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claude-skills

by jezweb · jezweb/claude-skills

Full-stack Claude Code skills for Cloudflare, React, Tailwind v4, and AI integrations — opinionated and current.

Jezweb's claude-skills is a pragmatic set of full-stack skills focused on Cloudflare (Workers, D1, R2, KV), modern React, Tailwind v4 upgrades, and common AI integrations (OpenAI, Anthropic, embeddings). Good fit for solo devs and small teams shipping on the Cloudflare stack.

▶ Watch demo 📦 Install 💡 Use Cases

Why use it

Key features

Live Demo

What it looks like in practice

claude-skill-3.replay ▶ ready
0/0

Install

Author repository · Claude Skills documentation

Use Cases

Real-world ways to use claude-skills

How to ship a Cloudflare Worker API with D1 backing

👤 Full-stack devs wanting a Worker+D1 API without boilerplate ⏱ ~45 min intermediate

When to use: You want a small JSON API with auth and persistence, deployed to Cloudflare.

Flow
  1. Scaffold
    Use the Cloudflare skill. New Worker with D1 binding, Hono router, routes: GET /todos, POST /todos, DELETE /todos/:id.✓ Copied
    → Worker code + wrangler.toml + schema.sql
  2. Auth
    Add bearer token auth using a secret in env.✓ Copied
    → Middleware + wrangler secret put instructions
  3. Deploy
    wrangler d1 execute + wrangler deploy steps.✓ Copied
    → Live URL after deploy

Outcome: A deployed Worker API with D1 persistence.

Pitfalls
  • D1 migrations drift between envs — Use wrangler d1 migrations create + apply; don't ad-hoc exec

Upgrade a Tailwind v3 project to v4

👤 Frontend devs on v3 wanting to move to v4's new engine ⏱ ~60 min intermediate

When to use: You're on tailwind@3 and want to adopt v4's Oxide engine + CSS-first config.

Flow
  1. Audit current config
    Audit tailwind.config.{js,ts} for anything that doesn't port 1:1 to v4.✓ Copied
    → Per-config-key migration notes
  2. Generate v4 config
    Produce the v4 equivalent: @theme in a CSS entry + package updates.✓ Copied
    → CSS entry + package.json diff
  3. Fix breaking utilities
    Grep the codebase for removed/renamed utility classes and produce a replace map.✓ Copied
    → Codemod suggestions

Outcome: A v4 migration PR ready for review.

Pitfalls
  • PostCSS pipeline conflicts with v4's native engine — Remove PostCSS plugins that v4's engine replaces

Build a lightweight RAG endpoint on Workers

👤 Devs adding AI features to a Cloudflare app ⏱ ~90 min advanced

When to use: You want RAG without standing up a vector DB service.

Flow
  1. Set up Vectorize
    Provision a Vectorize index for embeddings. Use OpenAI text-embedding-3-small.✓ Copied
    → wrangler vectorize create + binding
  2. Ingest script
    Write a Worker route /ingest that chunks + embeds + upserts.✓ Copied
    → Worker code with chunking heuristic
  3. Query route
    Write /query that embeds the question, retrieves top-k, and calls Claude/OpenAI with the context.✓ Copied
    → End-to-end route

Outcome: A small but real RAG endpoint deployed on Cloudflare.

Pitfalls
  • Chunks too large lose recall; too small hurt context — Start 512 tokens, overlap 64; tune based on your corpus

Combinations

Pair with other MCPs for X10 leverage

claude-skill-3 + claude-code-owasp-skill

Security-review Worker auth and RAG endpoints

After scaffolding the Worker with auth, run OWASP review on the auth middleware.✓ Copied

Tools

What this MCP exposes

ToolInputsWhen to callCost
Cloudflare Worker scaffolding - New worker projects Claude tokens
D1 + R2 + KV patterns - Persistence wiring Claude tokens
React RSC patterns - RSC-era apps Claude tokens
Tailwind v4 migration - v3→v4 upgrades Claude tokens
AI integrations - OpenAI/Anthropic/embeddings Claude tokens

Cost & Limits

What this costs to run

API quota
None at skill level
Tokens per call
5-20k per task
Monetary
Free skill; Cloudflare + OpenAI/Anthropic have their own pricing
Tip
Cloudflare free tier covers small Worker APIs; watch Vectorize cost at scale.

Security

Permissions, secrets, blast radius

Credential storage: No credentials at skill level. Wrangler handles CF secrets.
Data egress: Deploys go to Cloudflare; any AI calls go to the configured provider

Troubleshooting

Common errors and fixes

wrangler deploy fails on route

Route patterns require the zone to be in your CF account; check routes vs. workers.dev fallback

Verify: wrangler deployments list
D1 migrations apply locally but not remote

Run wrangler d1 migrations apply <DB> --remote explicitly

Alternatives

claude-skills vs others

AlternativeWhen to use it insteadTradeoff
Vercel + Next.js templateYou prefer Vercel's DXDifferent pricing and platform capabilities

More

Resources

📖 Read the official README on GitHub

🐙 Browse open issues

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