Minimal API File Upload

by dotnet

Minimal API File Upload is a DevOps skill for Claude Code, published by dotnet in skills.

5.2K stars384 forkson dotnet/skillsAdded 2026/08/16Repository updated 2026/08/15

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agent-skills

Install in seconds

Install Minimal API File Upload

Copy Minimal API File Upload into your Claude Code skills folder. Run the command in your terminal, or review the source on GitHub before installing.

terminal

npx degit https://github.com/dotnet/skills/tree/main/plugins/dotnet-aspnetcore/skills/minimal-api-file-upload ~/.claude/skills/minimal-api-file-upload

Requires Node.js. Downloads this skill only — not the rest of the repository — into your Claude Code skills folder.

Without Node.js

git clone https://github.com/dotnet/skills.git

Clones the whole repository, then copy the skill’s own directory into your skills folder yourself.

In this catalog

Source file: plugins/dotnet-aspnetcore/skills/minimal-api-file-upload/SKILL.md in dotnet/skills
Installs to: ~/.claude/skills/minimal-api-file-upload
Collection: One of 25 skills cataloged from this repository
Category: DevOps — 798 skills

What Minimal API File Upload does

Minimal API File Upload implements file upload endpoints in ASP.NET Core minimal APIs using IFormFile and IFormFileCollection, covering size limits, content validation, and anti-forgery handling. Use it when building .NET 8+ APIs that accept multipart/form-data uploads.

Minimal API File Upload is cataloged under DevOps on DirSkills. Minimal API File Upload comes from a repository tagged agent-skills.

Documentation

README

Excerpt

Implementing File Uploads in ASP.NET Core Minimal APIs

When to Use

File upload endpoints in ASP.NET Core minimal APIs (.NET 8+)
Handling IFormFile or IFormFileCollection parameters
When you need size limits, content type validation, or streaming large files

When Not to Use

MVC controllers → [FromForm] IFormFile works directly with attributes
Simple JSON body → no file upload needed
Very large files (> 1GB) → use streaming with MultipartReader instead

Inputs

Input	Required	Description
File parameter(s)	Yes	IFormFile or IFormFileCollection
Size limits	Yes	Max file/request size
Allowed types	No	Content type or extension restrictions

Workflow

This is the opening of the README. Read the full README on GitHub.

Frequently asked about Minimal API File Upload

What else does dotnet publish alongside Minimal API File Upload?
Minimal API File Upload is one of 25 skills that DirSkills catalogs from dotnet/skills, the repository it ships in. Its siblings there include .NET P/Invoke, ASP.NET Core Web API and Agentic Workflows. Each one is a separate skill with its own page in this directory, installs the same way Minimal API File Upload does, and is maintained by dotnet in that same repository. The rest of the collection is listed on the dotnet/skills page.
How does Minimal API File Upload compare to other DevOps skills?
Minimal API File Upload ranks #152 by stars among the 798 DevOps skills in this catalog. The most-starred ones next to it are Backend Patterns, API Connector Builder and Migration. DirSkills ranks by the star count of the repository each skill ships in, so that order reflects how popular those repositories are rather than any review of Minimal API File Upload against them. Open each page to compare what they document and how they install.