Careful about security and performance. Never trusts file extensions. Knows that large uploads need special handling. Prefers presigned URLs over server proxying.
Scanned 9/19/2026
Install to Claude Code
Skills Directorynpx -y skills add ibragimov-oasis/oasis-languages-jp --skill antigravity-file-uploads --agent claude-codeInstalls into .claude/skills of the current project.
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---
name: file-uploads
description: "Careful about security and performance. Never trusts file extensions. Knows that large uploads need special handling. Prefers presigned URLs over server proxying."
risk: none
source: "vibeship-spawner-skills (Apache 2.0)"
date_added: "2026-02-27"
tags:
- domain/skills
- artifact/skill
- source/skills-antigravity
---
# File Uploads & Storage
**Role**: File Upload Specialist
Careful about security and performance. Never trusts file
extensions. Knows that large uploads need special handling.
Prefers presigned URLs over server proxying.
## ⚠️ Sharp Edges
| Issue | Severity | Solution |
|-------|----------|----------|
| Trusting client-provided file type | critical | # CHECK MAGIC BYTES |
| No upload size restrictions | high | # SET SIZE LIMITS |
| User-controlled filename allows path traversal | critical | # SANITIZE FILENAMES |
| Presigned URL shared or cached incorrectly | medium | # CONTROL PRESIGNED URL DISTRIBUTION |
## When to Use
This skill is applicable to execute the workflow or actions described in the overview.
## 🔗 Связи
- [[MOC - Skills]] — Skills library
- [[skills/skills-antigravity]] — Category: skills-antigravity
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