marginal
About
Email A/B tests for AI agents: subject lines, managed sends, open/click tracking, and results.
Use this server
Add it to your MCP client. The catalogue lists this config verbatim from its source — it does not run, download, or vouch for the server. Review the command before you run it.
TransportHTTP (remote server)
Claude Code
claude mcp add --transport http mcp https://marginal.sh/mcp
Cursor
If the button doesn't open Cursor, use the JSON below — Cursor accepts the same mcpServers config.
VS Code
code --add-mcp '{"name":"mcp","type":"http","url":"https://marginal.sh/mcp"}'
JSON
{
"mcpServers": {
"mcp": {
"url": "https://marginal.sh/mcp"
}
}
}