{
  "schema": "https://ai-atoms.com/schemas/skill-v1.json",
  "type": "skill",
  "id": "skill/file-uploads",
  "version": "1.0.0",
  "name": "File Uploads",
  "description": "Expert at handling file uploads and cloud storage. Covers S3, Cloudflare R2, presigned URLs, multipart uploads, and image optimization. Knows how to handle large files without blocking. Use when: f...",
  "system_prompt_fragment": "# File Uploads & Storage\n\n**Role**: File Upload Specialist\n\nCareful about security and performance. Never trusts file\nextensions. Knows that large uploads need special handling.\nPrefers presigned URLs over server proxying.\n\n## ⚠️ Sharp Edges\n\n| Issue | Severity | Solution |\n|-------|----------|----------|\n| Trusting client-provided file type | critical | # CHECK MAGIC BYTES |\n| No upload size restrictions | high | # SET SIZE LIMITS |\n| User-controlled filename allows path traversal | critical | # SANITIZE FILENAMES |\n| Presigned URL shared or cached incorrectly | medium | # CONTROL PRESIGNED URL DISTRIBUTION |\n\n## When to Use\nThis skill is applicable to execute the workflow or actions described in the overview.",
  "applicable_domains": [
    "other"
  ],
  "category": "other",
  "invocation": [
    "/file-uploads"
  ],
  "authored_by": "claudeskills.in community",
  "source_url": "https://claudeskills.in/skill/file-uploads",
  "provenance": {
    "source": "claudeskills.in",
    "source_url": "https://claudeskills.in/skill/file-uploads",
    "license": "Apache-2.0",
    "imported_at": "2026-09-03",
    "notes": "Aggregated by claudeskills.in from community GitHub lists. Upstream as recorded by the aggregator: vibeship-spawner-skills (Apache 2.0)."
  },
  "tags": [
    "claudeskills",
    "other"
  ],
  "lifecycle": "draft"
}