Claude Code Skills Collection plugin
145 skill plugins for Claude Code and Codex: Cloudflare, React, Tailwind, Nuxt, APIs, security, testing, installed one by one
- 248 ★ on the repository
- Last commit
- MIT
Extended access
Why this level
- Skills put code and configuration into a project: settings files, dependencies, Cloudflare bindings
- Some skills describe commands for cloud accounts that change resources and spend
Install
- Works in
Manual install
/plugin marketplace add secondsky/claude-skills
/plugin install cloudflare-d1@claude-skillsReplace cloudflare-d1 with the plugin you need from the catalog. Install only what you need.
Access and checks
How we reviewExtended accessThe tool runs code or makes network calls and only reads external data.
- Skills put code and configuration into a project: settings files, dependencies, Cloudflare bindings
- Some skills describe commands for cloud accounts that change resources and spend
This is third-party code. Review the repository files before installing.
What it does
The repository publishes 145 plugins, each with its own skill set, as a catalog for Claude Code and Codex CLI. The largest groups are dev tooling (27, for example `turborepo`, `code-review`, `tech-debt`), frontend (26: Nuxt, Tailwind v4 with shadcn, TanStack Query, Three.js) and Cloudflare (21: D1, Workers AI, agents). There are also API (16), web (10), AI (7), security (6), mobile (5), testing, design, auth and a few plugins in other areas. Each plugin installs on its own: `/plugin marketplace add secondsky/claude-skills`, then `/plugin install cloudflare-d1@claude-skills`. Codex has its own manifests and marketplace, and other agents take skills through `skills.sh` with `npx skills add secondsky/claude-skills --skill cloudflare-d1`. The author argues that ready skills cut token use and setup errors for services.
Who it is for. Web developers on Cloudflare, Nuxt, React and Tailwind who want ready skills for their stack, installed one by one.
Good fit when
- A project runs on Cloudflare Workers and D1 and the agent needs proven recipes instead of guesses
- You need to set up Tailwind v4 with shadcn without mistakes
- A project needs a security review or XSS and CSRF protection from a ready guide
- You need a single skill out of a hundred: installing the whole set is not wanted
Not a fit when
- Your stack is outside the list: the set focuses on web, Cloudflare, AI integrations and adjacent areas
- You want a bulk install in one command: `--all` in `skills.sh` may miss plugins in nested folders
- You want Claude Code slash commands and subagents in Codex: they do not carry over
Example request
Install the cloudflare-d1 skill from claude-skills and add a D1 database to the Worker with a migration and a bindingLimitations
The set is large and written by one author, and depth varies by area. Version 3.9.0 dates from September 9, 2026, and the repository's last commit is from late September. For Cursor no manifest is generated, and opencode and Gemini CLI have no marketplace, so `skills.sh` or manual install is needed. The token and time savings in the README come from the author's own measurements and are not independently checked. Plugins put code and configuration into a project, so read the skill you need before applying it.
How to disable. For one plugin run `/plugin uninstall <name>@claude-skills`, and remove the whole catalog with `/plugin marketplace remove claude-skills`. Skills installed through `skills.sh` are removed with `npx skills remove <name>`.
FAQ
How do I install a single skill?
Add the catalog with `/plugin marketplace add secondsky/claude-skills`, then `/plugin install <name>@claude-skills`, for example `cloudflare-d1` or `tailwind-v4-shadcn`.
Does it work in Codex CLI?
Yes, the repository has Codex manifests: `codex plugin marketplace add secondsky/claude-skills`, then `/plugins`. Claude Code slash commands and subagents do not carry over.
What about Cursor or Gemini CLI?
Use `skills.sh`: `npx skills add secondsky/claude-skills --skill <name> --agent <agent>`. It detects the agent and puts the skill in the right folder.
Which areas are covered?
Developer tooling, frontend, Cloudflare, API, web, AI, security, mobile, testing, design, auth, architecture, data, CMS, databases, SEO and documentation.
Can I try a skill without installing?
Yes: `npx skills use secondsky/claude-skills@cloudflare-d1 | claude` pipes the skill prompt to the agent once.
Discussion
No questions or reviews yet.
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README in short
The project description starts with a harness support table: Claude Code, ZCode and Codex connect the catalog directly, while Cursor, opencode and Gemini CLI use `skills.sh`. Installation through the marketplace and `skills.sh`, a category table, a manual-versus-skills comparison and a document list follow.