backend-patterns

57.0k

affaan-m

Backend architecture patterns, API design, database optimization, and server-side best practices for Node.js, Express, and Next.js API routes.

springboot-patterns

57.0k

affaan-m

Spring Boot architecture patterns, REST API design, layered services, data access, caching, async processing, and logging. Use for Java Spring Boot backend work.

dotnet-backend-patterns

29.9k

wshobson

Master C#/.NET backend development patterns for building robust APIs, MCP servers, and enterprise applications. Covers async/await, dependency injection, Entity Framework Core, Dapper, configuration, caching, and testing with xUnit. Use when developing .NET backends, reviewing C# code, or designing API architectures.

nodejs-backend-patterns

29.9k

wshobson

Build production-ready Node.js backend services with Express/Fastify, implementing middleware patterns, error handling, authentication, database integration, and API design best practices. Use when creating Node.js servers, REST APIs, GraphQL backends, or microservices architectures.

architecture-patterns

29.9k

wshobson

Implement proven backend architecture patterns including Clean Architecture, Hexagonal Architecture, and Domain-Driven Design. Use when architecting complex backend systems or refactoring existing applications for better maintainability.

fastapi-templates

29.9k

wshobson

Create production-ready FastAPI projects with async patterns, dependency injection, and comprehensive error handling. Use when building new FastAPI applications or setting up backend API projects.

backend-dev-guidelines

22.5k

langfuse

Comprehensive backend development guide for Langfuse's Next.js 14/tRPC/Express/TypeScript monorepo. Use when creating tRPC routers, public API endpoints, BullMQ queue processors, services, or working with tRPC procedures, Next.js API routes, Prisma database access, ClickHouse analytics queries, Redis queues, OpenTelemetry instrumentation, Zod v4 validation, env.mjs configuration, tenant isolation patterns, or async patterns. Covers layered architecture (tRPC procedures → services, queue processors → services), dual database system (PostgreSQL + ClickHouse), projectId filtering for multi-tenant isolation, traceException error handling, observability patterns, and testing strategies (Jest for web, vitest for worker).

verl-rl-training

21.8k

davila7

Provides guidance for training LLMs with reinforcement learning using verl (Volcano Engine RL). Use when implementing RLHF, GRPO, PPO, or other RL algorithms for LLM post-training at scale with flexible infrastructure backends.

senior-backend

21.8k

davila7

Comprehensive backend development skill for building scalable backend systems using NodeJS, Express, Go, Python, Postgres, GraphQL, REST APIs. Includes API scaffolding, database optimization, security implementation, and performance tuning. Use when designing APIs, optimizing database queries, implementing business logic, handling authentication/authorization, or reviewing backend code.

backend-dev-guidelines

21.8k

davila7

Comprehensive backend development guide for Node.js/Express/TypeScript microservices. Use when creating routes, controllers, services, repositories, middleware, or working with Express APIs, Prisma database access, Sentry error tracking, Zod validation, unifiedConfig, dependency injection, or async patterns. Covers layered architecture (routes → controllers → services → repositories), BaseController pattern, error handling, performance monitoring, testing strategies, and migration from legacy patterns.

nemo-evaluator-sdk

21.8k

davila7

Evaluates LLMs across 100+ benchmarks from 18+ harnesses (MMLU, HumanEval, GSM8K, safety, VLM) with multi-backend execution. Use when needing scalable evaluation on local Docker, Slurm HPC, or cloud platforms. NVIDIA's enterprise-grade platform with container-first architecture for reproducible benchmarking.

frontend-to-backend-requirements

21.8k

davila7

Document frontend data needs for backend developers. Use when frontend needs to communicate API requirements to backend, or user says 'backend requirements', 'what data do I need', 'API requirements', or is describing data needs for a UI.

backend-patterns

21.8k

davila7

Backend architecture patterns, API design, database optimization, and server-side best practices for Node.js, Express, and Next.js API routes.

backend-to-frontend-handoff-docs

21.8k

davila7

Create API handoff documentation for frontend developers. Use when backend work is complete and needs to be documented for frontend integration, or user says 'create handoff', 'document API', 'frontend handoff', or 'API documentation'.

