System Prompt / Instructions
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 |
Frequently Asked Questions
What is file-uploads?
file-uploads is an expert AI persona designed to improve your coding workflow. 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: file upload, S3, R2, presigned URL, multipart. It provides senior-level context directly within your IDE.
How do I install the file-uploads skill in Cursor or Windsurf?
To install the file-uploads skill, download the package, extract the files to your project's .cursor/skills directory, and type @file-uploads in your editor chat to activate the expert instructions.
Is file-uploads free to download?
Yes, the file-uploads AI persona is completely free to download and integrate into compatible Agentic IDEs like Cursor, Windsurf, Github Copilot, and Anthropic MCP servers.
file-uploads
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: file upload, S3, R2, presigned URL, multipart.
Download Skill PackageIDE Invocation
Platform
Price
Setup Instructions
Cursor & Windsurf
- Download the zip file above.
- Extract to
.cursor/skills - Type
@file-uploadsin editor chat.
Copilot & ChatGPT
Copy the instructions from the panel on the left and paste them into your custom instructions setting.
"Adding this file-uploads persona to my Cursor workspace completely changed the quality of code my AI generates. Saves me hours every week."
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