/cursor / claude rules

CLAUDE.md template for Claude Code in TypeScript projects. Strict types, ESM modules, and modern patterns.

Emil Kowalski's rule set for when UI motion helps versus when it slows daily work. Frequency, purpose, and sub-300ms speed. Course pitch on the page is not part of this cache.

CLAUDE.md rules for Python projects using Claude Code. Enforces type hints, uv for dependency management, ruff for linting, and pytest conventions for production-quality Python.

Cursor rules for Astro framework projects. Islands architecture, content collections, SSG/SSR, and component patterns.

Cursor rules for Go (Golang) projects. Idiomatic Go patterns, error handling, package structure.

Cursor rules blocking 17 common LLM coding honesty failures: hallucinated APIs, invented signatures, false-confidence validation, manufactured-urgency capitulation, authority-driven softening, and self-referential comments.

CLAUDE.md template for Claude Code in Next.js projects. App Router conventions, server components, and TypeScript patterns.

CLAUDE.md template for Claude Code in Python projects. Type hints, project structure, testing, and virtual environments.

Cursor rules for Google's Agent Development Kit. Agent design boundaries, typed tools with validation, session vs memory split, artifact services for binary payloads, and evaluation plus observability gates.

Cursor rules for JavaScript and TypeScript with code quality focus: early returns, descriptive names, constants over functions, DRY, functional and immutable style, minimal code changes, JSDoc, and chain-of-thought pseudocode planning.

Cursor rules for Flutter development. Flutter 3.x with Material 3, clean architecture and BLoC state management, GoRouter navigation, GetIt dependency injection, Either-style error handling, and platform-specific conventions.

Cursor rules for PySpark ETL development with code style, joins, window functions, map operations, and Iceberg patterns.

Safety-first network troubleshooting rules for Cursor. Read-only diagnostics, target-scoped checks, classification table for common errors, TLS and proxy guardrails, and explicit user approval before any state change.

Cursor rules for React Router v7 framework mode. Route modules as loader/action boundaries, URL-first state, progressive enhancement, no useEffect data duplication.

Cursor rules for Rust projects. Ownership patterns, error handling with Result/Option, and idiomatic Rust.

Cursor rules for Solana on-chain and off-chain code with wallet-security awareness: encrypted signer storage, isolated signer subprocesses, MEV defense via Jito, oracle-gated trades, program-ID allowlists, and simulation-gated promotion to live signing.

Cursor rules for SvelteKit projects. Runes, server/client separation, form actions, and component patterns.

Cursor rules for Tailwind CSS v4 projects. CSS-first config, design tokens, and utility patterns.

Cursor rules for TanStack Router v1 with React and TypeScript. Enforces 100% type-safe routing, file-based route conventions, Zod-validated search params, route loaders over useEffect, and auth via beforeLoad.

Cursor rules for React + Zustand client state. Store ownership boundaries, selectors, middleware, persistence, and testing.

Cursor rules for React + GraphQL with Apollo Client. Functional components, query/mutation/fragment organization, custom hooks, caching, and error boundaries for type-safe GraphQL operations.

Cursor rules for TanStack Query v5. Server-state only, query key factories, queryOptions reuse, optimistic updates with rollback, infinite queries, Suspense, and prefetching.

Cursor rules for React SPAs combining TanStack Router v1 and TanStack Query v5. Loaders prefetch into Query, no loading spinners for route data.

Cursor rules for TensorFlow and deep learning — model development, training, evaluation, and deployment patterns.

Cursor rules for Snowflake Cortex AI Functions (AI_COMPLETE, AI_CLASSIFY, AI_EXTRACT, etc.) and Cortex Search. Current AI_* function names, model list, hybrid vector+keyword search, RAG pattern, and anti-patterns for deprecated COMPLETE/CLASSIFY_TEXT calls.

Cursor rules for Vue 3 / Nuxt 3 projects. Composition API, script setup, Pinia stores.

Windsurf Cascade rules for React projects. Agent behavior, component patterns, and code generation conventions.

Cursor rules for SwiftUI on iOS 15+ with Swift 6 strict concurrency. MVVM/Clean Architecture, body size limit, Sendable and MainActor, LazyVStack, async/await over onAppear, AsyncImage, and SwiftUI performance traps.