# sabahattink > Open-source publisher. Listings imported from github.com/sabahattink — credited to the original author with their license. - **Listings:** 28 - **Total installs:** 0 - **Profile:** https://agentstack.voostack.com/s/sabahattink - **Website:** https://github.com/sabahattink ## Published listings - [Software Architecture](https://agentstack.voostack.com/l/skill-sabahattink-antigravity-fullstack-hq-software-architecture) — Skill · Free · security-reviewed — `agentstack add skill-sabahattink-antigravity-fullstack-hq-software-architecture` System design patterns, Clean Architecture, SOLID principles, domain modeling. Use when making architectural decisions, designing new modules, refactoring a tangled codebase, or reviewing system design. - [Skill Creator](https://agentstack.voostack.com/l/skill-sabahattink-antigravity-fullstack-hq-skill-creator) — Skill · Free · security-reviewed — `agentstack add skill-sabahattink-antigravity-fullstack-hq-skill-creator` How to create new skills for this HQ — format, frontmatter, content structure. Use when you need to add a new skill to this repository, or when reviewing whether an existing skill is well-formed. - [Webapp Testing](https://agentstack.voostack.com/l/skill-sabahattink-antigravity-fullstack-hq-webapp-testing) — Skill · Free · security-reviewed — `agentstack add skill-sabahattink-antigravity-fullstack-hq-webapp-testing` Playwright E2E patterns, Testing Library component tests, test selectors. Use when writing browser tests, component tests, or setting up an E2E testing pipeline for a Next.js or React app. - [Docker Patterns](https://agentstack.voostack.com/l/skill-sabahattink-antigravity-fullstack-hq-docker-patterns) — Skill · Free · security-reviewed — `agentstack add skill-sabahattink-antigravity-fullstack-hq-docker-patterns` Dockerfile best practices, multi-stage builds, docker-compose for dev/prod. Use when setting up containerization for a NestJS backend or Next.js frontend, or configuring a local dev environment with docker-compose. - [Nestjs Patterns](https://agentstack.voostack.com/l/skill-sabahattink-antigravity-fullstack-hq-nestjs-patterns) — Skill · Free · security-reviewed — `agentstack add skill-sabahattink-antigravity-fullstack-hq-nestjs-patterns` NestJS best practices, module architecture, DTOs, Guards, Interceptors, and common patterns. Use when building or reviewing NestJS backend services. - [Github Actions](https://agentstack.voostack.com/l/skill-sabahattink-antigravity-fullstack-hq-github-actions) — Skill · Free · security-reviewed — `agentstack add skill-sabahattink-antigravity-fullstack-hq-github-actions` CI/CD workflow patterns, testing pipelines, deployment automation. Use when setting up GitHub Actions workflows for testing, building, linting, or deploying a fullstack app. - [Prompt Engineering](https://agentstack.voostack.com/l/skill-sabahattink-antigravity-fullstack-hq-prompt-engineering) — Skill · Free · security-reviewed — `agentstack add skill-sabahattink-antigravity-fullstack-hq-prompt-engineering` Comprehensive prompt engineering framework for designing, optimizing, and iterating LLM prompts. Use when creating prompts, optimizing existing prompts, or improving AI instructions. - [Tailwind Patterns](https://agentstack.voostack.com/l/skill-sabahattink-antigravity-fullstack-hq-tailwind-patterns) — Skill · Free · security-reviewed — `agentstack add skill-sabahattink-antigravity-fullstack-hq-tailwind-patterns` Tailwind CSS v4 patterns, component styling, dark mode, responsive design, and design system integration. Use when styling components or reviewing CSS. - [Brainstorming](https://agentstack.voostack.com/l/skill-sabahattink-antigravity-fullstack-hq-brainstorming) — Skill · Free · security-reviewed — `agentstack add skill-sabahattink-antigravity-fullstack-hq-brainstorming` Structured brainstorming techniques, idea generation, trade-off analysis. Use when exploring design options, choosing between architectural approaches, generating