Total 50,539 skills, Backend Development has 4137 skills
Showing 12 of 4137 skills
Call use_skill as your FIRST and ONLY action when the user asks to RUN, START, or DEBUG a Mule application. This includes executing applications in run mode OR debug mode. Trigger phrases include "run my project", "run all projects", "debug my project", "debug all my projects", "start the app", "run <project-name>", "debug <project-name>". When you call use_skill, it must be the only tool call in that response.
Advanced Domain-Driven Design (DDD) Integration Patterns. Use this skill for implementing CQRS, Event Sourcing, the Outbox Pattern, and Anti-Corruption Layers (ACL) in distributed systems.
Elasticsearch and Elastic APM integration with Serilog structured logging for .NET applications. Use when: (1) Implementing or configuring Serilog with Elasticsearch sink, (2) Setting up Elastic APM with data streams and authentication, (3) Creating logging extension methods in Infrastructure layer, (4) Enriching logs with app-name and app-type properties, (5) Configuring log levels and environment-specific logging, (6) Questions about logging security (PII, credentials), or (7) Troubleshooting observability and monitoring setup.
Optimize Supabase API performance with caching, batching, and connection pooling. Use when experiencing slow API responses, implementing caching strategies, or optimizing request throughput for Supabase integrations. Trigger with phrases like "supabase performance", "optimize supabase", "supabase latency", "supabase caching", "supabase slow", "supabase batch".
nginx C module debugging guidelines based on the official nginx development guide. This skill should be used when debugging nginx C module crashes, memory bugs, request flow issues, or production problems. Triggers on tasks involving segfault analysis, coredump debugging, GDB inspection, memory leak detection, request phase tracing, AddressSanitizer setup, or nginx module troubleshooting.
Use when designing API endpoints. Use when using wrong HTTP methods. Use when POST is used for reads.
Use when working with C#, F#, .NET libraries, ASP.NET Core, Blazor, Entity Framework Core, and the broader .NET ecosystem. USE FOR: .NET language features, choosing libraries and frameworks, project structure, package selection, architecture decisions DO NOT USE FOR: specific library configuration details (use the sub-skills: web, data, testing, eventing, cloud, etc.)
Handles Entity Framework Core database access, migrations, and repository patterns for PostgreSQL. Use when: Creating DbContext classes, writing migrations, implementing repositories, configuring entity relationships, or optimizing database queries.
Service layer patterns with createTaggedError, namespace exports, and Result types. Use when creating new services, defining domain-specific errors, or understanding the service architecture.
Websocket Client Creator - Auto-activating skill for API Integration. Triggers on: websocket client creator, websocket client creator Part of the API Integration skill category.
Error Handler Middleware - Auto-activating skill for Backend Development. Triggers on: error handler middleware, error handler middleware Part of the Backend Development skill category.
Database expert including Prisma, Supabase, SQL, and NoSQL patterns