diff --git a/README.md b/README.md
index 32fcfa8..39c0443 100644
--- a/README.md
+++ b/README.md
@@ -41,6 +41,10 @@ Tools and platforms for giving AI agents dedicated email capabilities.
 - `npm install resend` or `pip install resend`
 - GitHub: [resend/resend-node](https://github.com/resend/resend-node)
 
+**[SuperSend TX](https://supersendtx.com)** — Transactional email API with Node SDK, SMTP relay, signed webhooks, MCP server, and Agent Skills for Cursor/Claude. Does not provision per-agent isolated inboxes. Best for agents that need to send (not receive) on owned mail infrastructure.
+- `npm install supersendtx` · MCP: `npx supersendtx-mcp`
+- Docs: https://docs.supersendtx.com · Skills: [Super-Send/supersendtx-skills](https://github.com/Super-Send/supersendtx-skills) · SDKs: [Super-Send/supersendtx-sdks](https://github.com/Super-Send/supersendtx-sdks)
+
 **[SendGrid](https://sendgrid.com)** — Twilio's email platform. High-volume sending, deliverability tools, inbound parse webhook. Designed for bulk/marketing email; agent-native features require significant wrapper code.
 - GitHub: [sendgrid/sendgrid-python](https://github.com/sendgrid/sendgrid-python), [sendgrid/sendgrid-nodejs](https://github.com/sendgrid/sendgrid-nodejs)
 
@@ -89,6 +93,7 @@ Model Context Protocol servers that give AI assistants (Claude Desktop, Cursor,
 **[mcp-server-gmail](https://github.com/modelcontextprotocol/servers)** — Official MCP server for Gmail. Read/send from your personal Gmail account. Part of the official MCP servers collection.
 
 **[mcp-server-sendgrid](https://github.com/modelcontextprotocol/servers)** — Official MCP server for SendGrid email sending.
+**[supersendtx-mcp](https://www.npmjs.com/package/supersendtx-mcp)** — MCP server for SuperSend TX transactional send (`npx supersendtx-mcp`).
 
 ---