0n3
MCP servers · Resend · custom connector

Connect Grok Bot (xAI) to Resend

One line gives Grok Bot (xAI) your Resend account as tools: 67 endpoints, send email, batch emails, domains, called with your own connection. No key in the prompt, a receipt for every call, revoke Grok Bot (xAI)'s access alone any time.

Get the line for Grok Bot (xAI)Connect Resend first

Three steps

  1. Create a free 0n3 account and connect Resend. Paste a key or sign in; it lands in your vault, encrypted.
  2. Install 0n3 into Grok Bot (xAI). xAI's always-on Grok Bot. Add 0n3 as a custom connector once, and your Bot can use every app you added, around the clock.
  3. Ask Grok Bot (xAI): whoami. Then: "Send an email in Resend".
Add 0n3 to Grok Bot (desktop app)
  1. Open Grok Bot on your computer. In the sidebar, click Connect apps.
  2. At the bottom, click Add a custom connector.
  3. For Name, type 0n3. For Type, pick Remote HTTPS. For Server URL, type https://0n3.app/mcp.
  4. Under HTTP headers, add Authorization with the value Bearer <your 0n token>
  5. Click Add plugin.
Then try it: send your Bot this
  1. "Use 0n3: who am I, and which apps can you reach?"
  2. "Every weekday at 8, use 0n3 to list today's CRM appointments and new Stripe payments, and post a summary to me."

The line above carries a placeholder; 0n3.app/install mints a real key named for Grok Bot (xAI) and fills it in.

What Grok Bot (xAI) can then do in Resend

Send email · Send transactional emails with HTML, React templates, scheduling, and attachments11
Send an emailPOST /emails
List emailsGET /emails
Get an emailGET /emails/{email_id}
Update an emailPATCH /emails/{email_id}
Cancel an emailPOST /emails/{email_id}/cancel
List received emailsGET /emails/receiving
Get a received emailGET /emails/receiving/{email_id}
List email attachmentsGET /emails/{email_id}/attachments
Get an email attachmentGET /emails/{email_id}/attachments/{attachment_id}
List received attachmentsGET /emails/receiving/{email_id}/attachments
Get a received attachmentGET /emails/receiving/{email_id}/attachments/{attachment_id}
Batch emails · Send up to 100 emails in a single batch request1
Send batch emailsPOST /emails/batch
Domains · Create, list, verify, update, and delete email domains6
Create a domainPOST /domains
List domainsGET /domains
Get a domainGET /domains/{domain_id}
Update a domainPATCH /domains/{domain_id}
Verify a domainPOST /domains/{domain_id}/verify
Delete a domainDELETE /domains/{domain_id}
Api keys · Create, list, and delete API keys3
Create an api keyPOST /api-keys
List api keysGET /api-keys
Delete an api keyDELETE /api-keys/{api_key_id}
Audiences · Create, list, get, and delete audiences (deprecated — use segments)4
Create an audiencePOST /audiences
List audiencesGET /audiences
Get an audienceGET /audiences/{audience_id}
Delete an audienceDELETE /audiences/{audience_id}
Contacts · Create, list, get, update, and delete contacts5
Create a contactPOST /contacts
List contactsGET /contacts
Get a contactGET /contacts/{contact_id}
Update a contactPATCH /contacts/{contact_id}
Delete a contactDELETE /contacts/{contact_id}

All 67 Resend endpoints →

Resend in other AI clients

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Grok Bot (xAI) with other apps

Hostinger363 endpointsPipedrive310 endpointsTelegram132 endpointsSquare57 endpointsLinkedIn50 endpointsSlack45 endpointseBay42 endpointsCRM35 endpointsFigma32 endpointsCloudConvert32 endpointsMicrosoft 36526 endpointsQuickBooks21 endpoints