Total 50,523 skills, Backend Development has 4135 skills
Showing 12 of 4135 skills
Routes .NET/C# requests to the correct domain skill and loads coding standards as baseline for all code paths. Determines whether the task needs API, UI, testing, devops, tooling, or debugging guidance based on prompt analysis and project signals, then invokes skills in the right order. Always invoked after [skill:using-dotnet] detects .NET intent. Do not use for deep API, UI, testing, devops, tooling, or debugging implementation guidance.
Detects and modernizes outdated Move V1 syntax, patterns, and APIs to Move V2+. Use when upgrading legacy contracts, migrating to modern syntax, or converting old patterns to current best practices. NOT for writing new contracts (use write-contracts) or fixing bugs.
C# 12 language features including records, pattern matching, nullable reference types, LINQ, async/await, and modern language patterns. USE WHEN: user mentions "C#", "C# records", "pattern matching", "LINQ", "async/await", "nullable reference types", "C# generics", "C# language features" DO NOT USE FOR: TypeScript - use `typescript`, Java - use Java skills, F# or VB.NET specific features
XAF Memory Leak Prevention - event handler symmetry (OnActivated/OnDeactivated/Dispose), ObjectSpace scoped disposal with using statement, batch processing large datasets, IDisposable pattern for controllers with List<IDisposable> tracker, WeakEventSubscription, static reference anti-patterns, CollectionSource disposal, Session/HttpContext/Application anti-patterns (WebForms), ObjectSpacePool, controller lifecycle tracking, NavigationMonitor, warning signs, diagnostic tools (dotMemory, PerfView, XAF Tracing). Use when diagnosing memory leaks, auditing controller disposal, reviewing ObjectSpace lifetime, or reviewing Session usage in DevExpress XAF applications.
DevExpress XAF (eXpressApp Framework) master index. Use this skill first when working with any XAF topic to find the right sub-skill. Covers Blazor and WinForms, EF Core and XPO, versions v24.2 and v25.1. Sub-skills: xaf-xpo-models, xaf-ef-models, xaf-controllers, xaf-editors, xaf-custom-editors, xaf-nonpersistent, xaf-security, xaf-multi-tenant, xaf-web-api, xaf-validation, xaf-reports, xaf-dashboards, xaf-office, xaf-blazor-ui, xaf-winforms-ui, xaf-conditional-appearance, xaf-deployment, xaf-memory-leaks.
Binance Derivatives-trading-usds-futures request using the Binance API. Authentication requires API key and secret key. Supports testnet and mainnet.
Guide for organizing MSBuild infrastructure with Directory.Build.props, Directory.Build.targets, Directory.Packages.props, and Directory.Build.rsp. Only activate in MSBuild/.NET build context. Use when structuring multi-project repos, centralizing build settings, or implementing central package management. Invoke when asked about Directory.Build files, centralizing project properties, or organizing build infrastructure.
This skill should be used when the user asks to generate a CRUD module, create a new entity, scaffold a domain object, add a new resource with endpoints, or create a junction table. Generates complete Rockets SDK modules including TypeORM entities, NestJS modules, controllers, services, DTOs, interfaces, and ACL wiring using generate.js, integrate.js, and validate.js scripts.
KuCoin Assets management using the KuCoin API. Account information, balances, deposits, withdrawals, sub-accounts, and fee rates. Authentication requires API Key, API Secret, and Passphrase.
Expert knowledge for Modern Java (21+) development, including Virtual Threads, performance tuning, and idiomatic clean code. Use for deep Java language/logic questions.
Implement Token-2022 (Token Extensions) features - transfer fees, permanent delegate, metadata pointer, confidential transfers, and more. Use when creating advanced tokens or analyzing Token-2022 tokens.
Expert guidance for ElysiaJS web framework development. Use when building REST APIs, GraphQL services, or WebSocket applications with Elysia on Bun. Covers routing, lifecycle hooks, TypeBox validation, Eden type-safe clients, authentication with JWT/Bearer, all official plugins (OpenAPI, CORS, JWT, static, cron, GraphQL, tRPC), testing patterns, and production deployment. Assumes bun-expert skill is active for Bun runtime expertise.