Claude Skills (secondsky) plugin for Codex

CommunityPluginDeveloper Tools

Production-ready skills for Claude Code CLI - Cloudflare, React, Tailwind v4, and AI integrations

How to install Claude Skills (secondsky) in Codex

1. Add the repo as a Codex plugin marketplace:

codex plugin marketplace add secondsky/claude-skills

2. Install the plugin from it:

codex plugin add <plugin>@claude-skills

This repo ships a Codex marketplace file (.agents/plugins/marketplace.json). The first command adds it as a marketplace (Codex CLI reference); the second installs a plugin from it: replace <plugin> with one of the names listed under 'What it contains'. 'claude-skills' is the marketplace name from that file. Check the repo README too. Command format: Codex CLI reference.

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What it contains

Plugins in this marketplace (145)

  • aceternity-ui — 100+ animated React components (Aceternity UI) for Next.js with Tailwind. Use for hero sections, parallax, 3D effects, or encountering animation, shadcn CLI integration errors.
  • api-authentication — Secure API authentication with JWT, OAuth 2.0, API keys. Use for authentication systems, third-party integrations, service-to-service communication, or encountering token management, security headers, auth flow errors.
  • api-changelog-versioning — Creates comprehensive API changelogs documenting breaking changes, deprecations, and migration strategies for API consumers. Use when managing API versions, communicating breaking changes, or creating upgrade guides.
  • api-contract-testing — Verifies API contracts between services using consumer-driven contracts, schema validation, and tools like Pact. Use when testing microservices communication, preventing breaking changes, or validating OpenAPI specifications.
  • api-design-principles — Master REST and GraphQL API design principles to build intuitive, scalable, and maintainable APIs that delight developers. Use when designing new APIs, reviewing API specifications, or establishing API design standards.
  • api-error-handling — Implements standardized API error responses with proper status codes, logging, and user-friendly messages. Use when building production APIs, implementing error recovery patterns, or integrating error monitoring services.
  • api-filtering-sorting — Builds flexible API filtering and sorting systems with query parameter parsing, validation, and security. Use when implementing search endpoints, building data grids, or creating dynamic query APIs.
  • api-gateway-configuration — Configures API gateways for routing, authentication, rate limiting, and request transformation in microservice architectures. Use when setting up Kong, Nginx, AWS API Gateway, or Traefik for centralized API management.
  • api-pagination — Implements efficient API pagination using offset, cursor, and keyset strategies for large datasets. Use when building paginated endpoints, implementing infinite scroll, or optimizing database queries for collections.
  • api-rate-limiting — Implements API rate limiting using token bucket, sliding window, and Redis-based algorithms to protect against abuse. Use when securing public APIs, implementing tiered access, or preventing denial-of-service attacks.
  • api-reference-documentation — Creates professional API documentation using OpenAPI specifications with endpoints, authentication, and interactive examples. Use when documenting REST APIs, creating SDK references, or building developer portals.
  • api-response-optimization — Optimizes API performance through payload reduction, caching strategies, and compression techniques. Use when improving API response times, reducing bandwidth usage, or implementing efficient caching.
  • api-security-hardening — REST API security hardening with authentication, rate limiting, input validation, security headers. Use for production APIs, security audits, defense-in-depth, or encountering vulnerabilities, injection attacks, CORS issues.
  • api-testing — HTTP API testing for TypeScript (Supertest) and Python (httpx, pytest). Test REST APIs, GraphQL, request/response validation, authentication, and error handling.
  • api-versioning-strategy — Implements API versioning using URL paths, headers, or query parameters with backward compatibility and deprecation strategies. Use when managing multiple API versions, planning breaking changes, or designing migration paths.
  • app-store-deployment — Publishes mobile applications to iOS App Store and Google Play with code signing, versioning, and CI/CD automation. Use when preparing app releases, configuring signing certificates, or setting up automated deployment pipelines.
