Frontend cursor rules

shadcn-ui/ui

Cursor rule Cursor

Keep registry base and radix trees in sync when editing shared UI.

apache/superset

Cursor rule Cursor

Apache Superset development standards and guidelines for Cursor IDE.

coollabsio/coolify

Cursor rule Cursor

Master reference to all Coolify AI documentation in .ai/ directory.

TryGhost/Ghost

Cursor rule Cursor

Playwright E2E testing configuration for AI agents.

prisma/orm

Cursor rule Codex

Control plane descriptor and instance implementation patterns.

trpc/trpc

Cursor rule Cursor

You are working on tRPC - a TypeScript-first RPC library that provides end-to-end type safety between client and server. As a TypeScript expert contributing to this library, you should.

trpc/trpc

Cursor rule Cursor

// ✅ CORRECT: Legacy React Query pattern const ctx = konn() .beforeEach(() => createAppRouter()) .afterEach((ctx) => ctx?.close?.()) .done().

trpc/trpc

Cursor rule Cursor

// ✅ CORRECT: Upgrade package pattern await using ctx = testReactResource(appRouter, { server: { // server configuration }, client(opts) { return { links: [ httpLink({ url: opts.httpUrl, // client configuration }), ], }; }, }).

CopilotKit/CopilotKit

Cursor rule Cursor

Most coagents examples have a ui/ folder with Next.js applications.

SigNoz/signoz

Cursor rule Cursor

Use the following stack. Do not introduce or recommend Redux or React Context for shared/global state.

SigNoz/signoz

Cursor rule Cursor

Core testing conventions - imports, rendering, MSW, interactions, queries.

SigNoz/signoz

Cursor rule Cursor

When to use global vs local mocks in tests.

assafelovic/gpt-researcher

Cursor rule Cursor

An autonomous agent that conducts deep research on any data using any LLM providers.

mastra-ai/mastra

Cursor rule Cursor

AGENTS.md.

fosrl/pangolin

Cursor rule Cursor

When creating UI for popup dialogs or modals, use the Credenza componennt. This component is mobile responsive and works on desktop and wraps the dialog component and sheet into one.

comet-ml/opik

Cursor rule Codex

Cursor rule "agents" from comet-ml/opik, covering agent deployment, domain routing, frontend structure, task approach and execution.

ColorlibHQ/gentelella

Cursor rule Cursor

Gentelella v4 — project conventions, recipes, anti-patterns.

kortix-ai/suna

Cursor rule Cursor

Kortix is a React Native + Expo app built with TypeScript, NativeWind (Tailwind CSS), and a custom design system.

windmill-labs/windmill

Cursor rule

This guide documents the complete tutorial infrastructure in Windmill's frontend, enabling developers to create new interactive tutorials without re-exploring the codebase.

microsoft/data-formulator

Cursor rule Cursor

Unified error handling protocol for backend and frontend.

udecode/plate

Cursor rule Codex

React component architecture for creating composable, accessible components with data attributes. Use when creating/updating composable components, not for higher-level feature/page components.

udecode/plate

Cursor rule Codex

Review Slate v2 architecture/API plans against React 19.2 runtime performance, Slate-close unopinionated DX, legacy-regression proof, research evidence, and shadcn-style composability; write a scored plan and keep completion pending until every required pass and closure gate is complete.

udecode/plate

Cursor rule Codex

Autogoal-backed planning, status, review, dashboard, apply, and tracking for upstream shadcn docs syncs into Plate docs. Use when the user asks for sync-shadcn, sync-shadcn status, sync-shadcn review, sync-shadcn dashboard, sync-shadcn apply, a scoped sync-shadcn lane, to sync shadcn docs, audit newer shadcn docs…

triggerdotdev/trigger.dev

Cursor rule Cursor

how to run commands in the monorepo.