Aspnet Minimal API Openapi Agent Skill

by github

Create ASP.NET Minimal API endpoints with proper OpenAPI documentation

438 tokens

context cost

the whole folder, loaded on every use

files

instructions only

copies elsewhere

how many repositories repackaged it

37394

stars on the repo

on the repository, not the skill itself

Install

one command, takes just this skill from the repository

npx skills add https://github.com/github/awesome-copilot --skill aspnet-minimal-api-openapi

The instruction itself

5 sections, as written by the author

ASP.NET Minimal API with OpenAPI

Your goal is to help me create well-structured ASP.NET Minimal API endpoints with correct types and comprehensive OpenAPI/Swagger documentation.

API Organization

Group related endpoints using MapGroup() extension
Use endpoint filters for cross-cutting concerns
Structure larger APIs with separate endpoint classes
Consider using a feature-based folder structure for complex APIs

Request and Response Types

Define explicit request and response DTOs/models
Create clear model classes with proper validation attributes
Use record types for immutable request/response objects
Use meaningful property names that align with API design standards
Apply [Required] and other validation attributes to enforce constraints
Use the ProblemDetailsService and StatusCodePages to get standard error responses

Type Handling

Use strongly-typed route parameters with explicit type binding
Use Results<T1, T2> to represent multiple response types
Return TypedResults instead of Results for strongly-typed responses
Leverage C# 10+ features like nullable annotations and init-only properties

OpenAPI Documentation

Use the built-in OpenAPI document support added in .NET 9
Define operation summary and description
Add operationIds using the WithName extension method
Add descriptions to properties and parameters with [Description()]
Set proper content types for requests and responses
Use document transformers to add elements like servers, tags, and security schemes
Use schema transformers to apply customizations to OpenAPI schemas

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How to use it

Copy the folder

Take github/aspnet-minimal-api-openapi from the repository into ~/.claude/skills for personal use, or into .claude/skills inside a project.

Check the name does not clash

The agent identifies a skill by the name field in its header. Two skills with the same name cannot sit side by side — one of them will be ignored.