0n3
MCP servers · Mailgun · MCP server

Connect Windsurf to Mailgun

One line gives Windsurf your Mailgun account as tools: 8 endpoints, domains, validate email, send email, called with your own connection. No key in the prompt, a receipt for every call, revoke Windsurf's access alone any time.

Get the line for WindsurfConnect Mailgun first

Three steps

  1. Create a free 0n3 account and connect Mailgun. Paste a key or sign in; it lands in your vault, encrypted.
  2. Install 0n3 into Windsurf. The mcp_config.json block.
  3. Ask Windsurf: whoami. Then: "Send a message in Mailgun".
Write it yourself · ~/.codeium/windsurf/mcp_config.json
{
  "mcpServers": {
    "0n3": {
      "serverUrl": "https://0n3.app/mcp",
      "headers": {
        "Authorization": "Bearer <your 0n token>"
      }
    }
  }
}

The line above carries a placeholder; 0n3.app/install mints a real key named for Windsurf and fills it in.

What Windsurf can then do in Mailgun

Domains · Manage sending domains7
Send a messagePOST /{domain}/messages
List domainsGET /domains
Get a domainGET /domains/{domain}
List eventsGET /{domain}/events
Get statsGET /{domain}/stats/total
List bouncesGET /{domain}/bounces
List unsubscribesGET /{domain}/unsubscribes
Validate email · Validate email addresses1
Validate emailGET /address/validate
Send email · Send emails0
Send emails
Track events · Track email events0
Track email events

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Windsurf with other apps

Hostinger363 endpointsTelegram132 endpointsPipedrive95 endpointsResend67 endpointsSquare57 endpointsLinkedIn50 endpointsSlack45 endpointsFigma32 endpointsCloudConvert32 endpointseBay25 endpointsQuickBooks21 endpointsCloudflare21 endpoints