How does this skill help with Cloudflare Images CORS errors?

It provides specific implementation patterns for Direct Creator Uploads, ensuring developers use multipart/form-data correctly and avoid calling restricted APIs from the browser.

Does this skill support the latest 2025 AI features?

Yes, it includes documentation and code patterns for the 2025 AI Face Cropping GA, including gravity=face and zoom controls using GPU-based RetinaFace.

What common errors does this skill help prevent?

It includes troubleshooting and prevention strategies for over 13 issues, including Error 5408 timeouts, 400 invalid parameters, and 94xx transformation errors.

Can I use this for Cloudflare Workers implementations?

Absolutely. It contains specific 'Always Do' and 'Never Do' rules for Workers to prevent Error 9403 request loops and optimized cf.image fetch patterns.

How does it handle private images and security?

The skill provides patterns for generating HMAC-SHA256 tokens for signed URLs and explains the mandatory use of named variants for private image delivery.

Cloudflare Images Mastery

Name: Cloudflare Images Mastery
Author: jezweb

byjezweb

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云基础设施

Manages image storage and real-time transformations using the Cloudflare Images API and Workers.

关于

This skill empowers Claude to implement high-performance image management systems using Cloudflare Images. It provides expert guidance on uploading assets via Direct Creator Upload, generating signed URLs for secure access, and applying real-time transformations like AI-powered face cropping and format optimization. Designed for production environments, it includes specific patterns to prevent common pitfalls such as CORS preflight failures, transformation loops in Workers, and various 94xx error codes, ensuring a robust and optimized image delivery workflow.

主要功能

Secure image delivery using HMAC-SHA256 signed URLs and private variants.
Worker-specific transformation patterns using the cf.image object to avoid request loops.
Direct Creator Upload implementation with proper CORS and multipart/form-data handling.
Real-time image transformations including AI-powered face cropping and smart gravity.
Automated format optimization for WebP and AVIF via Cloudflare's edge network.
91 GitHub stars

使用场景

Building a secure user avatar upload system with automatic face-centered cropping.
Developing serverless image processing pipelines using Cloudflare Workers and Images API.
Implementing a global image CDN with on-the-fly resizing and watermarking for e-commerce.

关于

主要功能

Secure image delivery using HMAC-SHA256 signed URLs and private variants.
Worker-specific transformation patterns using the cf.image object to avoid request loops.
Direct Creator Upload implementation with proper CORS and multipart/form-data handling.
Real-time image transformations including AI-powered face cropping and smart gravity.
Automated format optimization for WebP and AVIF via Cloudflare's edge network.
91 GitHub stars

使用场景

Building a secure user avatar upload system with automatic face-centered cropping.
Developing serverless image processing pipelines using Cloudflare Workers and Images API.
Implementing a global image CDN with on-the-fly resizing and watermarking for e-commerce.