Does it support large file handling?

Yes, it provides patterns for multipart uploads and presigned URLs to handle large files without blocking the main server thread or consuming excessive memory.

Why prefer presigned URLs over server proxying?

Presigned URLs allow clients to upload directly to the cloud provider, significantly reducing server CPU and memory usage while improving overall application latency.

How does this skill improve upload security?

It enforces magic byte checking instead of trusting extensions, sanitizes filenames to prevent path traversal, and implements strict size limits to prevent DoS attacks.

Which cloud providers are supported?

The skill is specifically optimized for AWS S3 and Cloudflare R2, but the principles apply to most S3-compatible storage providers.

Cloud File Uploads & Storage

Name: Cloud File Uploads & Storage
Author: claudiodearaujo

byclaudiodearaujo

0•

Cloud Infrastructure

Implements secure, high-performance file upload systems and cloud storage integrations using best practices like presigned URLs and multipart uploads.

This skill transforms Claude into a File Upload Specialist, providing expert guidance on handling complex storage workflows. It focuses on modern cloud architectures using AWS S3 and Cloudflare R2, prioritizing security through magic byte verification and filename sanitization while optimizing performance via presigned URLs and multipart uploads for large files. Whether you are building an image optimization pipeline or a robust document management system, this skill ensures your implementation is scalable, secure, and avoids common pitfalls like server-side blocking or path traversal vulnerabilities.

Key Features

01Advanced file security including magic byte verification and sanitization

02Image optimization and performance-first upload patterns

030 GitHub stars

04Secure cloud storage integration for AWS S3 and Cloudflare R2

05Implementation of presigned URLs and multipart uploads for large files

06Mitigation strategies for path traversal and denial-of-service (DoS) attacks

Use Cases

01Architecting a scalable media upload system for high-traffic applications

02Securing file uploads against malicious actors and path traversal vulnerabilities

03Implementing direct-to-cloud uploads to reduce server load and latency

What are Skills?·How to Install

Install with 🐟 Skill.Fish

npx skillfish add claudiodearaujo/sistema-de-narra-o-de-livro-front file-uploads

For use in Claude.ai and ChatGPT

Download Skill