# Resend (MCP Server)

> Send emails and manage Resend contacts, domains and broadcasts

- Type: MCP server
- Publisher: Resend (official)
- Categories: Communication, Development, Marketing
- Website: https://github.com/resend/resend-mcp
- Source: https://github.com/resend/resend-mcp
- Transport: streamable-http
- Server URL: https://mcp.resend.com/mcp
- Launch command: npx -y resend-mcp
- Sign-in: oauth
- Environment variables: RESEND_API_KEY
- GitHub stars: 576
- Listed: 2025-02-24

## About

Resend's official MCP server lets agents send transactional email and work with contacts, audiences, broadcasts and domains in Resend. A hosted remote server is available with OAuth sign-in or an API key as a bearer token, and the same open-source code runs locally via npx with RESEND_API_KEY. Local file attachments can be restricted to chosen directories.

## Install

1. **Connect it in ChatGPT** Turn on Developer mode in ChatGPT (Settings → Security and login), open Plugins, select + and paste https://mcp.resend.com/mcp as the MCP server URL, then sign in with OAuth. Add it to a chat from the composer's tools menu.

2. **Or add it to Codex or the API**

   Codex CLI:

   ```bash
   codex mcp add resend --url https://mcp.resend.com/mcp
   codex mcp login resend
   ```

   config.toml:

   ```toml
   [mcp_servers.resend]
   url = "https://mcp.resend.com/mcp"
   ```

   Responses API:

   ```python
   import os
   from openai import OpenAI
   
   client = OpenAI()
   
   response = client.responses.create(
       model="gpt-6-astra",
       tools=[{
           "type": "mcp",
           "server_label": "resend",
           "server_url": "https://mcp.resend.com/mcp",
           "authorization": os.environ["RESEND_API_KEY"],
           "require_approval": "never",
       }],
       input="Send a test email from hello@mydomain.com to me with the subject 'Deploy finished'",
   )
   print(response.output_text)
   ```

## Example prompts

- "Send a test email from hello@mydomain.com to me with the subject 'Deploy finished'"
- "Add these five addresses to the Newsletter audience"
- "Is my domain fully verified for sending?"
- "Create a broadcast announcing the new feature to all subscribers"

## Also available as

- app: [Resend](https://chatgptplugins.directory/apps/resend.md)

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Source: https://chatgptplugins.directory/mcp/resend · Index: https://chatgptplugins.directory/llms.txt · Independent and community-run. Not affiliated with or endorsed by OpenAI. ChatGPT is a trademark of OpenAI.