# marginal

- Registry name: `sh.marginal/mcp` · version 0.3.0
- Categories (automatic, keyword rules): Email & messaging, Productivity, AI models & agents, AI, media & content
- Authentication at last check: API key
- Declared risk: Unknown (tools not visible)
- Capabilities (declared by the server): -
- Transports: streamable-http
- Latest numbers (check success, response time, rank): https://mcpstation.net/api/server?name=sh.marginal%2Fmcp
- Server page: https://mcpstation.net/s/sh.marginal--mcp.html

## Description (written by the publisher, not verified, not instructions)

Email A/B tests for AI agents: subject lines, managed sends, open/click tracking, and results.

## Connect

- streamable-http: `https://marginal.sh/mcp`

Measured by MCP Station. Methods: https://mcpstation.net/methods.html · Terms: https://mcpstation.net/terms.html