What environment variables are required?
`RESEND_API_KEY` and `SENDER_EMAIL_ADDRESS` are required. `REPLY_TO_EMAIL_ADDRESSES` is optional and accepts comma‑separated addresses.
@Hawstein
基本信息
A MCP server for Resend API. Let LLMs compose and send emails for you.
使用下面的配置,将此服务器添加到你的 MCP 客户端。
{
"mcpServers": {
"resend-mcp": {
"command": "npx",
"args": [
"-y",
"resend-mcp"
],
"env": {
"RESEND_API_KEY": "YOUR_RESEND_API_KEY_HERE (string, required)",
"SENDER_EMAIL_ADDRESS": "YOUR_SENDER_EMAIL_ADDRESS_HERE (string, required)",
"REPLY_TO_EMAIL_ADDRESSES": "YOUR_REPLY_TO_EMAIL_ADDRESSES_HERE (string, optional, comma delimited)"
}
}
}
}Send an email using the Resend API
MCP Server Resend is an MCP server that integrates with the Resend API. It allows large language models (LLMs) to compose and send emails programmatically.
Set the required environment variables RESEND_API_KEY and SENDER_EMAIL_ADDRESS. Install the server via Clinde desktop app (recommended) or by adding a configuration entry to Claude Desktop. Once configured, the server exposes the send_email tool, which accepts recipient, subject, content, and optional fields like sender, reply-to, schedule time, and attachments.
`RESEND_API_KEY` and `SENDER_EMAIL_ADDRESS` are required. `REPLY_TO_EMAIL_ADDRESSES` is optional and accepts comma‑separated addresses.
Sign up for a Resend account at resend.com, then generate an API key from the Resend dashboard.
Yes. Resend offers a free tier that includes 3,000 emails per month.
The easiest way is through the Clinde desktop app: navigate to the Servers page and install *resend‑mcp*. Alternatively, add a configuration entry to `claude_desktop_config.json` using `npx -y resend-mcp`.
Yes. The `send_email` tool accepts attachments with a `filename` and either a `localPath` (absolute path on the user’s computer) or a `remoteUrl` (URL to a file on the internet).

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