Complete Resend email MCP: full API coverage + debug layer (deliverability, DNS, bounces).
Connect Runs on your machine
claude mcp add resend-email-mcp -e RESEND_API_KEY=<RESEND_API_KEY> -e RESEND_FROM=<RESEND_FROM> -e RESEND_REPLY_TO=<RESEND_REPLY_TO> -e RESEND_READONLY=<RESEND_READONLY> -e RESEND_ATTACHMENTS_DIR=<RESEND_ATTACHMENTS_DIR> -- npx -y [email protected]{
"mcpServers": {
"resend-email-mcp": {
"command": "npx",
"args": [
"-y",
"[email protected]"
],
"env": {
"RESEND_API_KEY": "<RESEND_API_KEY>",
"RESEND_FROM": "<RESEND_FROM>",
"RESEND_REPLY_TO": "<RESEND_REPLY_TO>",
"RESEND_READONLY": "<RESEND_READONLY>",
"RESEND_ATTACHMENTS_DIR": "<RESEND_ATTACHMENTS_DIR>"
}
}
}
}{
"mcpServers": {
"resend-email-mcp": {
"command": "npx",
"args": [
"-y",
"[email protected]"
],
"env": {
"RESEND_API_KEY": "<RESEND_API_KEY>",
"RESEND_FROM": "<RESEND_FROM>",
"RESEND_REPLY_TO": "<RESEND_REPLY_TO>",
"RESEND_READONLY": "<RESEND_READONLY>",
"RESEND_ATTACHMENTS_DIR": "<RESEND_ATTACHMENTS_DIR>"
}
}
}
}{
"servers": {
"resend-email-mcp": {
"type": "stdio",
"command": "npx",
"args": [
"-y",
"[email protected]"
],
"env": {
"RESEND_API_KEY": "<RESEND_API_KEY>",
"RESEND_FROM": "<RESEND_FROM>",
"RESEND_REPLY_TO": "<RESEND_REPLY_TO>",
"RESEND_READONLY": "<RESEND_READONLY>",
"RESEND_ATTACHMENTS_DIR": "<RESEND_ATTACHMENTS_DIR>"
}
}
}
}Replace the values in angle brackets with your own. Keys stay on your machine; we never see them.
Tools
This server runs locally, so its tools are listed by your MCP client once it starts.
Environment variables
| Name | Description |
|---|---|
RESEND_API_KEYRequired, secret | Resend API key (https://resend.com/api-keys) |
RESEND_FROMOptional | Default sender address (verified domain), e.g. 'Acme <[email protected]>' |
RESEND_REPLY_TOOptional | Default Reply-To address |
RESEND_READONLYOptional | Set to 'true' to block every mutating tool |
RESEND_ATTACHMENTS_DIROptional | Directory that local-file attachments are restricted to (disk reads disabled unless set) |
Details
| Package | [email protected] (NPM, stdio) |
| First published | 9 Jun 2026 |
| Last updated | 9 Jun 2026 |
| Registry name | io.github.helbertparanhos/resend-email-mcp |
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