Skill UI

This comprehensive guide details how to configure, integrate, and troubleshoot live email sending using Mailtrap. It covers two primary methods: the Email API (REST) and SMTP. Learn the differences between core email streams—transactional (app-generated notifications), bulk (promotional marketing), and batch requests (high-volume efficiency)—along with recommended integration patterns and specific technical endpoints.

Add and verify a Mailtrap sending domain: publish SPF, DKIM and DMARC records, troubleshoot DNS propagation, automate setup via API and DNS provider APIs, and complete compliance for live email sending.

Use Mailtrap Email Sandbox to capture and inspect outbound emails without sending them to real recipients. This is crucial for development, staging, and CI/CD environments. It allows developers to test email content, headers, attachments, and spam scores using dedicated APIs, SMTP settings, or SDKs, ensuring mail integrity before deployment. Ideal for automation and rigorous quality checks.

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.

A powerful Node CLI tool for sending both SMS and iMessage directly from a shell environment, script, or automation hook. It simplifies outbound communication by handling account setup and message sending without requiring a dedicated API client or webhook server. Ideal for cron jobs, CI/CD pipelines, and agent turn notifications.

A comprehensive toolkit for automating email workflows using SendGrid's API. It allows users to manage the entire email lifecycle, including setting up verified sender identities, creating and sending targeted marketing campaigns (Single Sends), and maintaining contact and list data. Use cases range from bulk contact list management to detailed campaign analytics and compliance adherence.

A comprehensive toolkit to automate core Slack workspace operations. Users can manage messaging (sending, updating, replying), perform advanced message searches, list and manage channels and users, and handle reactions and threaded conversations. Ideal for integrating Slack into automated business workflows.

This skill provides comprehensive, programmatic automation capabilities for the Telegram platform via Rube MCP. Users can manage virtually every aspect of Telegram interaction, including sending various media types (text, photos, documents), retrieving detailed chat information, listing members, editing and deleting messages, and setting custom bot commands. It is essential for building sophisticated, automated bot workflows and integrations.

TextMe is a local daemon that transforms your smartphone into a powerful remote control for Claude Code sessions. By bridging inbound iMessages (from whitelisted numbers) through services like Sendblue, users can interact with their AI session on their laptop, executing code, navigating filesystems, sending voice notes, and receiving real-time updates. Ideal for supervising headless workstations or coding while away from your desk.

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.

This skill fetches public webpages and converts them into clean Markdown format suitable for AI agents. It allows users to read, summarize, quote, or cite webpage content while preserving the original source URL. The workflow involves sending a GET request to a specific endpoint to retrieve the rendered content. It is designed for read-only access and does not support private pages or content modification.

Ten rules that keep coding agents from re-sending bloated context on every call: locate before reading, compute instead of dumping data, bound noisy command output, never re-read, batch parallel calls and answer lean. Cuts token cost ~32% with unchanged pass rates.