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Postmark

Send transactional email through Postmark.

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About

Auto-generated

Postmark is a Model Context Protocol server in the Communication category. It lets AI assistants that speak MCP call its tools and read its resources over STDIO.

Example tools

Illustrative tool names — the actual tool set is defined by the server at runtime.

send_message
Post a message to a channel or user
list_channels
List channels the bot can access
search_messages
Search messages by query and date range

Screenshots

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Frequently Asked Questions

Common questions about Postmark.

What is the Postmark MCP used for?
The Postmark MCP enables sending transactional emails. It integrates directly with applications to deliver critical communications like password resets, order confirmations, and notifications via the Postmark email service.
How do I install the Postmark MCP?
Installation depends on your MCP client. For most clients, you would add the 'postmark' slug in the client's settings or configuration file. Specific steps vary by client, so consult your client's documentation.
Does the Postmark MCP require an API key?
Yes, the Postmark MCP requires an API key for authentication. This API key links your MCP client to your Postmark account and authorizes email sending. You obtain this key from your Postmark account settings.
What capabilities does the Postmark MCP provide?
The Postmark MCP focuses on sending transactional emails. Its primary capability is to interface with the Postmark service to dispatch emails efficiently and reliably from your applications.
Is there a cost associated with using the Postmark MCP?
The Postmark MCP itself is open-source and free to use. However, sending emails via the Postmark service incurs costs as per Postmark's pricing plans. Pricing details are available on the Postmark website.
What is a common limitation of the Postmark MCP?
A common limitation is that the Postmark MCP currently only supports the 'stdio' transport protocol. This means direct integration might be limited to environments where standard input/output communication is feasible.

Install Postmark

Claude Desktop

Add this to claude_desktop_config.json.

{
  "mcpServers": {
    "postmark": {
      "command": "npx",
      "args": [
        "-y",
        "@modelcontextprotocol/server-postmark"
      ]
    }
  }
}

Cursor

Add this to ~/.cursor/mcp.json.

{
  "mcpServers": {
    "postmark": {
      "command": "npx",
      "args": [
        "-y",
        "@modelcontextprotocol/server-postmark"
      ]
    }
  }
}

VS Code

Add this to your workspace settings.json.

{
  "mcp.servers": {
    "postmark": {
      "type": "stdio",
      "command": "npx",
      "args": [
        "-y",
        "@modelcontextprotocol/server-postmark"
      ]
    }
  }
}

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