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Human-qualified sourceWeb Developmentv1.0.0

react19-upgrade Agent Plugin

Enterprise React 19 migration toolkit with specialized agents and skills for upgrading React 18 codebases to React 19. Includes auditor, dependency surgeon, source code migrator, and test guardian. Handles removal of deprecated APIs including ReactDOM.render, forwardRef, defaultProps, legacy context, string refs, and more.

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0 repository stars MIT Updated Aug 6, 2026
Reviewed seed

React

with evidence.

Human-qualified at 100 format and 62 quality; this page adds normalized inventory, provenance, and selection guidance.

Inspect, compare, verify

Installation

Install the React 19 Upgrade plugin

Install the pinned plugins/react19-upgrade package from Awesome Copilot with a compatible Agent Plugins client, then select the component that matches the task.

Terminal · Git sparse checkout
git clone --filter=blob:none --sparse https://github.com/github/awesome-copilot.git
cd awesome-copilot
git sparse-checkout set plugins/react19-upgrade
Confirm the client supports Agent Plugins packages
Review component-specific tools, credentials, and target-environment requirements

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Latest official standard could not be confirmed

Official latest version: 1.0.0 (Working Draft). The value is read from the official specification and cached for one day.

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Source package available for inspection

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Static source inspection

Capabilities

What can you do with react19-upgrade?

Use React 19 Upgrade for staged React 18 to React 19 migration.

The pinned manifest declares 3 skills, 5 agent resources, and 0 MCP configurations. Its README describes staged React 18 to React 19 migration.

  • Review the pinned react19-upgrade manifest and source overview
  • Choose the declared skill that best matches the task
  • Confirm prerequisites for staged React 18 to React 19 migration
  • Apply the documented workflow without granting unnecessary external access
  • Validate generated output and repository changes with project checks

Declared package inventory

Review the pinned 8 declared components before choosing the plugin.

Source-grounded workflow

Apply the documented workflow for staged React 18 to React 19 migration, then verify outputs in the target environment.

Practical workflow

A reviewed React 19 Upgrade workflow

Pass 01 / Inspect

Confirm task and prerequisites

Review the pinned source, declared components, and requirements for staged React 18 to React 19 migration.

Pass 02 / Apply

Run and verify the workflow

Use the narrowest matching component, review its output, and validate resulting changes with project checks.

Package contents

What is included in react19-upgrade?

react19-upgrade declares 3 Skills, 0 MCP configurations, and 5 additional resources. The included-file links below point to the reviewed source repository.

Agent Skills

3

react19-concurrent-patterns, react19-source-patterns, react19-test-patterns

MCP servers

0

No runtime service

Package format

Agent Plugins

Official latest 1.0.0

plugin.json

Agent Plugins manifest from the fixed reviewed source snapshot.

README.md

Plugin overview and usage notes from the fixed reviewed source snapshot.

Synced source content

Repository README

View original README

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Source
https://github.com/github/awesome-copilot#readme

This repository does not currently provide a README snapshot. The plugin instructions below remain available.

Source documentation

React 19 Upgrade source documentation

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Enterprise React 19 migration toolkit with specialized agents and skills for upgrading React 18 codebases to React 19. Includes auditor, dependency surgeon, source code migrator, and test guardian. Handles removal of deprecated APIs including ReactDOM.render, forwardRef, defaultProps, legacy context, string refs, and more.

Included capabilities

Skills

  • react19-concurrent-patterns
  • react19-source-patterns
  • react19-test-patterns

Agent resources

  • react19-auditor
  • react19-commander
  • react19-dep-surgeon
  • react19-migrator
  • react19-test-guardian

Practical use

  • Review the pinned react19-upgrade manifest and source overview
  • Choose the declared skill that best matches the task
  • Confirm prerequisites for staged React 18 to React 19 migration
  • Apply the documented workflow without granting unnecessary external access
  • Validate generated output and repository changes with project checks

Installation

Install the pinned plugins/react19-upgrade directory from Awesome Copilot using a compatible Agent Plugins client. Review client-specific behavior and any external-service requirements before use.

Reviewed source

  • Repository: github/awesome-copilot
  • Directory: plugins/react19-upgrade
  • Commit: ab7544d03d4c49fdd07f5958e1888ad39c4118e2
  • Manifest license: MIT

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