Resend MCP Server
A Model Context Protocol (MCP) server for sending emails via the Resend API. Designed for use with Claude Code and other MCP-compatible AI assistants.
Features
- Send single emails with HTML or plain text content
- Send batch emails (up to 100 in one call)
- Support for CC, BCC, and reply-to addresses
- Custom tags for email tracking
- Platform-controlled sender address for security
Installation
npm install @bugzy-ai/resend-mcp-server
Or run directly with npx:
npx @bugzy-ai/resend-mcp-server
Configuration
Set the following environment variables:
RESEND_API_KEY=re_xxxxxxxxxxxxx
RESEND_FROM_EMAIL="Bugzy <notifications@yourdomain.com>"
MCP Configuration
Add to your MCP configuration (e.g., .mcp.json):
{
"mcpServers": {
"resend": {
"command": "resend-mcp-server",
"env": {
"RESEND_API_KEY": "${RESEND_API_KEY}",
"RESEND_FROM_EMAIL": "${RESEND_FROM_EMAIL}"
}
}
}
}
Available Tools
resend_send_email
Send a single email to one or more recipients.
Parameters:
to(required): Email address(es) - string or array (max 50)subject(required): Email subject linehtml(optional): HTML contenttext(optional): Plain text content (one of html/text required)cc(optional): CC recipient(s)bcc(optional): BCC recipient(s)reply_to(optional): Reply-to address(es)tags(optional): Array of{name, value}for tracking
resend_send_batch_emails
Send multiple emails in a single API call.
Parameters:
emails(required): Array of email objects (max 100)- Each email has the same parameters as
resend_send_email
- Each email has the same parameters as
Development
# Install dependencies
npm install
# Run in development mode
npm run dev
# Build for production
npm run build
# Lint code
npm run lint
License
Apache-2.0