概要
This skill equips Claude with specialized knowledge for architecting and implementing robust file upload systems. It focuses on modern cloud storage best practices, such as leveraging presigned URLs to avoid server bottlenecks, handling large multipart uploads, and ensuring security through magic byte verification and filename sanitization. Whether you are setting up an AWS S3 bucket or optimizing image uploads for Cloudflare R2, this skill provides the implementation patterns needed for scalable, production-grade storage solutions while avoiding common pitfalls like path traversal and unvalidated file types.
