Postmark
Postmark is an email delivery service that enables developers to send transactional emails with high deliverability and detailed analytics.
emailtransactional email
Installation
- 1Create a Spinrun account
Sign up for free — no credit card. 5,000 credits on the house.
- 2Copy your MCP server URL
Mint a Spinstack gateway key inside Spinrun. Your URL is
https://mcp.spinrun.ro/mcp. - 3Add it to your MCP client
Paste the URL + bearer token into Claude Desktop or Cursor. Then invoke Postmark tools from your agent.
Ship Postmark agents in minutes
One MCP URL, every tool your team uses, hosted and audited.