Koskamo

Resend Email MCP

A community-built Model Context Protocol server providing comprehensive access to the Resend email API. It supports sending emails, managing domains, contacts, broadcasts, templates, segments, topics, webhooks, and logs. Additionally, it includes a unique debug and diagnostics layer for deliverability analysis, DNS troubleshooting, email lifecycle inspection, bounce explanation, and account auditing. It is compatible with Claude Code, Cursor, and Claude Desktop.

Package and access

Local package with source-attributed installation metadata. Koskamo does not execute packages during review.

Resend Email MCP logo, by helbertparanhosCommunity listingLocal stdioSource reviewed; not executedPublished by helbertparanhos
You need:Get a Resend API key Create one at https://resend.com/api-keys .
Vendor documentation

What you can do with it

  • Send transactional or batch emails via the Resend API
  • Manage email domains, contacts, and templates
  • Diagnose deliverability issues and DNS configuration
  • Audit Resend account activity and logs

Source and maintenance

Community listingRegistry 1.0.1
mcp-registry: io.github.helbertparanhos/resend-email-mcp@1.0.1Source repository
Maintenance checked

Packages and installation

Source-provided package data. Koskamo has not executed or live-probed this package.

resend-email-mcp 1.0.1

npm
resend-email-mcp package definition
{
  "version": "1.0.1",
  "transport": "stdio",
  "identifier": "resend-email-mcp",
  "registryType": "npm",
  "registryBaseUrl": "https://registry.npmjs.org",
  "environmentVariables": [
    {
      "name": "RESEND_API_KEY",
      "isRequired": true,
      "description": "Resend API key (https://resend.com/api-keys)"
    },
    {
      "name": "RESEND_FROM",
      "description": "Default sender address (verified domain), e.g. 'Acme <hello@acme.com>'"
    },
    {
      "name": "RESEND_REPLY_TO",
      "description": "Default Reply-To address"
    },
    {
      "name": "RESEND_READONLY",
      "description": "Set to 'true' to block every mutating tool"
    },
    {
      "name": "RESEND_ATTACHMENTS_DIR",
      "description": "Directory that local-file attachments are restricted to (disk reads disabled unless set)"
    }
  ]
}

Tools

Reported by the attributed source; not independently observed by Koskamo.

No tool definitions available.

Connect from your client

Each snippet configures the same source-provided package; replace placeholders before use.

This server is operated by the named third party. Listing and endpoint checks are not an endorsement or a security audit. Review the operator's permissions, terms, and data handling before connecting. How listings are checked and corrected.

Cursor

Merge this local stdio configuration, replace every placeholder environment value, and restart Cursor. Koskamo has not executed this package.
Cursor configuration
{
  "mcpServers": {
    "resend-email-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "resend-email-mcp@1.0.1"
      ],
      "env": {
        "RESEND_API_KEY": "<YOUR_RESEND_API_KEY>",
        "RESEND_FROM": "<YOUR_RESEND_FROM>",
        "RESEND_REPLY_TO": "<YOUR_RESEND_REPLY_TO>",
        "RESEND_READONLY": "<YOUR_RESEND_READONLY>",
        "RESEND_ATTACHMENTS_DIR": "<YOUR_RESEND_ATTACHMENTS_DIR>"
      }
    }
  }
}

Cline

Merge this local stdio configuration, replace every placeholder environment value, and restart Cline. Koskamo has not executed this package.
Cline configuration
{
  "mcpServers": {
    "resend-email-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "resend-email-mcp@1.0.1"
      ],
      "env": {
        "RESEND_API_KEY": "<YOUR_RESEND_API_KEY>",
        "RESEND_FROM": "<YOUR_RESEND_FROM>",
        "RESEND_REPLY_TO": "<YOUR_RESEND_REPLY_TO>",
        "RESEND_READONLY": "<YOUR_RESEND_READONLY>",
        "RESEND_ATTACHMENTS_DIR": "<YOUR_RESEND_ATTACHMENTS_DIR>"
      }
    }
  }
}

VS Code

Merge this local stdio configuration, replace every placeholder environment value, and restart VS Code. Koskamo has not executed this package.
VS Code configuration
{
  "servers": {
    "resend-email-mcp": {
      "type": "stdio",
      "command": "npx",
      "args": [
        "-y",
        "resend-email-mcp@1.0.1"
      ],
      "env": {
        "RESEND_API_KEY": "<YOUR_RESEND_API_KEY>",
        "RESEND_FROM": "<YOUR_RESEND_FROM>",
        "RESEND_REPLY_TO": "<YOUR_RESEND_REPLY_TO>",
        "RESEND_READONLY": "<YOUR_RESEND_READONLY>",
        "RESEND_ATTACHMENTS_DIR": "<YOUR_RESEND_ATTACHMENTS_DIR>"
      }
    }
  }
}

Claude Desktop

Merge this local stdio configuration, replace every placeholder environment value, and restart Claude Desktop. Koskamo has not executed this package.
Claude Desktop configuration
{
  "mcpServers": {
    "resend-email-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "resend-email-mcp@1.0.1"
      ],
      "env": {
        "RESEND_API_KEY": "<YOUR_RESEND_API_KEY>",
        "RESEND_FROM": "<YOUR_RESEND_FROM>",
        "RESEND_REPLY_TO": "<YOUR_RESEND_REPLY_TO>",
        "RESEND_READONLY": "<YOUR_RESEND_READONLY>",
        "RESEND_ATTACHMENTS_DIR": "<YOUR_RESEND_ATTACHMENTS_DIR>"
      }
    }
  }
}

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