Best Codex skills worth installing
Codex can use agent skills: folders with a SKILL.md and supporting files. This shortlist keeps only skills already in AgentSkillsDir that come with a Codex setup snippet, so every card leads to Codex instructions rather than a Claude-only path.
- 11skills
- Codexsetup on every entry
- MITlicence
The shortlist
Grouped by workflow: engineering, design, writing, memory, then media. The numbers are positions, not scores.
Composable engineering skills for requirements, test-driven development, architecture review and turning plans into small tasks.
CodexTerminal; pinned README setup (package installs may track a release, not this source commit)
Garry Tan’s Claude Code skill set with role-based tools for planning, design, engineering review, QA, release and docs.
CodexSame checkout; read ./setup before running it
Frontend design skill that gives agents an art direction, reference layouts and a browser check before calling a page done.
CodexRun in your terminal
Guides website planning, implementation and browser checks, with a separate jury skill for reviewing the result.
CodexLocal skills setup; keep the pinned checkout
Checks drafts against 120 recurring writing patterns and suggests plain rewrites with examples.
CodexLocal skills setup; keep the pinned checkout
Local memory for AI agents in one SQLite file.
Codex~/.codex/config.toml · upstream README
Builds product videos with a local motion runtime, composed audio and a browser editor for frame-specific revisions.
CodexLocal skills setup; keep the pinned checkout
A code-driven film toolkit with 59 documented styles, guides and rendering tools for creating short films with a coding agent.
CodexManual skill-folder copy per README; model behavior is not guaranteed
Creates interactive 3D machine explanations in standalone HTML, with small physics models and optional video capture.
CodexLocal skills setup; keep the pinned checkout
Agent skill that builds detailed, interactive isometric illustrations of real machines and technical ideas as SVG, with optional WebGL effects.
CodexRun in your terminal (README, “Install”)
Packages Blender modeling, materials, animation, rendering and asset checks as a collection of agent skills.
CodexLocal skills setup; keep the pinned checkout
How these skills were picked
Every entry meets the same three checks. Nothing here is ranked by stars, downloads or an invented rating.
- Pinned source
- The entry links to one reviewed commit and records its licence, so you install what was checked.
- Codex setup documented
- The entry has a Codex install snippet in the directory. Skills whose Codex support is not confirmed are left out.
- Listed and recommendable
- The entry is a reviewed directory listing that is not held back from recommendations. Listed does not mean audited.
Hands-on Codex tests: not recorded yet. AgentSkillsDir has not run these skills in Codex. When tests are done, results appear here with the Codex version and date.
What counts as a Codex skill
A skill is a folder of instructions, with optional scripts and references, that the agent loads when a task matches its description. Many skills written for Claude Code use the same SKILL.md format, but install locations differ, so this list keeps only entries with a Codex-specific snippet.
Install one skill, then check it
Check out the pinned revision, place the folder where the Codex snippet says, then start a new Codex session and confirm the skill is available. Read any bundled scripts before letting Codex run them, and follow the current Codex skills documentation for paths.
Related pages
Skills add instructions. For extra tools, or for the full directory, start here.
- MCP servers for Codex: Connect external tools to Codex through MCP rather than skill instructions.
- All skills: Browse every listed skill and filter by setup client.
- Install skills (Claude Code guide): Folder, plugin and CLI install methods; Codex uses its own skills location.
FAQ
What are Codex skills?
Folders of instructions, with a SKILL.md and optional scripts or references, that Codex can load for matching tasks. They change how Codex works on a task; they do not add new tools the way an MCP server does.
How do I install a skill in Codex?
Open the skill’s entry, choose the Codex tab under Install, check out the pinned revision and put the folder where the snippet says. Start a new session and confirm the skill is available. Nothing is installed from this page.
Do Claude Code skills work in Codex?
Often the SKILL.md format is the same, but compatibility is not guaranteed and install paths differ. This list includes only entries with a Codex snippet; elsewhere in the directory, entries without one show Codex as not confirmed.
Reference: https://developers.openai.com/codex/skills
These selections are organized by task, without invented ratings, search volumes or compatibility-test results.