  • architecture-patterns — Implement proven backend architecture patterns including Clean Architecture, Hexagonal Architecture, and Domain-Driven Design. Use when architecting complex backend systems or refactoring existing applications for better maintainability.
  • auto-animate — AutoAnimate (@formkit/auto-animate) zero-config animations for React. Use for list transitions, accordions, toasts, or encountering SSR errors, animation libraries complexity.
  • base-ui-react — MUI Base UI unstyled React components with Floating UI. Use for accessible components, Radix UI migration, render props API, or encountering positioning, popup, v1.0 beta issues.
  • better-auth — Skill for integrating Better Auth - comprehensive TypeScript authentication framework for Cloudflare D1, Next.js, Nuxt, and 15+ frameworks. Use when adding auth, encountering D1 adapter errors, or implementing OAuth/2FA/RBAC features.
  • bun — Comprehensive Bun runtime toolkit covering runtime, package manager, bundler, testing, HTTP servers, WebSockets, databases, framework integrations (Hono, Next.js, Nuxt, TanStack Start, SvelteKit), deployment, and Node.js compatibility.
  • claude-code-bash-patterns — Claude Code Bash tool patterns with hooks, automation, git workflows. Use for PreToolUse hooks, command chaining, CLI orchestration, custom commands, or encountering bash permissions, command failures, security guards, hook configurations.
  • claude-hook-writer — Expert guidance for writing secure, reliable, and performant Claude Code hooks - validates design decisions, enforces best practices, and prevents common pitfalls. Use when creating, reviewing, or debugging Claude Code hooks.
  • cloudflare-agents — Build AI agents on Cloudflare Workers with MCP integration, tool use, and LLM providers.
  • cloudflare-browser-rendering — Cloudflare Browser Rendering with Puppeteer/Playwright. Use for screenshots, PDFs, web scraping, or encountering rendering errors, timeout issues, memory exceeded.
  • cloudflare-cron-triggers
  • cloudflare-d1
  • cloudflare-durable-objects
  • cloudflare-email-routing
  • cloudflare-hyperdrive
  • cloudflare-images
  • cloudflare-kv
  • cloudflare-manager
  • cloudflare-mcp-server
  • cloudflare-nextjs
  • cloudflare-queues
  • cloudflare-r2
  • cloudflare-sandbox
  • cloudflare-turnstile
  • cloudflare-vectorize
  • cloudflare-workers
  • cloudflare-workers-ai
  • cloudflare-workflows
  • cloudflare-zero-trust-access
  • code-review
  • csrf-protection
  • cybersecurity
  • defense-in-depth-validation
  • delegate-my-work
  • dependency-upgrade
  • design-review
  • design-system-creation
  • drizzle-orm-d1
  • feature-dev
  • firecrawl-scraper
  • frontend-design
  • gemini-cli
  • github-project-automation
  • graphql-implementation
  • health-check-endpoints
  • hono-routing
  • hugo
  • humanize-writing
  • idempotency-handling
  • image-optimization
  • inspira-ui
  • interaction-design
  • internationalization-i18n
  • jest-generator
  • kpi-dashboard-design
  • logging-best-practices
  • maz-ui
  • mcp-dynamic-orchestrator
  • mcp-management
  • microservices-patterns
  • ml-model-training
  • ml-pipeline-automation
  • mobile-app-debugging
  • mobile-app-testing
  • mobile-first-design
  • mobile-offline-support
  • model-deployment
  • motion
  • multi-ai-consultant
  • mutation-testing
  • nano-banana-prompts
  • nextjs
  • nuxt-content
  • nuxt-seo
  • nuxt-studio
  • nuxt-ui-v4
  • nuxt-v4
  • nuxt-v5
  • oauth-implementation
  • payment-gateway-integration
  • pinia-colada
  • pinia-v3
  • plan-interview
  • playwright
  • progressive-web-app
  • push-notification-setup
  • react-best-practices
  • react-composition-patterns
  • react-hook-form-zod
  • react-native-skills
  • recommendation-engine
  • recommendation-system
  • responsive-web-design
  • rest-api-design
  • root-cause-tracing
  • security-headers-configuration
  • seo-keyword-cluster-builder
  • seo-optimizer
  • sequential-thinking
  • session-management
  • shadcn-vue
  • systematic-debugging
  • tailwind-v4-shadcn
  • tanstack-ai
  • tanstack-query
  • tanstack-router
  • tanstack-start
  • tanstack-table
  • tech-debt
  • technical-specification
  • test-quality-analysis
  • thesys-generative-ui
  • threejs
  • turborepo
  • typescript-migration
  • ultracite
  • unknowns-discovery
  • vitest-testing
  • vulnerability-scanning
  • web-performance-audit
  • web-performance-optimization
  • websocket-implementation
  • woocommerce-backend-dev
  • woocommerce-code-review
  • woocommerce-copy-guidelines
  • woocommerce-dev-cycle
  • wordpress-plugin-core
  • xss-prevention
  • zod
  • zustand-state-management

