send_email

send_email

Send emails via the Resend API with support for plain text, attachments, and optional scheduling. Specify custom sender and reply-to addresses to personalize your messages.

Instructions

Sends an email using the Resend API. Supports plain text content, attachments and optional scheduling. Can specify custom sender and reply-to addresses.

Input Schema

Name	Required	Description
`attachments`	No	Optional. List of attachments. Each attachment must have a filename and either localPath (path to a local file) or remoteUrl (URL to a file on the internet).
`content`	Yes	Plain text email content
`from`	No	Optional. If provided, uses this as the sender email address; otherwise uses SENDER_EMAIL_ADDRESS environment variable
`replyTo`	No	Optional. If provided, uses these as the reply-to email addresses; otherwise uses REPLY_TO_EMAIL_ADDRESSES environment variable
`scheduledAt`	No	Optional parameter to schedule the email. This uses natural language. Examples would be 'tomorrow at 10am' or 'in 2 hours' or 'next day at 9am PST' or 'Friday at 3pm ET'.
`subject`	Yes	Email subject line
`to`	Yes	Recipient email address

Input Schema (JSON Schema)

{
  "properties": {
    "attachments": {
      "description": "Optional. List of attachments. Each attachment must have a filename and either localPath (path to a local file) or remoteUrl (URL to a file on the internet).",
      "items": {
        "oneOf": [
          {
            "required": [
              "localPath"
            ]
          },
          {
            "required": [
              "remoteUrl"
            ]
          }
        ],
        "properties": {
          "filename": {
            "description": "Name of the attachment file",
            "type": "string"
          },
          "localPath": {
            "description": "Absolute path to a local file on user's computer. Required if remoteUrl is not provided.",
            "type": "string"
          },
          "remoteUrl": {
            "description": "URL to a file on the internet. Required if localPath is not provided.",
            "type": "string"
          }
        },
        "required": [
          "filename"
        ],
        "type": "object"
      },
      "type": "array"
    },
    "content": {
      "description": "Plain text email content",
      "type": "string"
    },
    "from": {
      "description": "Optional. If provided, uses this as the sender email address; otherwise uses SENDER_EMAIL_ADDRESS environment variable",
      "format": "email",
      "type": "string"
    },
    "replyTo": {
      "description": "Optional. If provided, uses these as the reply-to email addresses; otherwise uses REPLY_TO_EMAIL_ADDRESSES environment variable",
      "items": {
        "format": "email",
        "type": "string"
      },
      "type": "array"
    },
    "scheduledAt": {
      "description": "Optional parameter to schedule the email. This uses natural language. Examples would be 'tomorrow at 10am' or 'in 2 hours' or 'next day at 9am PST' or 'Friday at 3pm ET'.",
      "type": "string"
    },
    "subject": {
      "description": "Email subject line",
      "type": "string"
    },
    "to": {
      "description": "Recipient email address",
      "format": "email",
      "type": "string"
    }
  },
  "required": [
    "to",
    "subject",
    "content"
  ],
  "type": "object"
}

MCP Server Resend

Instructions

Input Schema

Input Schema (JSON Schema)

Other Tools from MCP Server Resend

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MCP directory API