Skills and MCP servers for Codex

OpenAI

openai.com/codex

Install paths

User~/.codex/skills/

Compatible entries

Editors’ pick

A skills library that gives coding agents a development process: brainstorming, planning, TDD, subagents and code review

PluginMedium risk286.6K
Editors’ pick

Small composable skills for engineering with agents: plan grilling, TDD, bug diagnosis, code review and architecture

SkillLow risk262K
Editors’ pick

OpenAI's coding agent that runs locally in your terminal, with IDE and desktop versions

CLIHigh risk124.1K
Editors’ pick

A frontend design skill with 23 commands, live browser iteration and 61 detector rules for common AI-generated UI tells

SkillHigh risk68K
Editors’ pick

A skill that gathers the last 30 days of discussion on a topic from Reddit, X, YouTube, HN, Polymarket and GitHub into one brief

SkillHigh risk62K

Marketing Skills for AI agents

Marketing Skills for AI Agents

Editors’ pick

About fifty skills for CRO, copywriting, SEO, analytics, ads and launches, built for coding agents

SkillLow risk50.2K
Editors’ pick

166 skills for scientific work: bioinformatics, cheminformatics, clinical data, geospatial analysis and 100+ databases

SkillMedium risk44.9K

Trail of Bits skills

Trail of Bits Skills Marketplace

Editors’ pick

Trail of Bits plugin marketplace for security work: smart contracts, C/C++ and Rust review, Semgrep, CodeQL and fuzzing

PluginMedium risk7.1K
Editors’ pick

Official skills and agents from the .NET team: performance, MSBuild, NuGet, upgrades, testing, ASP.NET Core, Blazor and MAUI

PluginMedium risk5.4K
Editors’ pick

Official Remotion skills for making videos in React: compositions, animation, captions, maps and rendering

SkillLow risk4.6K

Kubernetes MCP

MCP Server Kubernetes

Editors’ pick

MCP server for managing a Kubernetes cluster through kubectl and Helm, with a non-destructive mode

MCP serverHigh risk1.6K
Editors’ pick

HashiCorp's official MCP server for the Terraform Registry and HCP Terraform: providers, modules, policies and workspaces

MCP serverHigh risk1.5K
Editors’ pick

Skills covering the full 1C:Enterprise 8.3 development cycle, from XML sources to publishing and web client testing

SkillHigh riskRussian stack601

An engineering system for coding agents: 68 agents, 292 skills, hooks, memory, rules and the AgentShield security scanner

PluginHigh risk258.3K

A plugin and skill that makes the agent write minimal code: reuse, stdlib and native platform features come first

PluginMedium risk138.3K

A collection of 100+ AI agent and RAG app templates, including a section of skills for coding agents

SkillMedium risk138.2K

Garry Tan's skill suite that turns Claude Code into a virtual team: product, architecture, design, review, QA and shipping

SkillHigh risk133K

A skill with a searchable base of styles, palettes, font pairings and UX rules that generates a design system per product type

SkillMedium risk127.6K

A skill that cuts an agent's prose output, plus a local proxy that compresses what the agent reads

SkillHigh risk105.6K

An open-source Claude Design alternative that builds prototypes, decks, dashboards and video through your local agents

MCP serverHigh risk96.2K

25 engineering skills across the development lifecycle: spec, plan, build, test, review and ship

SkillLow risk94.3K

A self-hosted control center for coding agents: OpenHands, Claude Code, Codex and Gemini on local and remote backends

CLIHigh risk87.9K

Skills against boilerplate-looking UIs: layout, type, motion and spacing, plus reference image generation for web and mobile

SkillLow risk87.1K

A plugin that builds a knowledge graph of a codebase or wiki and opens an interactive dashboard with search, tours and diff impact

PluginHigh risk82.7K

A curated list of Claude skills and plugins, plus Composio's own automation skills for 78 SaaS apps

SkillHigh risk75K

Obsidian skills

Obsidian Skills

Skills for agents working with Obsidian: Markdown with wikilinks, Bases, JSON Canvas, Obsidian CLI, Defuddle and Knap

SkillMedium risk48.3K

Claude Code skills for the academic pipeline: research, paper drafting, peer review and citation checks

SkillMedium risk48K

Agentic Plugin Marketplace by wshobson

Agentic Plugin Marketplace

94 plugins, 202 agents, 183 skills and 105 commands for Claude Code, generated for Codex, Cursor, OpenCode and Copilot

PluginMedium risk39.6K

Turns a technical book or a folder of documents into a structured skill with chapters, a glossary and a cheatsheet

SkillMedium risk30.6K

Five skills: recordable web presentations, web design, GPT Image 2 prompting, local knowledge base retrieval and articles

SkillMedium risk12.4K

A skill for editable draw.io diagrams from text, code, Terraform, Kubernetes, SQL and OpenAPI, with export and self-checks

SkillMedium risk9.3K

A skill set for auditing, planning and monitoring ad accounts across twelve platforms with JSON reports

PluginHigh risk9.3K

Web Access

web-access

A web access skill that picks between search, page fetch and driving your own browser over CDP

SkillHigh risk8.9K

A local browser UI to annotate agent plans and review diffs, then send the feedback back to the agent

PluginMedium risk8.7K

Skills for design engineers: quick UI cleanup, accessibility, metadata and animation performance fixes

SkillLow risk8.5K

CLI for full-cycle CI/CD to Kubernetes: image builds, Helm-based deploys and container registry cleanup

CLIHigh risk4.7K

A skill that lets an agent write and run Playwright scripts: page tests, forms, screenshots and link checks

SkillHigh risk3.1K

Terraform Skill

Terraform & OpenTofu Skill for AI Agents

A Terraform and OpenTofu best-practices skill: tests, modules, state, CI/CD and security scanning for AWS, Azure and GCP

SkillLow risk2.3K

pohuy

ПОХУЙ

An agent voice mode using idiomatic Russian profanity while keeping technical precision, 18+

SkillMedium risk1.2K

A Helm alternative for deploying charts to Kubernetes with release plans, resource tracking and encrypted secrets

CLIHigh risk1.1K

Postgres Professional utility for PostgreSQL backup and recovery with incremental backups and PITR

CLIHigh risk799

Russian proofreading skill covering typography, bureaucratic style and 17 signs of machine text, with a rule cited for every fix

SkillLow riskRussian stack231

An editor for AI-written Russian text: removes bureaucratese, cliches and 38 AI patterns while keeping facts intact

SkillLow riskRussian stack159

Diplodoc platform CLI for building Yandex Flavored Markdown documentation with navigation and multiple languages

CLILow risk123

A formal logic skill based on Chelpanov's textbook: argument review, text fixes, syllogisms and fallacy detection

SkillLow risk119

Prompt caching audit

LLM Cache Audit Skill

Skill for Codex and Claude Code that traces what breaks LLM prompt caching in code and config and proposes a verification step

SkillMedium risk113