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 a single email.

No parameters required.

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send_batch

Send up to 500 emails.

No parameters required.

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delivery_stats

Server-level delivery stats.

No parameters required.

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messages_outbound

Outbound history.

No parameters required.

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message_outbound_detail

Single outbound detail.

No parameters required.

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message_outbound_dump

Raw MIME dump.

No parameters required.

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bounces

Bounces.

No parameters required.

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bounce

Single bounce.

No parameters required.

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bounce_activate

Re-activate a bounced address.

No parameters required.

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server

Current server info.

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");