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newtonsoft-json-migration

Migrates .NET projects from Newtonsoft.Json to System.Text.Json, identifying potential issues along the way.

19|2|Updated May 13, 2026
Search Tags:#dotnet#code transformation#system.text.json#json migration#newtonsoft.json
One-click install
npx skills add https://github.com/microsoft/upgrade-agent-plugins --skill newtonsoft-json-migration
Or copy as Structured Prompt for Agent▼
Please help me install this Agent Skill.
Skill: newtonsoft-json-migration
Source: https://github.com/microsoft/upgrade-agent-plugins/tree/main/plugins/upgrade-agent/extenders/upgrade-dotnet/upgrade/skills/scenarios/newtonsoft-json-migration
Command: npx skills add https://github.com/microsoft/upgrade-agent-plugins --skill newtonsoft-json-migration

SYSTEM DOCUMENTATION & REQUIREMENTS

💡 This Skill includes scripts (resource) components.

What problem does it solve?

This Skill addresses the need to migrate .NET projects from using Newtonsoft.Json to System.Text.Json, simplifying the transition and ensuring compatibility.

Core Features & Use Cases

  • Automated Migration: Scan and migrate Newtonsoft.Json usage to System.Text.Json with minimal manual intervention.
  • Risk Assessment: Identifies potential issues and risks during the migration process.
  • Use Case: For a .NET project using Newtonsoft.Json, this Skill can automatically update the codebase to use System.Text.Json, reducing the complexity of the migration.

Quick Start

Run the newtonsoft-json-migration skill to start the migration process for your .NET project.

Frequently Asked Questions about newtonsoft-json-migration

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

FAQPage Schema
How do I migrate a .NET project from Newtonsoft.Json to System.Text.Json?▼

Automated migration scans your .NET project to replace Newtonsoft.Json usage with System.Text.Json, focusing on API compatibility and code transformation to simplify the transition.

Does migrating from Newtonsoft.Json to System.Text.Json break API compatibility?▼

Migrating from Newtonsoft.Json to System.Text.Json can risk API compatibility, but the migration process includes risk assessment to identify and handle potential issues during code transformation.

Can I automatically update my codebase to use System.Text.Json instead of Newtonsoft.Json?▼

Yes, you can automatically update your codebase by running a migration skill that applies code transformations to replace Newtonsoft.Json with System.Text.Json, requiring minimal manual intervention.

What is the best way to handle JSON library migration in .NET applications?▼

The best way to handle JSON library migration in .NET applications is using an automated skill that performs code transformation from Newtonsoft.Json to System.Text.Json while identifying potential compatibility issues.

What are the limitations of migrating .NET projects from Newtonsoft.Json to System.Text.Json?▼

A limitation of migrating from Newtonsoft.Json to System.Text.Json involves potential API compatibility risks, which the migration skill identifies and handles to ensure a smooth code transformation.

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