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mcp/harbor
Windsurf

mailsink for Windsurf

io.github.heocoi/mailsink

Disposable inboxes for AI agents and CI: catch the verification email, read the OTP or link.

client:Windsurf transport:stdio runtime:npm

Install mailsink in Windsurf

~/.codeium/windsurf/mcp_config.json · windows: %USERPROFILE%\.codeium\windsurf\mcp_config.json

Held in this page only — never stored, logged, or sent anywhere but back to your screen. 

{
  "mcpServers": {
    "mailsink": {
      "command": "npx",
      "args": [
        "-y",
        "@mailsink/mcp"
      ],
      "env": {
        "MAILSINK_API_KEY": "<MAILSINK_API_KEY>",
        "MAILSINK_API_URL": "<MAILSINK_API_URL>"
      }
    }
  }
}

Global only — Windsurf has no per-project MCP config. Refresh Cascade after saving. Windsurf docs

mailsink in other clients

mailsink MCP server