skills.rest
microsoft
microsoftOFFICIAL
Explore all skills by this author →
Website𝕏@OpenAtMicrosoftGitHub

migrating-mvc-configuration

Migrate ASP.NET MVC Web.config settings to ASP.NET Core appsettings.json.

19|2|Updated May 13, 2026
Search Tags:#asp.net core#asp.net#appsettings.json#configuration migration#migrating
One-click install
npx skills add https://github.com/microsoft/upgrade-agent-plugins --skill migrating-mvc-configuration
Or copy as Structured Prompt for Agent▼
Please help me install this Agent Skill.
Skill: migrating-mvc-configuration
Source: https://github.com/microsoft/upgrade-agent-plugins/tree/main/plugins/upgrade-agent/extenders/upgrade-dotnet/upgrade/skills/lazy/web/mvc/migrating-mvc-configuration
Command: npx skills add https://github.com/microsoft/upgrade-agent-plugins --skill migrating-mvc-configuration

SYSTEM DOCUMENTATION & REQUIREMENTS

💡 This Skill includes scripts (resource) components.

What problem does it solve?

This Skill automates the migration of ASP.NET MVC Web.config configuration files to the corresponding appsettings.json and IConfiguration/IOptions patterns in ASP.NET Core.

Core Features & Use Cases

  • Configuration File Migration: Converts XML Web.config files to JSON-based appsettings.json.
  • IConfiguration Usage: Ensures proper use of IConfiguration for accessing application settings.
  • Environment Support: Handles different environments like Development, Staging, and Production.
  • Secrets Management: Securely migrates secrets from config files to environment variables or secrets managers.
  • Use Case: Streamline the process of upgrading ASP.NET MVC applications to ASP.NET Core, eliminating manual configuration migration steps.

Quick Start

Run the 'migrating-mvc-configuration' skill to start the Web.config to appsettings.json migration for your project.

Frequently Asked Questions about migrating-mvc-configuration

High-intent search queries and answers about installing and using this skill.

FAQPage Schema
How do I migrate ASP.NET MVC Web.config to ASP.NET Core appsettings.json?▼

Migrating Web.config to appsettings.json is automated by converting XML configuration to JSON-based formats, utilizing Microsoft.Extensions.Configuration for accessing and modifying application settings in ASP.NET Core.

How does configuration migration handle environment-specific settings in ASP.NET Core?▼

Configuration migration handles environment-specific settings by generating separate appsettings files for Development, Staging, and Production, ensuring proper use of IConfiguration for environment-dependent application settings.

Can I migrate custom config sections from Web.config to ASP.NET Core?▼

Yes, migrating custom config sections converts XML-based custom configurations to JSON structures, applying the IOptions pattern to properly map and access custom settings via Microsoft.Extensions.Configuration.

What is the best way to migrate connection strings from Web.config to ASP.NET Core?▼

Migrating connection strings from Web.config extracts database connection entries and transfers them to appsettings.json, ensuring proper access through IConfiguration and Microsoft.Extensions.Configuration patterns.

How do I handle secrets management when migrating to ASP.NET Core appsettings.json?▼

Secrets management during migration securely transfers sensitive configuration values from Web.config to environment variables or secrets managers, preventing sensitive data from being stored in plain appsettings.json files.

Does this configuration migration work with ASP.NET Core projects upgrading from MVC?▼

Configuration migration works with ASP.NET MVC to ASP.NET Core upgrade projects, automating the conversion of existing Web.config files to appsettings.json and eliminating manual configuration migration steps.

Related Skills

Explore More Software Engineering Skills→
bingeli1379bingeli1379
2

legacy-aspnet

Guide maintenance and incremental modernization of legacy ASP.NET applications.

Community
Advanced
NotMyselfNotMyself
14

aspnet-configuration

Guide ASP.NET Core configuration using appsettings.json, environment overrides, and the options pattern.

Community
Basic
microsoftmicrosoft
19

migrating-mvc-routing

Convert ASP.NET MVC RouteCollection routing to ASP.NET Core endpoint routing.

Official
Intermediate
rodydavisrodydavis
58

using-sqlite-as-a-key-value-store

Store and retrieve key-value pairs in SQLite with Drift schema definitions.

Community
Basic