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Found 2,002 Skills
[Pragmatic DDD Architecture] Guide for creating DDD Repositories (Interfaces and Infrastructure). Use when creating repository contracts or implementing them using Drizzle ORM, Zod, and Postgres. Enforces completely typed transactions with Drizzle Transaction types (no 'unknown'), Result returns for Railway-oriented programming via neverthrow, and mapping pg node errors to domain errors. Fits our docker-compose / drizzle-kit standard testing workflow.
[Pragmatic DDD Architecture] Guide for creating strictly typed Domain validation and infrastructure errors. Use when handling or creating new errors to ensure they conform to the Railway-oriented programming model (neverthrow Result), TypeScript error branding, and constructor parameter constraints. Covers co-location rules vs. shared domain error usage.
[Pragmatic DDD Architecture] Guide for Next.js 16 Proxy (formerly middleware), app router segments, layout composition, i18n URL localization, cookie management, and redirect strategies between public and protected routes. Use when updating proxy.ts, configuring public vs private environments, modifying the [locale] vs /dashboard routing structure, and appending headers.
[Pragmatic DDD Architecture] Guide for creating DDD Entities and Aggregates. Use when defining new domain entities with business rules, private state, and getters. Covers entity instantiation via objects, integration with Value Objects, and the rule against using setters.
[Pragmatic DDD Architecture] Guide for Server and Client components in Next.js App Router. Use when creating any .tsx file under presentation/components/, pages, or layouts — also when deciding whether to add "use client" to an existing component, passing data from a Server Component to a Client Component, composing Server content inside a Client slot, handling the VO serialization boundary, creating Compound Components, separating logic for Mobile/Desktop screens, or styling with `cva` and `cn`. Covers: Server vs Client decision, async Server Component patterns, creating getSession callbacks for Use Cases, Client Component restrictions, toBranded() boundary pattern, children slot composition, and props interface rules. Depends on 'use-cases' and 'server-actions'.
Guides users through documenting business flows step-by-step in EventCatalog. Use when user asks to "document a flow", "map a business process", "create a flow diagram", "walk through a process", "document an end-to-end flow", or "map out how something works in my architecture".
Deploys the complete SDD architecture with engram persistence and ai-context/ memory layer in the current project. Trigger: /project-setup, initialize new project, setup SDD, configure claude project.
EffectComposer setup and architecture for Three.js post-processing pipelines. Use when setting up multi-pass rendering, combining effects, creating custom passes, managing render targets, or building reusable effect stacks. Foundation skill for all post-processing work.
Expert skill for Capso, the open-source macOS screenshot and screen recording app built with Swift 6 and SwiftUI — covers architecture, building from source, package APIs, and contributing.
Use this skill when you are asked to adapt an existing web app to work as a World App mini app, or to share code between a web app and a mini app. This skill covers the technical steps of migration, common issues, and debugging tips. There will be some changes required to contracts and frontend code, but the overall architecture and user experience can remain largely unchanged.
Battle-tested PyTorch training recipes for all domains — LLMs, vision, diffusion, medical imaging, protein/drug discovery, spatial omics, genomics. Covers training loops, optimizer selection (AdamW, Muon), LR scheduling, mixed precision, debugging, and systematic experimentation. Use when training or fine-tuning neural networks, debugging loss spikes or OOM, choosing architectures, or optimizing GPU throughput.
MERN stack patterns including React with Vite, Express middleware, MongoDB schemas, API Gateway architecture, session management, error handling, and testing strategies. Activate for MERN development, microservices architecture, and full-stack JavaScript applications.