Skill UI

Master Inngest for building serverless-first background jobs and event-driven workflows without managing queues or workers. Learn durable execution, automatic retries, concurrency control, and idempotency patterns. Ideal for Next.js, Express, and serverless platforms like Vercel and Cloudflare Workers.

This skill provides language-specific super-code guidelines for Java development. It covers idiomatic patterns for streams, collections, optional handling, records, switch expressions, concurrency, and error handling. It also lists common anti-patterns to avoid, ensuring efficient and modern Java code.

Build enterprise agents for Microsoft 365, Teams, and Copilot Studio using the Microsoft 365 Agents SDK with Express hosting, AgentApplication routing, streaming responses, and Copilot Studio client integrations.

Validate and fix n8n expression syntax in workflows. Covers {{}} syntax, $json/$node variables, webhook data access, and common pitfalls like Code nodes and credential fields. Includes practical examples for webhook-to-Slack and HTTP-to-Email integrations.

Expert guide for interpreting and fixing n8n validation errors, covering missing_required, invalid_value, expression failures, and iterative validate-fix loops. Provides concrete remediation guidance for workflow validation output.

This skill generates and validates Odoo XML view definitions for Form, List, Kanban, Search, Calendar, and Graph views. It supports Odoo versions 14 through 17, ensuring correct visibility syntax and widget usage. Ideal for customizing model interfaces and migrating from deprecated attrs to inline expressions.

This skill covers comprehensive PayPal payment integration, including Express Checkout, Instant Payment Notification (IPN) handling, recurring billing setups, and refund workflows. It guides developers on implementing both client-side JavaScript SDKs and server-side REST APIs for secure transaction processing. Learn to manage subscriptions, payouts, and webhook verifications effectively.

Plotly is a Python library for creating interactive, publication-quality visualizations with over 40 chart types. Ideal for dashboards, exploratory analysis, and presentations requiring hover, zoom, and pan features. Supports both high-level Plotly Express and low-level Graph Objects APIs for flexible data representation.

This guide provides comprehensive patterns for designing and implementing secure multi-tenant SaaS applications using shared databases. It covers critical techniques like Row-Level Security (RLS) in PostgreSQL, implementing tenant-aware middleware in TypeScript (Express/Fastify), and enforcing data scoping at the ORM level (Prisma/Drizzle). Learn how to prevent data leakage and manage tenant isolation across shared schemas.

This skill provides pre-configured project scaffolding templates for initiating new applications from scratch. It covers 12 diverse technology stacks including Next.js, Express, Python FastAPI, React Native, Flutter, and more. Users can select the appropriate template based on their project type, such as full-stack web apps, APIs, mobile applications, or desktop software. It streamlines the setup process by offering ready-made structures and configurations tailored to specific development needs.

Official M2MCent wrapper for injecting x402 paywalls into Node.js/Express APIs or Model Context Protocol (MCP) servers. Enables machine-to-machine monetization by requiring USDC micropayments on Base L2. Includes middleware for Express routes and handles settlement automatically.

Fetches courier coupons from a public API covering major Chinese couriers (SF Express, ZTO, YTO, Yunda, STO, Cainiao). Provides coupon codes, claim guidelines, and QR codes for redemption via WeChat. Useful for users seeking parcel delivery discounts.