How does this skill help with performance?

It identifies 'render loops' caused by defining nodeTypes inside components and flags missing memoization on custom nodes that cause lag.

What version of React Flow does this skill support?

The skill is optimized for modern React Flow implementations, specifically targeting the @xyflow/react package and its current best practices.

Can it help fix invisible or broken flows?

Yes, it checks for common mistakes like missing container height, forgotten CSS imports, and incorrect provider nesting.

Does it support TypeScript-specific checks?

Absolutely. It provides guidance on using explicit generic types for nodes and edges to ensure full type safety across your graph.

React Flow Code Review

Name: React Flow Code Review
Author: existential-birds

byexistential-birds

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Design Tools

Reviews React Flow implementations to identify anti-patterns, optimize performance, and ensure best practices for node-based interfaces.

This skill empowers Claude to perform deep technical audits of React Flow (xyflow) codebases, focusing on performance bottlenecks and common architectural errors. It specifically detects issues like unnecessary re-renders caused by missing memoization, incorrect provider placement, and inefficient state management. Whether you are building a complex graph editor or a simple workflow visualizer, this skill ensures your React Flow implementation remains fluid, type-safe, and maintainable by applying industry-standard optimization patterns and verification workflows.

Key Features

01Identifies missing memoization hooks like memo, useCallback, and useMemo

02Validates ReactFlowProvider scope and useReactFlow hook usage

03Checks for essential CSS imports and proper container dimensioning

0414 GitHub stars

05Flags improper state mutations and complex object storage in node data

06Detects performance-draining re-renders in node and edge components

Use Cases

01Automating architectural reviews for PRs involving complex diagramming features

02Optimizing heavy node-based UIs that suffer from lag during canvas interactions

03Debugging layout issues where flows are invisible or non-interactive

What are Skills?·How to Install

Install with 🐟 Skill.Fish

npx skillfish add existential-birds/beagle react-flow-code-review

For use in Claude.ai and ChatGPT

Download Skill