Total 52,658 skills, Backend Development has 4285 skills
Showing 12 of 4285 skills
Choose system boundaries, architectural patterns, and tradeoffs. USE when deciding overall software shape, domain boundaries, or major technical direction.
SuiteScript 1.0, 2.0, and 2.x to 2.1 migration assistant. Analyzes, converts, explains, and validates script upgrades. Covers 125+ API mappings, 34 object conversions, 13 unmapped API workarounds, all script type entry point changes, SuiteScript 2.0/2.x to 2.1 upgrade guidance, and 16 categories of breaking behavioral changes. Essential for modernizing legacy SuiteScript codebases.
PostHog feature flags for Node.js applications
PostHog error tracking for Node.js
Test Go Gin APIs with httptest, table-driven tests, testcontainers. Use when writing tests for Gin handlers, services, middleware, or setting up integration and e2e tests.
Expert logging guidance based on Boris Tane's loggingsucks.com philosophy. Use when implementing logging, adding observability, debugging production issues, or reviewing code that includes log statements. Covers wide events architecture, structured logging, smart sampling, and high-cardinality field design.
Everything you need to know to build, test and review Home Assistant Integrations. If you're looking at an integration, you must use this as your primary reference.
Expert-level maritime systems, vessel tracking, port operations, cargo management, and maritime logistics
Rules and guidelines for working with Spring Data JPA in the project. ALWAYS use this skill when adding, removing, or modifying JPA entities, repositories, or projections. Trigger on any request that involves changing entity structure, adding new entities, modifying field annotations, updating database mappings, creating or modifying Spring Data repositories, or defining query projections (interfaces, DTOs).
Migrate a .NET 10 project or solution to .NET 11 and resolve all breaking changes. This is a MIGRATION skill — use it when upgrading from .NET 10 to .NET 11, NOT for writing new programs. USE FOR: upgrading TargetFramework from net10.0 to net11.0, fixing build errors after updating the .NET 11 SDK, resolving source-breaking and behavioral changes in .NET 11 runtime, C# 15 compiler, and EF Core 11, adapting to updated minimum hardware requirements (x86-64-v2, Arm64 LSE), and updating CI/CD pipelines and Dockerfiles for .NET 11. DO NOT USE FOR: .NET Framework migrations, upgrading from .NET 9 or earlier, greenfield .NET 11 projects, or cosmetic modernization unrelated to the upgrade. NOTE: .NET 11 is in preview. Covers breaking changes through Preview 3.
Creates .NET projects from templates with validated parameters, smart defaults, Central Package Management adaptation, and latest NuGet version resolution. USE FOR: creating new dotnet projects, scaffolding solutions with multiple projects, installing or uninstalling template packages, creating projects that respect Directory.Packages.props (CPM), composing multi-project solutions (API + tests + library), getting latest NuGet package versions in newly created projects. DO NOT USE FOR: finding or comparing templates (use template-discovery), authoring custom templates (use template-authoring), modifying existing projects or adding NuGet packages to existing projects.
Build Discord bots using discord.py. Use when the user asks about Discord bot development, discord.py library, bot commands, slash commands, Discord intents, or Discord API integration. Covers Client, Bot, events, commands extension, app_commands, views, buttons, modals, and cogs.