firebase

21.8k

davila7

Firebase gives you a complete backend in minutes - auth, database, storage, functions, hosting. But the ease of setup hides real complexity. Security rules are your last line of defense, and they're often wrong. Firestore queries are limited, and you learn this after you've designed your data model. This skill covers Firebase Authentication, Firestore, Realtime Database, Cloud Functions, Cloud Storage, and Firebase Hosting. Key insight: Firebase is optimized for read-heavy, denormalized data. I

dotnet-architect

18.0k

sickn33

Expert .NET backend architect specializing in C#, ASP.NET Core, Entity Framework, Dapper, and enterprise application patterns.

backend-dev-guidelines

18.0k

sickn33

Opinionated backend development standards for Node.js + Express + TypeScript microservices. Covers layered architecture, BaseController pattern, dependency injection, Prisma repositories, Zod valid...

nodejs-backend-patterns

18.0k

sickn33

Build production-ready Node.js backend services with Express/Fastify, implementing middleware patterns, error handling, authentication, database integration, and API design best practices. Use when...

backend-development-feature-development

18.0k

sickn33

Orchestrate end-to-end backend feature development from requirements to deployment. Use when coordinating multi-phase feature delivery across teams and services.

dotnet-backend-patterns

18.0k

sickn33

Master C#/.NET backend development patterns for building robust APIs, MCP servers, and enterprise applications. Covers async/await, dependency injection, Entity Framework Core, Dapper, configuratio...

fastapi-templates

18.0k

sickn33

Create production-ready FastAPI projects with async patterns, dependency injection, and comprehensive error handling. Use when building new FastAPI applications or setting up backend API projects.

architecture-patterns

18.0k

sickn33

Implement proven backend architecture patterns including Clean Architecture, Hexagonal Architecture, and Domain-Driven Design. Use when architecting complex backend systems or refactoring existing ...

application-performance-performance-optimization

18.0k

sickn33

Optimize end-to-end application performance with profiling, observability, and backend/frontend tuning. Use when coordinating performance optimization across the stack.

backend-security-coder

18.0k

sickn33

Expert in secure backend coding practices specializing in input validation, authentication, and API security. Use PROACTIVELY for backend security implementations or security code reviews.

opik-backend

18.0k

comet-ml

Java backend patterns for Opik. Use when working in apps/opik-backend, designing APIs, database operations, or services.

V3 Memory Unification

17.8k

ruvnet

Unify 6+ memory systems into AgentDB with HNSW indexing for 150x-12,500x search improvements. Implements ADR-006 (Unified Memory Service) and ADR-009 (Hybrid Memory Backend).

rust-backend

15.9k

windmill-labs

Rust coding guidelines for the Windmill backend. MUST use when writing or modifying Rust code in the backend directory.

polars

10.8k

K-Dense-AI

Fast in-memory DataFrame library for datasets that fit in RAM. Use when pandas is too slow but data still fits in memory. Lazy evaluation, parallel execution, Apache Arrow backend. Best for 1-100GB datasets, ETL pipelines, faster pandas replacement. For larger-than-RAM data use dask or vaex.

woocommerce-backend-dev

10.2k

woocommerce

Add or modify WooCommerce backend PHP code following project conventions. Use when creating new classes, methods, hooks, or modifying existing backend code. **MUST be invoked before writing any PHP unit tests.**

hula-skill

7.0k

HuLaSpark

HuLa project skill for frontend (Vue 3 + Vite + UnoCSS + Naive UI/Vant), backend (Tauri v2 + Rust + SeaORM/SQLite), full-stack flows, and build/release work. Use when the user mentions hula or HuLa or requests changes in this repository; after triggering, ask which scope (frontend/backend/fullstack/build-release) to enable.

refly

6.9k

refly-ai

Base skill for Refly ecosystem: creates, discovers, and runs domain-specific skills bound to workflows. Routes user intent to matching domain skills via symlinks, delegates execution to Refly backend. Use when user asks to: create skills, run workflows, automate multi-step tasks, or manage pipelines. Triggers: refly, skill, workflow, run skill, create skill, automation, pipeline. Requires: @refly/cli installed and authenticated.

baoyu-danger-gemini-web

6.1k

JimLiu

Generates images and text via reverse-engineered Gemini Web API. Supports text generation, image generation from prompts, reference images for vision input, and multi-turn conversations. Use when other skills need image generation backend, or when user requests 'generate image with Gemini', 'Gemini text generation', or needs vision-capable AI generation.

project-navigation

5.9k

netalertx

Reference for the NetAlertX codebase structure, key file paths, and configuration locations. Use this when exploring the codebase or looking for specific components like the backend entry point, frontend files, or database location.

