MCP server exposing 10 tools for postmark.
This URL is a JSON-RPC 2.0 endpoint over HTTP. Issue POST requests with a JSON-RPC body. Browsers and search crawlers land here on GET.
POST https://gateway.pipeworx.io/postmark/mcp
Content-Type: application/json
{"jsonrpc":"2.0","id":1,"method":"tools/list"}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 headers, tag, open and link tracking flags, and message stream; returns the Postmark MessageID, submitted-at timestamp, recipient, and error code. Use it to deliver a receipt, password reset, alert, or notification message.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, HtmlBody, TextBody, Tag, MessageStream) and a Postmark server token. Returns one result per message with its MessageID, recipient, and error code. Use it for bulk receipts, digests, or notification sends through Postmark.delivery_stats — Server-level delivery stats.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.message_outbound_detail — Single outbound detail.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.bounces — List bounced email records from the Postmark server with optional filters (type, inactive, emailFilter, tag, fromdate, todate); returns bounce type, recipient, and timestamp.bounce — Fetch full details for a single Postmark bounce record by numeric id, including bounce type, recipient email, description, and raw bounce content.bounce_activate — Re-activate a bounced address.server — Fetch configuration and metadata for the current Postmark server, including name, color, delivery settings, bounce/spam threshold, and message stream settings.Code samples (curl / TypeScript / one-click client install), schemas, and the live playground are on the pack page:
https://pipeworx.io/packs/postmark/
Pipeworx is an open MCP gateway connecting AI agents to live data. pipeworx.io