Implement, review, or improve in-app purchases and subscriptions using StoreKit 2. Use when building paywalls with SubscriptionStoreView or ProductView, processing transactions…
StoreKit 2 in-app purchases and subscriptions in Swift — Product fetch, purchase flow, transaction verification, entitlement checks, Transaction.updates listener, restore, and…
Storybook configuration, stories, addons, interaction testing, and documentation.
To develop, test, and document UI components in isolation from the main application. Use when: Building a Design System; Visual testing; Collaborating with designers.
Storybook patterns: CSF3 (meta satisfies Meta, play functions, @storybook/test), addon ecosystem (a11y, interactions, docs), MSW integration for API mocking, Chromatic CI,…
Use when configuring, writing, or debugging Stove end-to-end tests; choosing JVM, process, container, or provided-application runners; wiring Stove systems; enabling tracing,…
§ 35 BtMG Zurueckstellung der Strafvollstreckung zugunsten einer Therapie. Voraussetzungen Abhaengigkeit, Reststrafe bis zwei Jahre, Therapiezusage.
Validate that documentation, READMEs, and onboarding guides are comprehensible to someone with zero prior context.
Strapi is the leading open-source headless CMS built with Node.js and TypeScript. It auto-generates REST and GraphQL APIs from content types, provides a customizable admin panel,…
DRY, KISS, SRP 원칙에 대해서 코드 리뷰를 수행합니다. 코드 품질 검토, 리팩터링 기회 식별, 중복 코드 감지, 복잡한 로직 단순화에 특화되어 있습니다.
Strategic Domain-Driven Design — Subdomain classification (Core/Supporting/Generic), Context Mapping (7 relationship patterns), Bounded Context design, and Event Storming.
Automatically guide users through Brene Brown's 5 Cs of Strategic Thinking (Context, Color, Connective Tissue, Cost, Consequence) when making significant decisions.
Arbeitsweise und Denkweise für die (Weiter-)Entwicklung der simon42 Dashboard Strategy — Architektur-Leitplanken, Qualitäts-Gates, Kreuzauswirkungs-Check, Umgang mit Community-PRs…
Use when reviewing, critiquing, or stress-testing an existing strategy document. Evaluates seven dimensions \u2014 diagnosis quality, guiding policy strength, action coherence,…
Software architecture modeling, evaluation, and Structurizr DSL generation based on C4 model methodology. Use when C4 model design or visualization is needed.
Expert guidance for Vercel's Streamdown library - a streaming-optimized react-markdown replacement for AI applications.
Use when setting up real-time data streaming from Salesforce to external systems using the Streaming API (PushTopic, Generic Streaming), CometD client configuration, replay, and…
Implement real-time data streaming with Server-Sent Events (SSE), WebSockets, and ReadableStream APIs.
LiteLLM-RS Streaming Architecture. Covers UnifiedSSEParser, SSETransformer trait, VecDeque buffering, provider-specific transformers, and real-time event handling.
Identify "eventable points" in a Lerian Go service where lib-streaming should emit business events to per-tenant SaaS subscribers.
Streaming Inference Setup - Auto-activating skill for ML Deployment. Triggers on: streaming inference setup, streaming inference setup Part of the ML Deployment skill category.
Kafka Streams, Flink, Spark Streaming, and CDC for real-time data pipelines. Activate on: streaming, Kafka Streams, Flink, Spark Streaming, CDC, Debezium, real-time pipeline,…
Writes a pitch document for a streaming platform commissioning or acquisitions team, covering the project's format, target audience fit, platform-specific positioning, and the…
Streamlit app patterns for layout, state management, data display, and deployment. Invoke with /streamlit.
Take a Stryker summary.json (from n8n:mutation-test), triage the surviving mutants by user-reachable-behaviour risk, write minimal assertion changes to kill the top 3-5…
Run AgentDojo benchmark environments to evaluate prompt-injection attacks and defenses against LLM agents before trusting them with real tools or data.
Stress Test Config - Auto-activating skill for Performance Testing. Triggers on: stress test config, stress test config Part of the Performance Testing skill category.