restarting-netalertx-services

5.9k

netalertx

Control NetAlertX services inside the devcontainer. Use this when asked to start backend, start frontend, start nginx, start php-fpm, start crond, stop services, restart services, or check if services are running.

nestjs-expert

4.1k

Jeffallan

Use when building NestJS applications requiring modular architecture, dependency injection, or TypeScript backend development. Invoke for modules, controllers, services, DTOs, guards, interceptors, TypeORM/Prisma.

fullstack-guardian

4.1k

Jeffallan

Use when implementing features across frontend and backend, building APIs with UI, or creating end-to-end data flows. Invoke for feature implementation, API development, UI building, cross-stack work.

test-with-postgres

3.2k

storj

Run unit tests that require PostgreSQL. Use this skill when the user wants to run tests with PostgreSQL database backend. Automatically handles checking for and configuring a PostgreSQL Docker container.

cargo-fuzz

3.0k

trailofbits

cargo-fuzz is the de facto fuzzing tool for Rust projects using Cargo. Use for fuzzing Rust code with libFuzzer backend.

Backend Microservice Development

2.5k

TencentBlueKing

Backend microservice development guidelines covering directory structure, layered architecture (API/Service/DAO), dependency injection, configuration management, and Spring Boot best practices. Intended for use when performing backend development, creating new microservices, writing Kotlin/Java code, or designing service architectures.

Artifactory Module Architecture

2.5k

TencentBlueKing

Artifactory artifact repository module architecture guide covering artifact upload/download, storage backend adaptation, artifact metadata, cleanup strategies, and access control. Use this when developing repository features, handling artifact storage, configuring cleanup policies, or implementing artifact management.

Common Technical Practices

2.5k

TencentBlueKing

A general technical practices guide covering AOP aspects, distributed locks, retry mechanisms, parameter validation, performance monitoring, scheduled tasks, audit logs, and other common backend development techniques. Use this when you need to implement cross-cutting concerns, handle concurrency control, configure retry strategies, add performance monitoring, or implement auditing features.

Backend Architecture

2.5k

exceptionless

Backend architecture for Exceptionless. Project layering, repositories, validation, controllers, authorization, WebSockets, configuration, and Aspire orchestration. Keywords: Core, Insulation, repositories, FluentValidation, MiniValidator, controllers, AuthorizationRoles, ProblemDetails, Aspire, WebSockets, AppOptions

Backend Testing

2.5k

exceptionless

Backend testing with xUnit, Foundatio.Xunit, integration tests with AppWebHostFactory, FluentClient, ProxyTimeProvider for time manipulation, and test data builders. Keywords: xUnit, Fact, Theory, integration tests, AppWebHostFactory, FluentClient, ProxyTimeProvider, TimeProvider, Foundatio.Xunit, TestWithLoggingBase, test data builders

codeagent

2.4k

cexll

Execute codeagent-wrapper for multi-backend AI code tasks. Supports Codex, Claude, and Gemini backends with file references (@syntax) and structured output.

dev

2.4k

cexll

Extreme lightweight end-to-end development workflow with requirements clarification, intelligent backend selection, parallel codeagent execution, and mandatory 90% test coverage

setup-deps

2.3k

iPlug2

Download iPlug2 dependencies including plugin format SDKs (VST3, CLAP, WAM) and optional Skia graphics backend libraries

senior-backend

2.2k

alirezarezvani

This skill should be used when the user asks to "design REST APIs", "optimize database queries", "implement authentication", "build microservices", "review backend code", "set up GraphQL", "handle database migrations", or "load test APIs". Use for Node.js/Express/Fastify development, PostgreSQL optimization, API security, and backend architecture patterns.

backend-development

1.8k

mrgoonie

Build robust backend systems with modern technologies (Node.js, Python, Go, Rust), frameworks (NestJS, FastAPI, Django), databases (PostgreSQL, MongoDB, Redis), APIs (REST, GraphQL, gRPC), authentication (OAuth 2.1, JWT), testing strategies, security best practices (OWASP Top 10), performance optimization, scalability patterns (microservices, caching, sharding), DevOps practices (Docker, Kubernetes, CI/CD), and monitoring. Use when designing APIs, implementing authentication, optimizing database queries, setting up CI/CD pipelines, handling security vulnerabilities, building microservices, or developing production-ready backend systems.