CLI And MCP

wrangler email routing
├── enable/disable   <domain>          # Toggle email routing
├── dns get          <domain>          # Show required DNS records
├── rules list/create/update/delete    # Manage routing rules
└── addresses list/create/delete       # Destination addresses (account-scoped)

wrangler email sending
├── enable/disable   <domain>          # Toggle email sending
├── dns get          <domain>          # Show sending DNS records (SPF, DKIM)
├── send             --from --to ...   # Send an email (builder flags)
└── send-raw         --from --to ...   # Send a raw MIME email

npx wrangler email sending enable yourdomain.com
npx wrangler email sending dns get yourdomain.com   # Verify records

{ "send_email": [{ "name": "EMAIL", "remote": true }] }

npx wrangler dev

// search tool — find all email sending API endpoints
async () => {
  const results = [];
  for (const [path, methods] of Object.entries(spec.paths)) {
    if (path.includes('email/sending')) {
      for (const [method, op] of Object.entries(methods)) {
        results.push({ method: method.toUpperCase(), path, summary: op.summary });
      }
    }
  }
  return results;
}

// execute tool — check sending quota
async () => {
  return cloudflare.request({
    method: "GET",
    path: `/accounts/${accountId}/email/sending/limits`
  });
}

// execute tool — send an email
async () => {
  return cloudflare.request({
    method: "POST",
    path: `/accounts/${accountId}/email/sending/send`,
    body: {
      to: "user@example.com",
      from: { address: "notifications@yourdomain.com", name: "My App" },
      subject: "Deployment Complete",
      html: "<h1>Deployed!</h1>",
      text: "Deployed!"
    }
  });
}

npx wrangler email sending send \
  --from "agent@yourdomain.com" \
  --to "developer@company.com" \
  --subject "Deployment Complete" \
  --text "Your Worker was deployed successfully."

curl "https://api.cloudflare.com/client/v4/accounts/${CLOUDFLARE_ACCOUNT_ID}/email/sending/send" \
  --header "Authorization: Bearer ${CLOUDFLARE_API_TOKEN}" \
  --header "Content-Type: application/json" \
  --data '{
    "to": "developer@company.com",
    "from": {"address": "agent@yourdomain.com", "name": "Build Agent"},
    "subject": "Deployment Complete",
    "text": "Your Worker was deployed successfully."
  }'