Total 31,137 skills, Backend Development has 3055 skills
Showing 12 of 3055 skills
Generate custom typed errors. Use when adding or extending module error definitions.
Symfony UX TwigComponent for reusable UI elements. Use when creating reusable Twig templates with PHP backing classes, component composition, props, slots/blocks, computed properties, or anonymous components. Triggers - twig component, AsTwigComponent, reusable template, component props, twig blocks, component slots, anonymous component, Symfony UX component, HTML component, component library, design system component, UI kit, reusable button, reusable card, PreMount, PostMount, mount method. Also trigger for any question about building a reusable piece of UI in Symfony, even if the user doesn't mention TwigComponent by name.
A professional guide that instructs developers on how to introduce and use the official SDK (@lazycatcloud/sdk) in Lazycat MicroServer applications, register file type associations (file_handler), and implement basic integrations.
Create a new evlog framework integration to add automatic wide-event logging to an HTTP framework. Use when adding middleware/plugin support for a framework (e.g., Hono, Elysia, Fastify, Express, NestJS) to the evlog package. Covers source code, build config, package exports, tests, example app, and all documentation.
Go backend development best practices for microservices with clean architecture, observability, and production-ready patterns
Clean Architecture, Hexagonal Architecture (Ports & Adapters), and Domain-Driven Design fundamentals. Layer boundaries, dependency rules, and tactical patterns for maintainable systems.
Cron and scheduled task management. node-cron, cron expressions, Spring @Scheduled, APScheduler (Python), and distributed scheduling patterns. USE WHEN: user mentions "cron", "scheduled task", "cron job", "node-cron", "@Scheduled", "APScheduler", "periodic task", "crontab" DO NOT USE FOR: job queues with workers - use `job-queues`; one-off delayed tasks - use `job-queues`
REST client snippets for Remix agent publishing
Upgrade Python dependencies using uv, then run post-upgrade checks to ensure nothing is broken.
Creates complete VoltDB client applications with optimized table partitioning, DDL schemas, stored procedures, and integration tests. Use when user wants to create a VoltDB client, connect to VoltDB, create VoltDB schemas, write VoltDB stored procedures, or write VoltDB integration tests.
CMake build system skill for C/C++ projects. Use when writing or refactoring CMakeLists.txt, configuring out-of-source builds, selecting generators (Ninja, Make, VS), managing targets and dependencies with target_link_libraries, integrating external packages via find_package or FetchContent, enabling sanitizers, setting up toolchain files for cross-compilation, or exporting CMake packages. Activates on queries about CMakeLists.txt, cmake configure errors, target properties, install rules, CPack, or CMake presets.
Database migration guide. Use when generating migrations, writing migration SQL, or modifying database schemas. Triggers on migration generation, schema changes, or idempotent SQL questions.