Skill UI

A comprehensive toolkit for automating various Discord operations, including sending messages (DMs and channels), managing user roles, creating and executing webhooks, and controlling message reactions. It utilizes Rube MCP and dedicated `discord` and `discordbot` toolkits, providing deep programmatic control over Discord interactions and administrative tasks.

Expert patterns for HubSpot CRM integration covering OAuth authentication, CRM objects, associations, batch operations, webhooks, custom objects, and Node.js/Python SDKs.

This skill enforces a rigorous data validation protocol by establishing hard boundaries at every point data enters the system (API requests, user input, environment variables, webhooks, etc.). It mandates a four-phase process: detection, trust classification, mandatory filtering (schema validation, sanitization, type checking), and final verification. This prevents untrusted data from reaching core business logic, mitigating risks like SQL injection and XSS.

This skill provides comprehensive strategies and technical blueprints for monetizing digital products, especially SaaS platforms. It covers everything from defining advanced pricing models (freemium, value-based pricing) and optimizing revenue flows (LTV/CAC, churn prevention) to practical Stripe integrations. Use it when you need to set up subscription plans, process webhooks, or implement automated billing cycles for your software.

API-first control plane for reply-aware cold outbound email workflows, managing inboxes, contacts, templates, sequences, approvals, pacing, webhooks, and delivery metrics for AI agents.

A comprehensive engineering stack for designing and implementing robust, production-grade payment gateways for Software-as-a-Service (SaaS) platforms targeting the Pakistani market. It covers integrating major local providers like JazzCash and Easypaisa, handling complex payment flows (PKR billing, webhooks, idempotency), and performing essential financial reconciliation and auditing processes. This guide ensures high correctness and reliability in B2B/SaaS billing operations in Pakistan.

A comprehensive REST API for sending and receiving multi-channel messages, including iMessage (blue bubbles), SMS, and RCS. This skill allows developers to integrate messaging capabilities into server-side applications, supporting advanced features such as group messaging, reactions, typing indicators, and status callbacks. It also handles inbound messages via webhooks, making it ideal for building robust, real-time communication services that require programmatic control over messaging lifecycles.

Build Shopify apps, extensions, and themes using GraphQL Admin API, Shopify CLI, Polaris UI, and Liquid templating. Customize checkout, admin UI, and POS actions. Integrate with Shopify APIs, implement webhooks, and manage metafields for e-commerce solutions.

Implement and verify Stripe checkout, subscriptions, webhooks, and refunds with explicit server-side authorization. Covers payment flows, webhook handling, subscription management, and customer management. Provides code patterns for hosted checkout, payment intents, and setup intents. Emphasizes security boundaries and proper use of test accounts.

This skill provides comprehensive integration with the Telegram Bot API, covering setup via BotFather, message handling, webhooks, inline keyboards, groups, and channels. It includes boilerplate code for Node.js and Python to help developers quickly build and deploy messaging bots without starting from scratch.

A comprehensive toolkit for integrating with the official WhatsApp Business Cloud API (Meta). Supports message sending, template management, webhooks (HMAC-SHA256), and advanced customer service automation. Provides ready-to-use boilerplates in Node.js and Python, facilitating scalable and professional communication solutions.