About this listing

Claude Skills (secondsky) is a community plugin on GitHub by secondsky. Its README documents a Codex install and the repo ships a Codex plugin manifest. It passed the CodexStacks quality filter for repos found this way (at least 100 stars, pushed in the last 90 days, not a fork or a list). OpenAI hasn't reviewed it, but it passed our Codex install check on Oct 27, 2026 (an install and load check, not a code review). From its files we found 145 plugins. It's one of 441 listings in the Developer Tools category. It also appears in best Codex plugins for deployment and hosting.

Claude Skills (secondsky) FAQ

How do I install Claude Skills (secondsky) in Codex?

Add the repo as a Codex plugin marketplace with codex plugin marketplace add secondsky/claude-skills, then install it with codex plugin add <plugin>@claude-skills. Commands: the command format from the Codex CLI reference; check the repo README too.

Is Claude Skills (secondsky) an official Codex plugin?

No. Claude Skills (secondsky) is a community repo on GitHub by secondsky. It passed the CodexStacks quality filter, but OpenAI hasn't reviewed it, but it passed our Codex install check on Oct 27, 2026 (an install and load check, not a code review), so read the code before you install it.

What does Claude Skills (secondsky) include?

From its manifest and repo files, Claude Skills (secondsky) includes 145 plugins: aceternity-ui, api-authentication, api-changelog-versioning, api-contract-testing, api-design-principles, api-error-handling….

Details

Type
Plugin
Category
Developer Tools
Source
Community
Author
secondsky
License
MIT
GitHub stars
240 (at last sync)
Last push
2026-10-26
Manifest
.agents/plugins/marketplace.json
GitHub topics
claude-code, claude-code-commands, claude-code-hooks, claude-code-plugin, claude-code-plugins, claude-code-skill, claude-code-skills
Source
https://github.com/secondsky/claude-skills
Listed via
GitHub search: README documents a Codex install
Install check by CodexStacks
Passed on Oct 27, 2026 with Codex CLI 0.163.0: Codex loaded its skills. proof · how we check

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Listed on CodexStacks

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<a href="https://codexstacks.com/p/claude-skills/"><img src="https://codexstacks.com/badge.svg" alt="Listed on CodexStacks" width="172" height="28"></a>

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<a href="https://codexstacks.com/p/claude-skills/" style="display:block;max-width:380px;box-sizing:border-box;padding:14px 16px;border:1px solid #3a2c26;border-radius:12px;background:#0d0b0a;color:#f3ece6;font:14px/1.45 -apple-system,Segoe UI,Roboto,Helvetica,Arial,sans-serif;text-decoration:none"><span style="display:block;font-size:16px;font-weight:700;color:#f3ece6">Claude Skills (secondsky)</span><span style="display:block;margin:2px 0 8px;font-size:12px;color:#b5a9a1">Community Codex plugin · 145 plugins</span><span style="display:block;margin:0 0 10px;color:#ddd3cc">Production-ready skills for Claude Code CLI - Cloudflare, React, Tailwind v4, and AI integrations</span><span style="font-size:12px;font-weight:600;color:#ffb347">View on CodexStacks →</span></a>

Markdown summary

**[Claude Skills (secondsky) on CodexStacks](https://codexstacks.com/p/claude-skills/)**: Community Codex plugin with 145 plugins.

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