React Upgrade Assistant
Analyzes React project dependencies for compatibility issues, summarizes release notes from new versions, and generates phased migration plans. React developers and frontend teams use it to evaluate upgrade paths, identify breaking changes, and execute version transitions without disrupting production apps.
Overview
The React Upgrade Assistant is an MCP server designed for React projects. It scans dependencies to detect incompatibilities, condenses release notes into actionable summaries, and outputs step-by-step migration plans for upgrading React versions.
Key Capabilities
- dependency analysis: Parses package.json and lockfiles to list outdated packages, flag potential conflicts with target React versions, and estimate upgrade effort.
- release-note summaries: Fetches and distills official React release notes, highlighting API changes, deprecations, and new features relevant to the project's dependency tree.
- phased migration plans: Produces structured plans dividing upgrades into stages, such as codemods application, testing phases, and rollback strategies, tailored to the analyzed project.
Use Cases
- Pre-upgrade assessment: Run dependency analysis on a React 17 app before moving to React 18; it identifies hooks changes and suggests polyfills.
- Release review: Use release-note summaries for React 19 betas to quickly grasp concurrent rendering updates without reading full changelogs.
- Enterprise migration: Generate phased migration plans for a monorepo, sequencing upgrades across 50+ packages with CI/CD integration steps.
- Team handoff: Share analysis outputs to brief developers on risks when handing off maintenance of legacy React codebases.
Who This Is For
Frontend developers working on React applications, technical leads planning version upgrades, and DevOps teams automating migration pipelines. It suits solo maintainers auditing personal projects as well as agencies handling client apps with varied React versions.