feature ideas, or making technology decisions. - [Prisma Workflow](https://agentstack.voostack.com/l/skill-sabahattink-antigravity-fullstack-hq-prisma-workflow) — Skill · Free · security-reviewed — `agentstack add skill-sabahattink-antigravity-fullstack-hq-prisma-workflow` Prisma ORM best practices, schema design, migrations, seeding, and query optimization for PostgreSQL. Use when working with database schemas, migrations, or Prisma queries. - [Api Design Patterns](https://agentstack.voostack.com/l/skill-sabahattink-antigravity-fullstack-hq-api-design-patterns) — Skill · Free · security-reviewed — `agentstack add skill-sabahattink-antigravity-fullstack-hq-api-design-patterns` REST API design, versioning, error responses, pagination, OpenAPI conventions. Use when designing new API endpoints, reviewing API contracts, or setting up Swagger/OpenAPI documentation. - [Frontend Design](https://agentstack.voostack.com/l/skill-sabahattink-antigravity-fullstack-hq-frontend-design) — Skill · Free · security-reviewed — `agentstack add skill-sabahattink-antigravity-fullstack-hq-frontend-design` UI component design principles, visual hierarchy, spacing, typography for Next.js apps. Use when building or reviewing React/Next.js components, setting up design tokens, or establishing visual consistency. - [Backend Dev Guidelines](https://agentstack.voostack.com/l/skill-sabahattink-antigravity-fullstack-hq-backend-dev-guidelines) — Skill · Free · security-reviewed — `agentstack add skill-sabahattink-antigravity-fullstack-hq-backend-dev-guidelines` Backend architecture principles, layering, error handling, logging patterns for NestJS. Use when designing NestJS modules, writing service logic, structuring error handling, or setting up structured logging. - [React Best Practices](https://agentstack.voostack.com/l/skill-sabahattink-antigravity-fullstack-hq-react-best-practices) — Skill · Free · security-reviewed — `agentstack add skill-sabahattink-antigravity-fullstack-hq-react-best-practices` React component patterns, hooks, state management, and performance best practices. Use when building or reviewing React components. - [Typescript Patterns](https://agentstack.voostack.com/l/skill-sabahattink-antigravity-fullstack-hq-typescript-patterns) — Skill · Free · security-reviewed — `agentstack add skill-sabahattink-antigravity-fullstack-hq-typescript-patterns` TypeScript type system patterns, generics, utility types, and strict mode best practices. Use when writing or reviewing TypeScript code. - [Auth Patterns](https://agentstack.voostack.com/l/skill-sabahattink-antigravity-fullstack-hq-auth-patterns) — Skill · Free · security-reviewed — `agentstack add skill-sabahattink-antigravity-fullstack-hq-auth-patterns` JWT access/refresh tokens, Passport.js strategies, session management, OAuth. Use when implementing authentication, authorization, or setting up OAuth providers in a NestJS + Next.js app. - [Systematic Debugging](https://agentstack.voostack.com/l/skill-sabahattink-antigravity-fullstack-hq-systematic-debugging) — Skill · Free · security-reviewed — `agentstack add skill-sabahattink-antigravity-fullstack-hq-systematic-debugging` Debugging methodology, hypothesis testing, reading stack traces, isolating issues. Use when facing an unexpected bug, a flaky test, a production incident, or any situation where the cause isn't immediately obvious. - [Code Review Patterns](https://agentstack.voostack.com/l/skill-sabahattink-antigravity-fullstack-hq-code-review-patterns) — Skill · Free · security-reviewed — `agentstack add skill-sabahattink-antigravity-fullstack-hq-code-review-patterns` Code review checklist, what to look for, how to give feedback, PR review flow. Use when reviewing a pull request, or when preparing code for review. - [Git Workflow](https://agentstack.voostack.com/l/skill-sabahattink-antigravity-fullstack-hq-git-workflow) — Skill · Free · security-reviewed — `agentstack add skill-sabahattink-antigravity-fullstack-hq-git-workflow` Git