Total 30,538 skills, Backend Development has 2995 skills
Showing 12 of 2995 skills
Help with Stripe payment integration in Next.js projects. Use when implementing checkout flows, subscriptions, webhooks, customer portal, or debugging payment issues. Covers Stripe SDK usage, webhook verification, and subscription management.
IPv6 is THE first-class citizen. All code, tests, documentation, and configurations MUST be IPv6-first. IPv4 MAY be added only for legacy support as a second-class citizen.
Set up a new Inertia Rails project or add Inertia to an existing Rails application. Use when creating new projects, configuring Inertia, or setting up the development environment with React, Vue, or Svelte.
Best practices for Convex database queries, indexes, and filtering. Use when writing or reviewing database queries in Convex, working with `.filter()`, `.collect()`, `.withIndex()`, defining indexes in schema.ts, or optimizing query performance.
Adds a complete blog feature to an existing Blazor WebAssembly Static Web App with Azure Functions backend and Azure File Share for markdown storage. Use when implementing blog functionality in .NET Blazor WASM projects with Azure infrastructure. Includes post listing, detail pages, markdown rendering, Azure Storage integration.
Design and review Rails applications using layered architecture principles from "Layered Design for Ruby on Rails Applications". Use when analyzing Rails codebases, reviewing PRs for architecture violations, planning feature implementations, or implementing patterns like authorization, view components, or AI integration. Triggers on "layered design", "architecture layers", "abstraction", "specification test", "layer violation", "extract service", "fat controller", "god object".
Kotlin + Arrow typed error handling using Raise DSL and wrapper types (Either/Option/Ior/Result/nullable), including validation with accumulation, interop with exceptions, and custom error wrappers. Use for designing or refactoring error modeling, converting exception-based flows, building smart constructors, accumulating validation errors, or integrating Outcome/Progress-style wrappers with Arrow.
Integrate external DEX liquidity into Uniswap V4 via Aggregator Hooks. Use when user says "aggregator hook", "external liquidity", "wrap Curve/Balancer/Aerodrome", "route through external DEX", "V4 hook for non-Uniswap pools", "compare liquidity sources", or mentions integrating third-party AMM liquidity into Uniswap routing.
Use when working in a Ruby project - provides authoritative sources for documentation, typing, and tooling
Initialize a standardized Python project, including dependency management, code style checking, testing framework, version management, etc. This skill is triggered when users need to create a new Python project.
Multi-repo synthesis and reimagination. Load reverse-engineering docs from multiple repositories, extract a unified capability map, identify duplication and inefficiency, then brainstorm with the user to reimagine how those capabilities could work together in a new, better way. Generates new specifications for the reimagined system. The killer feature for enterprise modernization.
nginx C module directive design guidelines for creating admin-friendly configuration interfaces. This skill should be used when designing nginx module directives — deciding what to expose vs hardcode, naming conventions, scope placement, default values, variable design, and validation patterns. Triggers on tasks involving ngx_command_t design, directive naming, configuration API design, nginx module public interface, or directive deprecation.