Tools

Craft Substack newsletter posts optimized for engagement, open rates, and subscriber growth.Use when writing headlines/subject lines, structuring posts, crafting hooks, writing teasersfor next issues, or adapting content between newsletter and Notes. Includes email-firstoptimization, the cliff-hanger technique, SEO integration, and Spanish-language patterns.

Creates, validates, and updates GitHub Actions workflows for CI/CD. Covers build, test, Maven Central publishing, code quality analysis, Docker builds, and Kubernetes deployments.

When editing KINTSUGI notebook modules (Kdecon, Kstitch, Kreg, etc.), always edit the main repo first then sync to project folders

Design durable workflows with Temporal for distributed systems. Covers workflow vs activity separation, saga patterns, state management, and determinism constraints. Use when building long-running processes, distributed transactions, or microservice orchestration.

OpenAI SDK development with GPT-5 family, Chat Completions, Responses API, embeddings, and tool calling. Use for AI-powered applications, chatbots, agents, and semantic search.

모니터링 및 관측성 스킬. Langfuse 트레이싱, Prometheus 메트릭, 로깅 관련 작업 시 자동으로 활성화됩니다. trace, metric, log, alert, dashboard 키워드에 반응합니다.

Expert Debian package builder specializing in git-buildpackage, debhelper, and Debian Policy compliance. Use for .deb packaging, debian/ directory work, dpkg operations, and package maintenance. Triggers on "Debian", ".deb", "dpkg", "debhelper", "gbp", "pbuilder", "lintian", "dch".

Execute implementation plans in batches with review checkpoints

Structure n8n nodes correctly with INodeTypeDescription, resource-operation patterns, and proper package.json configuration. Use this skill when creating new *.node.ts files, defining INodeTypeDescription properties, implementing resource and operation parameters, building trigger nodes, organizing complex nodes into actions folders, or configuring the n8n section in package.json. Apply when choosing between declarative and programmatic styles, setting up node metadata, or structuring community node packages.

Generates end-to-end tests for complete user workflows

Expert guidance for building mobile applications with React Native and Expo. Use when the user asks to create, modify, debug, or architect mobile apps, implement native features (camera, notifications, storage, navigation), set up React Native projects, work with Expo or bare React Native workflows, integrate with device APIs, handle app state management, or optimize mobile performance. Triggers on mobile app development, React Native, Expo, iOS/Android cross-platform development.

Development stack standards - five-level maturity model, dimension specs, assessment criteria, tool guidance

Manage git worktrees for parallel branch development and PR reviews.Use when asked about: worktrees, working on multiple branches, parallel development,PR review without switching, testing without committing, multiple features simultaneously,long-running builds, comparing branches side-by-side.Integrates with: feature workflow, Azure DevOps work items, GitHub PRs.

Comprehensive Firebase skill for TypeScript/Next.js 16 projects. Use when configuring Firebase services (Firestore Client SDK with aggregations/vector search, Authentication, Storage, Cloud Functions v2, FCM push notifications, App Check bot protection), implementing security rules and indexes, troubleshooting Firebase errors, setting up auth providers (email/password, Google Sign-In), configuring VAPID keys for notifications, custom action URLs, reCAPTCHA Enterprise, replay protection, or resolving permission issues. Covers TypeScript patterns, Next.js 16 SSR/App Router integration, and common pain points like CORS, duplicate documents, notification setup, and bot abuse prevention.

Convex React client - hooks, real-time updates, optimistic updates, pagination, and UI patterns

Use when adding Jest testing configuration to Nx projects, running `nx g @nx/jest:configuration`, setting up testing infrastructure, or troubleshooting tests that fail after running the Jest generator. Ensures proper TypeScript moduleResolution (nodenext), testing enhancement libraries (jest-dom, user-event, MSW), and monorepo pattern adherence. Triggers: "add tests", "setup Jest", "configure testing", "Jest not working", "moduleResolution error", "tests failing after generator"

Runtime debugging workflow with log collection. Use when fixing bugs that require runtime evidence. Starts a log server, instruments code, collects logs during reproduction, and analyzes them to fix issues. Invoke with project path argument.

AI video generation with Sora, Veo, and Kling. Use when creating Reels, video prompts, or handling video generation workflows.

Monitor message queues, job processing, and detect backpressure

Use this skill when you are writing commands, hooks, skills for Agent, or prompts for sub agents or any other LLM interaction, including optimizing prompts, improving LLM outputs, or designing production prompt templates.