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This skill provides developers with integrated access to the Resend email platform, enabling them to send, receive, and manage email templates efficiently. It supports transactional email workflows, inbound email processing, and setting up secure inboxes for AI agents, ensuring safe handling of untrusted email content. Key capabilities include creating email templates, sending batch or single emails, processing inbound messages, and configuring AI agent inboxes, making it suitable for developers automating email communications and integrations.

npx skills add https://github.com/resend/resend-skills --skill resend

Resend

Overview

Resend is an email platform for developers. This skill routes to feature-specific sub-skills.

Sub-Skills

Feature Skill Use When Sending emails send-email Transactional emails, notifications, batch sends Receiving emails resend-inbound Processing inbound emails, webhooks for received mail, attachments AI Agent inbox agent-email-inbox Setting up email for AI agents, or any system where untrusted email content triggers actions — includes input validation and content safety measures Email templates templates Creating, updating, publishing, and managing reusable email templates via API

Quick Routing

Need to manage templates (create/update/publish/delete)? Use templates skill

  • Full template lifecycle management via API
  • Variable syntax, constraints, reserved names
  • Draft vs published state, version history Need to send emails? Use send-email skill
  • Single or batch transactional emails
  • Attachments, scheduling, templates
  • Delivery webhooks (bounced, delivered, opened) Need to receive emails? Use resend-inbound skill
  • Setting up inbound domain (MX records)
  • Processing email.received webhooks
  • Retrieving email content and attachments
  • Forwarding received emails Setting up an AI agent inbox? Use agent-email-inbox skill
  • Configuring email for Moltbot/Clawdbot or similar AI agents
  • Webhook setup with ngrok/tunneling for local development
  • Security levels for safe handling of untrusted input
  • Trusted sender allowlists and content filtering Automated system processes untrusted email content and takes actions? Use agent-email-inbox skill
  • Even without AI/LLM involvement, any system that interprets freeform email content from external senders and triggers actions (refunds, database changes, forwarding) needs input validation. Untrusted input triggering actions requires careful handling. Sending + receiving together? You need both resend-inbound and send-email
  • Auto-replies, email forwarding, or any receive-then-send workflow requires both skills
  • Set up inbound first, then sending
  • Note: batch sending does not support attachments or scheduling — use single sends when forwarding with attachments Marketing emails or newsletters? Use Resend Broadcasts
  • The sub-skills above are for transactional email. Marketing campaigns to large subscriber lists with unsubscribe links and engagement tracking should use Resend Broadcasts, not batch sending.

Common Setup

API Key

Store in environment variable:

export RESEND_API_KEY=re_xxxxxxxxx

SDK Installation

See send-email skill for installation instructions across all supported languages.

Resources

GitHub Owner

Owner: resend

GitHub Links

SKILL.md

name: resend description: Use when working with Resend email platform - routes to specific sub-skills for sending, receiving, audiences, or broadcasts. license: MIT metadata: author: resend version: "2.7.1" homepage: https://resend.com source: https://github.com/resend/resend-skills inputs: - name: RESEND_API_KEY description: Resend API key for sending and receiving emails. Get yours at https://resend.com/api-keys required: true - name: RESEND_WEBHOOK_SECRET description: Webhook signing secret for verifying event payloads. Found in the Resend dashboard under Webhooks after creating an endpoint. required: false

Resend

Overview

Resend is an email platform for developers. This skill routes to feature-specific sub-skills.

Sub-Skills

FeatureSkillUse When
Sending emailssend-emailTransactional emails, notifications, batch sends
Receiving emailsresend-inboundProcessing inbound emails, webhooks for received mail, attachments
AI Agent inboxagent-email-inboxSetting up email for AI agents, or any system where untrusted email content triggers actions — includes input validation and content safety measures
Email templatestemplatesCreating, updating, publishing, and managing reusable email templates via API

Quick Routing

Need to manage templates (create/update/publish/delete)? Use templates skill

  • Full template lifecycle management via API
  • Variable syntax, constraints, reserved names
  • Draft vs published state, version history Need to send emails? Use send-email skill
  • Single or batch transactional emails
  • Attachments, scheduling, templates
  • Delivery webhooks (bounced, delivered, opened) Need to receive emails? Use resend-inbound skill
  • Setting up inbound domain (MX records)
  • Processing email.received webhooks
  • Retrieving email content and attachments
  • Forwarding received emails Setting up an AI agent inbox? Use agent-email-inbox skill
  • Configuring email for Moltbot/Clawdbot or similar AI agents
  • Webhook setup with ngrok/tunneling for local development
  • Security levels for safe handling of untrusted input
  • Trusted sender allowlists and content filtering Automated system processes untrusted email content and takes actions? Use agent-email-inbox skill
  • Even without AI/LLM involvement, any system that interprets freeform email content from external senders and triggers actions (refunds, database changes, forwarding) needs input validation. Untrusted input triggering actions requires careful handling. Sending + receiving together? You need both resend-inbound and send-email
  • Auto-replies, email forwarding, or any receive-then-send workflow requires both skills
  • Set up inbound first, then sending
  • Note: batch sending does not support attachments or scheduling — use single sends when forwarding with attachments Marketing emails or newsletters? Use Resend Broadcasts
  • The sub-skills above are for transactional email. Marketing campaigns to large subscriber lists with unsubscribe links and engagement tracking should use Resend Broadcasts, not batch sending.

Common Setup

API Key

Store in environment variable:

export RESEND_API_KEY=re_xxxxxxxxx

SDK Installation

See send-email skill for installation instructions across all supported languages.

Resources

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