Resend

An MCP server for the Resend platform. Send and receive emails, manage contacts, broadcasts, domains, and more — directly from any MCP client like Claude Desktop, Cursor, or Claude Code.

Features

• Emails — Send, list, get, cancel, update, and batch send emails. Supports HTML, plain text, attachments (local file, URL, or base64), CC/BCC, reply-to, scheduling, tags, and topic-based sending.
• Received Emails — List and read inbound emails. List and download received email attachments.
• Contacts — Create, list, get, update, and remove contacts. Manage segment memberships and topic subscriptions. Supports custom contact properties.
• Broadcasts — Create, send, list, get, update, and remove broadcast campaigns. Supports scheduling, personalization placeholders, and preview text.
• Templates — Create, list, get, update, publish, duplicate, and remove reusable email templates.
• Visual Editor — Compose broadcast and template content that renders live in the Resend dashboard. Agents appear as a named avatar in the editor while working.
• Domains — Create, list, get, update, remove, and verify sender domains. Configure tracking, TLS, and sending/receiving capabilities.
• Segments — Create, list, get, and remove audience segments.
• Topics — Create, list, get, update, and remove subscription topics.
• Contact Properties — Create, list, get, update, and remove custom contact attributes.
• API Keys — Create, list, and remove API keys.
• Webhooks — Create, list, get, update, and remove webhooks for event notifications.

Setup

Create a free Resend account and create an API key. To send to addresses outside of your own, you'll need to verify your domain.

Usage

The server supports two transport modes: stdio (default) and HTTP.

Options

You can pass additional arguments to configure the server:

• --key: Your Resend API key (stdio mode only; HTTP mode uses the Bearer token from the client)
• --sender: Default sender email address from a verified domain
• --reply-to: Default reply-to email address (can be specified multiple times)
• --http: Use HTTP transport instead of stdio (default: stdio)
• --port: HTTP port when using --http (default: 3000, or MCP_PORT env var)

Note: If you don't provide a sender email address, the MCP server will ask you to provide one each time you call the tool.