Postmark

liveSaaSProductivity

Postmark — send transactional emails, query delivery stats, inspect outbound history, manage bounces, and review server configuration.

10tools
0msauth
free tier50 calls/day

Tools

send

Send one transactional email through the Postmark delivery API (api.postmarkapp.com/email) using a Postmark server token. Takes from, to, subject, HTML and text bodies, cc, bcc, reply-to, custom heade

No parameters required.

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send_batch

Send a batch of up to 500 transactional emails in one call to the Postmark delivery API (api.postmarkapp.com/email/batch), passing an array of messages in Postmark field form (From, To, Subject, HtmlB

No parameters required.

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delivery_stats

Server-level delivery stats.

No parameters required.

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messages_outbound

List outbound messages sent through the Postmark server with optional filters (recipient, from, tag, status, fromdate, todate); returns message summaries with status and timestamps.

No parameters required.

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message_outbound_detail

Single outbound detail.

No parameters required.

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message_outbound_dump

Retrieve the raw MIME source (full email dump) for a sent outbound message by messageId; useful for debugging encoding or header issues.

No parameters required.

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bounces

List bounced email records from the Postmark server with optional filters (type, inactive, emailFilter, tag, fromdate, todate); returns bounce type, recipient, and timestamp.

No parameters required.

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bounce

Fetch full details for a single Postmark bounce record by numeric id, including bounce type, recipient email, description, and raw bounce content.

No parameters required.

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bounce_activate

Re-activate a bounced address.

No parameters required.

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server

Fetch configuration and metadata for the current Postmark server, including name, color, delivery settings, bounce/spam threshold, and message stream settings.

No parameters required.

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Test with curl

The gateway speaks JSON-RPC 2.0 over HTTP POST. You can test any pack directly from the terminal.

List available tools
bash
curl -X POST https://gateway.pipeworx.io/postmark/mcp \
  -H "Content-Type: application/json" \
  -d '{"jsonrpc":"2.0","id":1,"method":"tools/list"}'
Call a tool
bash
curl -X POST https://gateway.pipeworx.io/postmark/mcp \
  -H "Content-Type: application/json" \
  -d '{"jsonrpc":"2.0","id":2,"method":"tools/call","params":{"name":"send","arguments":{}}}'

Use with the SDK

Install @pipeworx/sdk to call tools from any TypeScript/Node project.

TypeScript
import { Pipeworx } from '@pipeworx/sdk';
const px = new Pipeworx();
const result = await px.call("send", {});
ask_pipeworx
// Or ask in plain English:
const answer = await px.ask("postmark — send transactional emails, query delivery stats, inspect outbound history, manage bounces, and review server configuration");