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Debugging specialist for root cause analysis of errors, test failures, and unexpected system behavior. Apply this rule when: (1) Error messages or exceptions are encountered requiring investigation, (2) Stack traces need analysis to identify failure origins, (3) Test failures need diagnosis and resolution, (4)…
Cursor rule Cursor
Developer Experience specialist focused on tooling optimization, project setup automation, and workflow enhancement. Apply this rule when: (1) Setting up new projects or onboarding developers, (2) Developer workflows have friction points or manual repetitive tasks, (3) Build or test times are slow and need…
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Log analysis and error pattern detection specialist for debugging distributed systems and production issues. Apply this rule when: (1) Analyzing application logs for error patterns and anomalies, (2) Investigating production errors and system failures, (3) Parsing stack traces across multiple programming languages…
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Performance analysis and optimization specialist for application performance, memory management, and system optimization across all technology stacks. Apply this rule when: (1) Performance bottlenecks need identification and resolution, (2) Memory leaks or excessive memory usage is occurring, (3) Load testing and…
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Test automation and quality assurance specialist for comprehensive testing strategies and test engineering practices. Apply this rule when: (1) Test strategy or testing approach needs to be designed, (2) Test automation framework setup is required, (3) Unit, integration, or E2E tests need to be created, (4) Test…
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Detects and safely removes unused code including imports, functions, classes, and variables across multiple programming languages. Apply this rule when: (1) Codebase refactoring or feature removal has left unused code, (2) Production deployment preparation requires cleanup, (3) Code quality improvement through dead…
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Backend system architecture and API design specialist. Apply this rule when working on RESTful API design, microservice architecture planning, database schema design, service boundary definition, caching strategies, API versioning, inter-service communication patterns, performance optimization, scalability planning…
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Use this rule when designing, creating, or optimizing CLI commands and command-line interfaces. This applies when the user needs help with command structure, argument parsing, task automation patterns, or CLI best practices. Essential for creating comprehensive command specifications, optimizing command performance…
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CLI/Terminal UI design specialist for creating terminal-inspired web interfaces with modern web technologies. Apply this rule when designing or implementing command-line interface aesthetics in web applications, terminal-themed user interfaces, CLI-style components, ASCII art integration, monospace typography systems…
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DevOps and infrastructure specialist for CI/CD pipelines, deployment automation, and cloud operations. Apply this rule when working on continuous integration/continuous deployment setup, infrastructure as code (Terraform, CloudFormation, Ansible), Docker containerization, Kubernetes orchestration, cloud platform…
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Frontend development specialist for React applications and responsive design. Apply this rule when working on React component development, UI implementation, responsive CSS design, state management solutions (Redux, Zustand, Context API), frontend performance optimization, accessibility implementation (WCAG…
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Full-stack development specialist covering frontend, backend, and database technologies. Apply this rule when working on end-to-end application development, complete feature implementation spanning multiple layers, API integration between frontend and backend, database design and integration, authentication and…
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Native iOS development specialist with Swift and SwiftUI. Apply this rule when developing native iOS applications, implementing SwiftUI declarative UI, working with UIKit components and custom views, integrating Core Data or CloudKit, handling app lifecycle and background processing, implementing URLSession…
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Cross-platform mobile development specialist for React Native and Flutter applications. Apply this rule when developing cross-platform mobile applications, implementing React Native or Flutter components, integrating native modules for iOS and Android, building offline-first data synchronization, implementing push…
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UI/UX design specialist for user-centered design and interface systems. Apply this rule when conducting user research and persona development, creating wireframes and prototypes, building design systems and component libraries, implementing accessibility and inclusive design principles, designing information…
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Cloud infrastructure design and optimization specialist for AWS/Azure/GCP. Apply this rule when working on cloud infrastructure architecture, designing Terraform IaC modules, implementing cost optimization strategies, configuring auto-scaling policies, setting up multi-region deployments, designing serverless…
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CI/CD and deployment automation specialist for containerized applications. Apply this rule when configuring CI/CD pipelines (GitHub Actions, GitLab CI, Jenkins), creating Docker containers with multi-stage builds, setting up Kubernetes deployments and services, implementing Infrastructure as Code, configuring…
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Production troubleshooting and incident response specialist for debugging complex system issues. Apply this rule when debugging production incidents, analyzing application logs and metrics, troubleshooting deployment failures, investigating container or Kubernetes issues, diagnosing network connectivity problems…
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Monitoring and observability infrastructure specialist for comprehensive system visibility. Apply this rule when setting up metrics collection systems (Prometheus, InfluxDB, DataDog), configuring log aggregation and analysis (ELK, Fluentd, Loki), implementing distributed tracing (Jaeger, Zipkin, OpenTelemetry)…
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Network connectivity and infrastructure specialist for application networking and troubleshooting. Apply this rule when debugging network connectivity issues, configuring load balancers (nginx, HAProxy, ALB), troubleshooting DNS resolution problems, setting up SSL/TLS certificates and HTTPS, analyzing network…
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Security infrastructure and compliance specialist for building secure, compliant systems. Apply this rule when designing security architecture, implementing IAM and access controls, setting up encryption at rest and in transit, configuring secrets management, implementing compliance frameworks (SOC2, PCI-DSS, HIPAA…
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Terraform and Infrastructure as Code specialist for infrastructure automation and state management. Apply this rule when designing Terraform module architecture, implementing remote state management (S3, Azure Storage, Terraform Cloud), configuring provider requirements and version constraints, designing workspace…
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Vercel platform specialist for edge functions, serverless optimization, and deployment strategies. Apply this rule when configuring Vercel deployments, optimizing edge functions and middleware, implementing serverless functions with cold start optimization, configuring performance optimization (edge caching, ISR…
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API documentation specialist focused on developer experience and API specifications. Apply this rule when creating or updating OpenAPI/Swagger specifications, generating SDK documentation, writing API reference documentation, creating client libraries, documenting authentication flows, writing API versioning…
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: