Travel

Complete mastery of essential modern web development libraries and dependencies. Cover Next.js, React, TypeScript, Tailwind CSS, Firebase, Zustand, redux-toolkit, react-hook-form, Zod, shadcn/ui, lucide-react, Stripe, and more. Learn setup, integration patterns, advanced usage, performance optimization, troubleshooting, common pitfalls, and version management. Includes quick reference guides, in-depth tutorials, complete examples for e-commerce and SaaS, configuration files, type definitions, error handling, and production patterns. Master how libraries work together and solve real-world challenges.

Fill gaps between checkpoints using hybrid GPS (70%) + address (30%) template matching with high confidence

Stripe Checkout integration for programme purchases with Server Actions, webhook signature verification, and success/cancel flows. Use when implementing payments, creating checkout sessions, handling webhooks, or setting up purchase flows.

Implements Stripe payments correctly the first time. Handles checkout sessions, webhooks, subscriptions, and customer management following Stripe best practices.

Enterprise-grade FastAPI development covering complete full-stack architecture with Next.js/React frontend, Neon Serverless PostgreSQL, SQLModel ORM, security hardening, payment integrations (Stripe, JazzCash, EasyPaisa), async patterns, real-time features, microservices, and production deployment. Use when building APIs, integrating with databases, implementing authentication/authorization, payment systems, real-time functionality, or deploying to production.

Use this skill when implementing teleportation, world travel, or instance management in SND macros using the Lifestream plugin. Covers aethernet teleportation, world changes, housing, and instance switching.

Integrates Stripe payments including checkout, subscriptions, webhooks, and customer management. Use when accepting payments, setting up subscriptions, handling webhooks, or managing billing.

Bidirectional sync between Markdown and Notion. Upload .md files with images to Notion pages/databases, append to existing pages, or download Notion content back to markdown. Supports rich formatting, tables, code blocks, GitHub-flavored markdown, and recursive page hierarchy downloads with YAML frontmatter for round-trip sync.

Stripe Checkout for one-time payments with Express.js. Auto-creates products if not configured.

Build stateful AI agents and agentic workflows with LangGraph in Python. Covers tool-using agents with LLM-tool loops, branching workflows, conversation memory, human-in-the-loop oversight, and production monitoring. Use when: (1) building agents that use tools and loop until task complete, (2) creating multi-step workflows with conditional branches, (3) adding persistence/memory across turns with checkpointers, (4) implementing human approval with interrupt(), (5) debugging via time-travel or LangSmith. Covers StateGraph, nodes, edges, add_conditional_edges, MessagesState, thread_id, Command objects, and ToolMessage handling. Examples include chatbots, calculator agents, and structured workflows.

Implement Stripe payment processing for robust, PCI-compliant payment flows including checkout, subscriptions, and webhooks. Use when integrating Stripe payments, building subscription systems, or implementing secure checkout flows.