Comprehensive guide for using the Anthropic API (Claude AI). Use when working with Claude API integration, implementing message creation, streaming responses, tool use (function calling), or batch processing. Covers request/response formats, best practices, and common patterns for TypeScript/JavaScript and Python SDKs.
Engineering invariants and coding conventions for x-llm-gateway. Covers import ordering, naming, error handling, shared constants, file organization, and architectural rules that must be followed in all new code.
OpenAI HTTP API Protocol format specification and implementation guide. Use when working with OpenAI API integration, implementing chat completions, streaming responses (SSE), tool use (function calling), or building OpenAI-compatible API endpoints. Covers request/response formats, Server-Sent Events streaming, and protocol conversion.
UI/UX design intelligence. 67 styles, 96 palettes, 57 font pairings, 25 charts, 13 stacks (React, Next.js, Vue, Svelte, SwiftUI, React Native, Flutter, Tailwind, shadcn/ui). Actions: plan, build, create, design, implement, review, fix, improve, optimize, enhance, refactor, check UI/UX code. Projects: website, landing page, dashboard, admin panel, e-commerce, SaaS, portfolio, blog, mobile app, .html, .tsx, .vue, .svelte. Elements: button, modal, navbar, sidebar, card, table, form, chart. Styles: glassmorphism, claymorphism, minimalism, brutalism, neumorphism, bento grid, dark mode, responsive, skeuomorphism, flat design. Topics: color palette, accessibility, animation, layout, typography, font pairing, spacing, hover, shadow, gradient. Integrations: shadcn/ui MCP for component search and examples.
Unit and integration testing conventions for x-llm-gateway. Use when writing tests for Bun+Hono backend services, React components, or failover/circuit-breaker/cache logic. Covers test runner setup, directory structure, mocking strategy, naming conventions, and factory helpers.