branching strategy, commit messages, PR workflow, conflict resolution. Use when setting up a branching strategy, writing commit messages, creating pull requests, or resolving merge conflicts. - [Test Driven Development](https://agentstack.voostack.com/l/skill-sabahattink-antigravity-fullstack-hq-test-driven-development) — Skill · Free · security-reviewed — `agentstack add skill-sabahattink-antigravity-fullstack-hq-test-driven-development` TDD red-green-refactor cycle, test structure, mocking patterns for Vitest/Jest. Use when starting a new feature, fixing a bug, or refactoring — write the test first, then the implementation. - [Nextjs App Router](https://agentstack.voostack.com/l/skill-sabahattink-antigravity-fullstack-hq-nextjs-app-router) — Skill · Free · security-reviewed — `agentstack add skill-sabahattink-antigravity-fullstack-hq-nextjs-app-router` Next.js App Router best practices, Server Components, Server Actions, routing patterns, and data fetching strategies. Use when building Next.js applications with the App Router. - [Docx Official](https://agentstack.voostack.com/l/skill-sabahattink-antigravity-fullstack-hq-docx-official) — Skill · Free · security-reviewed — `agentstack add skill-sabahattink-antigravity-fullstack-hq-docx-official` Generating Word documents programmatically with docx library in Node.js. Use when generating .docx reports, contracts, invoices, or any structured Word document from data. - [Security Checklist](https://agentstack.voostack.com/l/skill-sabahattink-antigravity-fullstack-hq-security-checklist) — Skill · Free — `agentstack add skill-sabahattink-antigravity-fullstack-hq-security-checklist` OWASP Top 10, input validation, SQL injection prevention, rate limiting, CORS. Use when reviewing code for security issues, setting up a new API, or doing a pre-deploy security audit. - [Pptx Official](https://agentstack.voostack.com/l/skill-sabahattink-antigravity-fullstack-hq-pptx-official) — Skill · Free · security-reviewed — `agentstack add skill-sabahattink-antigravity-fullstack-hq-pptx-official` Generating PowerPoint presentations with pptxgenjs in Node.js. Use when creating automated presentations, slide decks, pitch decks, or reports in .pptx format from data. - [Deployment Guide](https://agentstack.voostack.com/l/skill-sabahattink-antigravity-fullstack-hq-deployment-guide) — Skill · Free — `agentstack add skill-sabahattink-antigravity-fullstack-hq-deployment-guide` Vercel frontend + Railway/Fly.io backend deployment, env vars, health checks. Use when deploying a Next.js frontend to Vercel or a NestJS backend to Railway or Fly.io, or troubleshooting a deployment issue. - [Pdf Official](https://agentstack.voostack.com/l/skill-sabahattink-antigravity-fullstack-hq-pdf-official) — Skill · Free · security-reviewed — `agentstack add skill-sabahattink-antigravity-fullstack-hq-pdf-official` Generating PDFs with pdfkit or puppeteer in Node.js. Use when generating PDF reports, invoices, certificates, or any printable document from data or HTML templates. - [Web Design Guidelines](https://agentstack.voostack.com/l/skill-sabahattink-antigravity-fullstack-hq-web-design-guidelines) — Skill · Free · security-reviewed — `agentstack add skill-sabahattink-antigravity-fullstack-hq-web-design-guidelines` Web design best practices, accessibility, responsive layout, color contrast. Use when auditing a UI for a11y compliance, designing responsive layouts, or establishing design standards across a web app. - [Xlsx Official](https://agentstack.voostack.com/l/skill-sabahattink-antigravity-fullstack-hq-xlsx-official) — Skill · Free · security-reviewed — `agentstack add skill-sabahattink-antigravity-fullstack-hq-xlsx-official` Generating Excel files with xlsx/exceljs in Node.js. Use when generating .xlsx reports, data exports, dashboards, or spreadsheets from database data. --- Seller on AgentStack — the marketplace for AI agent skills and MCP servers. Every listing is security-reviewed. Install any with `agentstack add `.