send-email

Send transactional, notification, and bulk emails via the Resend API.

417|7|Updated Jan 12, 2026
One-click install
npx skills add https://github.com/Asymmetric-al/core --skill send-email-asymmetric-al
Or copy as Structured Prompt for Agent
Please help me install this Agent Skill.
Skill: send-email
Source: https://github.com/Asymmetric-al/core/tree/main/.cursor/skills/resend/send-email
Command: npx skills add https://github.com/Asymmetric-al/core --skill send-email-asymmetric-al

SYSTEM DOCUMENTATION & REQUIREMENTS

💡 This Skill includes scripts (resource) and references (resource) components.

What problem does it solve?

This Skill enables sending transactional emails (like welcome messages, order confirmations, password resets), notifications, and bulk emails reliably and efficiently using the Resend API.

Core Features & Use Cases

  • Single Email Sending: For individual emails, attachments, or scheduled sends.
  • Batch Email Sending: For sending multiple distinct emails in a single API call (up to 100).
  • Deliverability Best Practices: Guides on SPF, DKIM, DMARC, domain warm-up, and avoiding spam filters.
  • Tracking & Webhooks: Options for open/click tracking and real-time event notifications.
  • Use Case: Automatically send a welcome email to new users upon signup, confirm an order after purchase, or notify users of a password reset.

Quick Start

Use the send-email skill to send a welcome email to '[email protected]' with the subject 'Welcome Aboard!'.

Frequently Asked Questions about send-email

High-intent search queries and answers about installing and using this skill.

FAQPage Schema
How do I send transactional emails via the Resend API?

To send transactional emails via the Resend API, you can use this functionality to facilitate single email sends, including options for attachments and scheduled deliveries for notifications like password resets.

Can I send bulk transactional emails in a single API call?

Yes, you can send bulk transactional emails by using the batch sending feature, which allows you to send up to 100 distinct emails efficiently within a single API call.

How do I track email opens and clicks using Resend webhooks?

Tracking email opens and clicks using Resend webhooks involves integrating real-time event tracking to receive notifications for email interactions and monitor deliverability metrics.

What are the best practices for transactional email deliverability and avoiding spam filters?

Best practices for transactional email deliverability and avoiding spam filters include configuring SPF, DKIM, and DMARC records, alongside performing domain warm-up to ensure reliable email sending.

Does the Resend API support idempotency and error handling for batch emails?

Yes, the Resend API supports idempotency and error handling for batch emails, providing guidance to prevent duplicate sends and manage failures when processing bulk notifications.