Stress-test eligibility criteria against the addressable population and site capacity before the protocol locks, since restrictive criteria are the biggest enrollment killer.
Run mutation testing against JS or TS projects to find tests that still pass when real defects are introduced.
Stress-test your product through 6 adversarial decision-maker personas -- skeptical board member, activist investor, power user, churned customer, competitor CEO, and enterprise…
Use mutation testing to expose weak Python tests before merge or release by checking which code changes survive the current test suite.
Strict RED->GREEN->REFACTOR test-driven development with enforcement. Never write production code before a failing test. Atomic commits per TDD cycle.
Enforces TypeScript best practices when writing code. Automatically enables strict typing for TypeScript projects, prevents `any` usage, and recommends generic constraints.
Clean exported Kubernetes manifests by removing status and other runtime-generated fields before diffing, review, or migration work.
Stripe payment integration guidelines for TypeScript, React, Next.js with secure payment processing and subscription management
The official Stripe Agent Toolkit provides Python and TypeScript libraries plus a hosted MCP server for integrating Stripe payment APIs with AI agent frameworks.
Use when working with Stripe API fundamentals, webhooks, authentication, error handling, CLI, or testing.
Manages Stripe Connect onboarding flows using the stripe-node SDK. Handles account creation, capability requests, OAuth redirects, and payout scheduling via the Stripe Accounts…
Use when implementing game payments, in-app purchases, subscriptions, Stripe webhooks, or monetization flows.
Master Stripe payment processing integration for robust, PCI-compliant payment flows including checkout, subscriptions, webhooks, and refunds.
Implement Stripe payment processing for robust, PCI-compliant payment flows including checkout, subscriptions, and webhooks.
Implement production-grade Stripe integrations for SaaS billing. Covers subscription lifecycle management, checkout sessions, plan upgrades/downgrades with proration, usage-based…
Stripe webhook integration in Rails 8 — Stripe::Webhook.construct_event for signature + timestamp verification, idempotency via event.id, the canonical event types to handle…
Receive and verify Stripe webhooks. Use when setting up Stripe webhook handlers, debugging signature verification, or handling payment events like payment_intent.succeeded,…
Structured logging for Python applications with context support and powerful processors
Modern, powerful structured logging for Python using structlog. Use when adding or improving logging in Python projects, configuring structlog for dev/production, working with…
Strukturelles Debugging. Methodik und Execution Control für Fehleranalyse und -behebung in Software-Systemen. Aktivieren bei Debugging-Aufgaben (außerhalb von PCF-Projekten).
Use whenever an analysis estimates the PRIMITIVES of an economic model rather than a reduced-form relationship — preferences/utility, costs, information/consideration, search, or…
Search code by AST structure using ast-grep. Find semantic patterns like function calls, imports, class definitions instead of text patterns.
Linear algebra and higher-dimensional thinking. Vectors, matrices, transformations — the architecture of mathematical space.
Use when organizing a shared backend infrastructure library that many services depend on (e.g. @org/infra-*) — how to split it into focused packages by dependency weight, expose…
Help users design and organize project structure. Invoke when user needs to plan or organize project architecture and folder structure.
Organize Swift source trees and oversized Swift files by feature, layer, and declaration group; split large files, normalize `// MARK:` sections, enforce plain-language…
AI DevKit · Guide structured debugging before code changes by clarifying expected behavior, reproducing issues, identifying likely root causes, and agreeing on a fix plan with…
Guide for writing effective log messages using wide events / canonical log lines. Use when writing logging code, adding instrumentation, improving observability, or reviewing log…
Implement JSON-based structured logging for observability. Use when setting up logging, debugging production issues, or preparing for log aggregation (ELK, Datadog).
Use when designing log schemas, choosing JSON vs text logs, setting up correlation IDs across services, redacting PII, controlling log volume costs, or wiring logs into…
Design a structured (JSON) logging strategy with a stable field schema, correlation-ID propagation, and a disciplined level policy — then migrate ad-hoc string logs toward it.
Logging system design guide covering centralized architecture, field standards, and distributed tracing.
Performs a structured five-stage code review covering requirements compliance, correctness, code quality, testing, and security/performance.