Total 50,653 skills, Backend Development has 4147 skills
Showing 12 of 4147 skills
Complete guide for Marginfi - Solana's decentralized lending protocol for lending, borrowing, leveraged positions(looping) and flash loans. Covers account creation, deposits, borrows, repayments, withdrawals, flash loans, and leveraged positions using the @mrgnlabs/marginfi-client-v2 SDK.
Sets up Enonic XP event listeners, webhook configurations, and external system integrations triggered by content lifecycle events. Covers lib-event listener registration, node event filtering, outbound webhook configuration via com.enonic.xp.webhooks.cfg, custom HTTP service controllers for inbound webhooks, task-based async processing with lib-task, and outbound HTTP calls with lib-httpClient. Use when listening for content publish/create/update/delete events, configuring outbound webhooks, building HTTP service endpoints for inbound webhooks, or triggering async processing on content changes. Do not use for content querying, frontend component development, non-Enonic event systems, or GitHub webhook configuration.
Use when designing, planning, implementing, or reviewing any non-trivial change — enforces stateless design, efficient resource usage, and architectural patterns that handle 10x-100x growth without redesign
Use when designing, planning, implementing, or reviewing any non-trivial change — enforces graceful degradation, proper error handling, retry strategies, and fault-tolerant patterns so systems stay up when things go wrong
Java logging best practices with SLF4J, structured logging (JSON), and MDC for request tracing. Includes AI-friendly log formats for Claude Code debugging. Use when user asks about logging, debugging application flow, or analyzing logs.
Apply when scoping, reviewing, or documenting cross-cutting VTEX commerce architecture across storefront, IO, headless, marketplace, payments, or any other VTEX module. Grounds work in the Well-Architected Commerce framework—Technical Foundation (reliability, trust, integrity; security, infrastructure, compliance), Future-proof (innovation, simplicity, efficiency; scalable and adaptable solutions), and Operational Excellence (accuracy, accountability, data-driven improvement; process and customer experience). Routes implementation detail to product tracks (IO caching and paths, Master Data strategy, marketplace integrations). Use for solution design, architecture reviews, and RFP-level technical structure.
Review Express.js security audit patterns for middleware and routes. Use for auditing Helmet.js, CORS, body-parser limits, and auth middleware. Use proactively when reviewing Express.js apps. Examples: - user: "Secure my Express app" → add Helmet.js and disable x-powered-by - user: "Check Express CORS config" → verify origin allowlists and credentials - user: "Review Express auth middleware" → check route order and coverage - user: "Scan for Express path traversal" → verify path normalization and validation - user: "Audit Express session config" → check secure, httpOnly, and sameSite flags
Directa24 integration. Manage data, records, and automate workflows. Use when the user wants to interact with Directa24 data.
Use when contributing to the GLIDE client - Rust core internals, language bindings (PyO3/JNI/NAPI/CGO/FFI), protocol layer, PubSub synchronizer, cluster topology, and build system. For using GLIDE in apps, see valkey-glide instead.
주기적 실행 Cron 작업 코드를 생성하는 스킬. node-cron 기반 TypeScript Service + 로그 기록 + server.ts 통합. "크론 작업", "주기적 실행", "스케줄러 생성" 키워드로 트리거.
Deno integration. Manage data, records, and automate workflows. Use when the user wants to interact with Deno data.
Comprehensive validation patterns for ASP.NET Core applications. Covers FluentValidation integration, DataAnnotations, IValidatableObject, IValidateOptions<T>, MediatR pipeline behavior, and client-side validation. Use when implementing validation in ASP.NET Core applications, setting up FluentValidation, creating custom validators, configuring options validation, or implementing cross-field validation.