Postmark
live UtilityPostmark MCP.
10 tools
0ms auth
free tier 50 calls/day
Tools
send Send a single email.
No parameters required.
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Response
send_batch Send up to 500 emails.
No parameters required.
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Response
delivery_stats Server-level delivery stats.
No parameters required.
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Response
messages_outbound Outbound history.
No parameters required.
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Response
message_outbound_detail Single outbound detail.
No parameters required.
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Response
message_outbound_dump Raw MIME dump.
No parameters required.
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Response
bounces Bounces.
No parameters required.
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Response
bounce Single bounce.
No parameters required.
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Response
bounce_activate Re-activate a bounced address.
No parameters required.
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Response
server Current server info.
No parameters required.
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Response
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 mcp");