Operational discipline layer for AI-assisted software delivery: spec/ticket workflows, quality gates, and persistent engineering memory across Cursor, Claude Code, and VS Code.
Cursor rule Cursor
Node.js architecture guidelines — project structure, layering, hexagonal adapters, config validation, and process entry point patterns. Applied when working on Node.js service architecture and structure.
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Node.js security guidelines — child process safety, SSRF prevention, HTTP security headers, body limits, secrets hygiene, and dependency auditing. Applied when working on Node.js services and backend code.
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Node.js testing guidelines — API testing with Supertest, process lifecycle testing, queue consumer testing, stream testing, and Testcontainers for real infrastructure. Applied when working with Node.js test files.
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Node.js runtime and backend best practices — configuration, process lifecycle, API robustness, async error handling, observability, and security. Applied when working on Node.js services, CLIs, or server-side code.
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Python development guidelines — PEP 8, type hints, error handling, async patterns, packaging, and testing. Applied when working with Python code.
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React best practices — component patterns, hooks, state management, context, performance, testing, accessibility, and modern React 18+ features. Applied when working with React components.
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Testing React components — React Testing Library, hooks, context, async, accessibility. Extends core/rules/testing.mdc with React-specific patterns.
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Rust development guidelines — ownership, borrowing, lifetimes, error handling, performance, concurrency, async, and testing patterns. Applied when working with Rust code.
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Advanced patterns for Electron development — multi-window management, typed IPC, plugin architecture, security policies, performance monitoring, and error recovery. Applied when building complex Electron applications.
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API Design for TypeScript — Express, NestJS, Fastify patterns, middleware, validation, and error handling. Extends core/rules/api-design.mdc with TypeScript-specific guidance.
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Dependency management and security vulnerability scanning guidelines for Node.js/npm projects.
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TypeScript security guidelines — input validation with Zod, JWT handling, SQL injection prevention, secrets hygiene, and dependency scanning. Applied when working with TypeScript files.
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TypeScript testing guidelines — Vitest/Jest setup, unit testing patterns, mocking strategy, integration testing with Testcontainers, and coverage standards. Applied when working with TypeScript test files.
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TypeScript best practices — strict configuration, advanced type patterns, type safety, generics, branded types, type guards, performance, testing, and common anti-patterns. Applied when working with TypeScript files.
At most 3 mods per repository are shown here, and a mod shipped inside a plugin is left to that plugin's page — the rest are on their repository pages: