SkillsSKILLS
Productivity

file-uploads▌

sickn33/antigravity-awesome-skills · updated Apr 8, 2026

$npx skills add https://github.com/sickn33/antigravity-awesome-skills --skill file-uploads
summary

Expert file upload handling with S3, Cloudflare R2, presigned URLs, and multipart support.

  • ›Handles large files efficiently using presigned URLs and multipart uploads without blocking
  • ›Supports multiple cloud storage backends: AWS S3 and Cloudflare R2
  • ›Includes image optimization capabilities for processed uploads
  • ›Emphasizes security best practices: magic byte validation, filename sanitization, upload size limits, and controlled presigned URL distribution
skill.md

file-uploads

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