Skill Claude CodeCodex
Guidance for documenting web APIs with OpenAPI, a standard format for describing endpoints, inputs, outputs, examples, and errors.
Skill Claude CodeCodex
Guidance for documenting web APIs with OpenAPI, a standard format for describing endpoints, inputs, outputs, examples, and errors.
Skill Claude CodeCodex
A guide for adding login and permission controls to an application, including JWT tokens, OAuth 2.0, refresh-token rotation, and role-based access control. Role-based access control means users receive permissions according to assigned roles.
Skill Claude CodeCodex
A guide to caching data in browsers, content delivery networks (CDNs), and Redis, a fast in-memory data store. It also covers cache-aside patterns and ways to remove or refresh outdated cached data.
Skill Claude CodeCodex
A guide for adding charts to web applications with Chart.js, Recharts, or D3.js. It covers choosing a chart library, adapting charts to screen size, handling large datasets, and supporting accessibility.
Skill Claude CodeCodex
A code-review checklist and set of guidelines for checking security, performance, maintainability, and tests in code changes.
Skill Claude CodeCodex
A collection of patterns for loading and changing data in React applications, using tools such as React Query and SWR. It includes pagination, loading states, and optimistic updates, where the interface changes before the server confirms the change.
Skill Claude CodeCodex
A guide to building web interfaces with reusable components, accessible markup, and layouts that adapt to different screen sizes.
Skill Claude CodeCodex
Guidance for building a system that records product quantities and updates stock as items are sold or reserved. It addresses database transactions, simultaneous updates, and low-stock alerts.
Skill Claude CodeCodex
A guide for processing and optimizing media files, especially images, by resizing them, converting formats, and serving them efficiently.
Skill Claude CodeCodex
A design and implementation guide for managing an order’s lifecycle, such as moving from pending to paid, shipped, and delivered. It also covers recording status history and preventing conflicting updates.
Skill Claude CodeCodex
Guidance for connecting an application to payment services such as card processors. It covers a common interface for payments, refunds, cancellations, and payment-service callbacks called webhooks.
Skill Claude CodeCodex
A guide for designing web interfaces, covering components, page layouts, accessibility, and responsive behavior across screen sizes.
Skill Claude CodeCodex
A testing guide for real-time features, such as WebSocket connections that keep a live link between a client and server. It covers connection tests, load tests, simulated events, and a testing checklist.
Skill Claude CodeCodex
A guide to Redis Pub/Sub, a messaging pattern where one part of an application publishes a message and other parts listening to a channel receive it immediately.
Skill Claude CodeCodex
A guide for adding a rich-text editor, which lets users format content with features such as headings, images, and collaborative editing, to a web application.
Skill Claude CodeCodex
A guide to helping websites appear correctly in search engines and social-media previews.
Skill Claude CodeCodex
A guide for building real-time web communication with Socket.IO, a library that sends events between browsers and servers without waiting for regular page requests. It covers connections, event handling, errors, reconnection, and multi-server setups.
Skill Claude CodeCodex
A guide for writing software tests, including tests for individual functions, connected modules, and complete user scenarios. TDD, or test-driven development, means writing tests as part of the development process before or alongside the code.