGitHub stars: 27.8kInstalls: 10k

Migrate to Codex

OpenAIOfficial

Migrates instruction files, skills, agents and MCP config from other agents into Codex.

DevelopmentGitHub stars: 27.8kInstalls: 2.4k

Netlify Deploy

OpenAIOfficial

Deploys web projects to Netlify with the Netlify CLI, including preview and production deploys.

DevelopmentGitHub stars: 27.8kInstalls: 3.3k

Captures conversations and decisions as structured Notion pages such as wiki entries, how-tos and FAQs.

ProductivityGitHub stars: 27.8kInstalls: 3.3k

Prepares meeting materials from Notion context: agendas, pre-reads and notes tailored to the attendees.

ProductivityGitHub stars: 27.8kInstalls: 2.9k

Notion Research Documentation

OpenAIOfficialAudit warning

Researches across Notion pages and synthesises the findings into briefs, comparisons or reports with citations.

ResearchGitHub stars: 27.8kInstalls: 3.4k

Notion Spec to Implementation

OpenAIOfficialAudit warning

Turns a Notion spec into an implementation plan with tasks and progress tracking.

ProductivityGitHub stars: 27.8kInstalls: 3k

OpenAI Docs

OpenAIOfficialAudit warning

Looks up current official OpenAI documentation with citations, and helps choose a model for a use case.

DevelopmentGitHub stars: 27.8kInstalls: 5k

PDF (OpenAI)

OpenAIOfficialAudit warning

Reads, creates and reviews PDF files where rendering and layout matter, checking pages visually.

DocumentsGitHub stars: 27.8kInstalls: 13k

Keeps a persistent browser or Electron session open for fast, iterative UI debugging.

DevelopmentGitHub stars: 27.8kInstalls: 5.2k

Playwright

OpenAIOfficialAudit warning

Automates a real browser from the terminal with playwright-cli: navigation, forms, snapshots, screenshots and data extraction.

AutomationGitHub stars: 27.8kInstalls: 7.6k

Render Deploy

OpenAIOfficial

Deploys applications to Render by analysing the codebase and generating a render.yaml Blueprint.

DevelopmentGitHub stars: 27.8kInstalls: 3k

Screenshot

OpenAIOfficial

Takes desktop or system screenshots of the full screen, a specific window or a pixel region.

ProductivityGitHub stars: 27.8kInstalls: 5.9k

Security Best Practices

OpenAIOfficialAudit warning

Reviews code against security best practices for its language and framework, and suggests improvements.

DevelopmentGitHub stars: 27.8kInstalls: 9.8k

Security Ownership Map

OpenAIOfficialAudit warning

Analyses a git repository to map who owns security-sensitive code and computes the bus factor.

DevelopmentGitHub stars: 27.8kInstalls: 3.5k

Security Threat Model

OpenAIOfficial

Writes a threat model grounded in the repository: trust boundaries, assets, attacker capabilities and mitigations.

DevelopmentGitHub stars: 27.8kInstalls: 6.8k

Sentry (OpenAI)

OpenAIOfficialAudit warning

Inspects Sentry issues and events and summarises recent production errors through the Sentry CLI, read-only.

DevelopmentGitHub stars: 27.8kInstalls: 3.3k

Speech

OpenAIOfficial

Generates text-to-speech narration and voiceovers with the OpenAI Audio API.

Video and mediaGitHub stars: 27.8kInstalls: 3.3k

Transcribe

OpenAIOfficial

Transcribes audio files to text, with optional speaker diarisation.

Video and mediaGitHub stars: 27.8kInstalls: 3.6k

Vercel Deploy

OpenAIOfficialAudit warning

Deploys applications and websites to Vercel, including preview deployments.

DevelopmentGitHub stars: 27.8kInstalls: 3.2k

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.

Other agents