@aiwerk/mcp-server-resend

Resend API MCP server — full API coverage: transactional email, batch sending, domains, contacts, segments, broadcasts, templates, topics, webhooks, API keys, and logs.

Install

npx -y @aiwerk/mcp-server-resend

Or add to your MCP client config:

{
  "mcpServers": {
    "resend": {
      "command": "npx",
      "args": ["-y", "@aiwerk/mcp-server-resend"],
      "env": {
        "RESEND_API_KEY": "re_..."
      }
    }
  }
}

Environment variables

| Name | Required | Description | |---|---|---| | RESEND_API_KEY | ✅ | Resend API key (starts with re_). Get one at resend.com/api-keys. | | RESEND_API_BASE_URL | — | Override API base URL (default: https://api.resend.com). | | RESEND_API_TIMEOUT_MS | — | Request timeout in milliseconds (default: 30000). |

Auth

1. Sign up at resend.com (free tier: 3,000 emails/month, 100/day).
2. Open API Keys in the dashboard and create a key with Full access.
3. Copy the key (starts with re_) into RESEND_API_KEY.
4. To send from your own address, verify a domain under Domains. For testing, use [email protected] (sender) → [email protected] / [email protected] / [email protected] without domain setup.

Tools (62)

All destructive and send operations use a 2-phase α-gate: the first call returns a confirm_token; supply it on the second call to execute. Tokens expire after 60 seconds. Bulk delete tools accept an array of IDs under one token.

Emails (8)

| Tool | Description | |---|---| | resend_email_send | Send a transactional email [α-gated] | | resend_email_send_batch | Send up to 100 emails in one call [α-gated] | | resend_email_get | Get email status and details by ID | | resend_email_list | List sent emails (cursor pagination) | | resend_email_update | Reschedule a scheduled email | | resend_email_cancel | Cancel a scheduled email (safety action, not α-gated) | | resend_email_list_received | List inbound emails (requires routing config) | | resend_email_get_received | Get a specific inbound email |

Domains (6)

| Tool | Description | |---|---| | resend_domain_create | Add a new sending domain | | resend_domain_list | List all domains | | resend_domain_get | Get domain details and DNS status | | resend_domain_update | Update tracking settings (open, click, TLS) | | resend_domain_verify | Trigger DNS verification | | resend_domain_delete | Delete domains [α-gated, bulk] |

API Keys (3)

| Tool | Description | |---|---| | resend_apikey_create | Create an API key (token shown once — store immediately) | | resend_apikey_list | List API keys | | resend_apikey_delete | Revoke API keys [α-gated, bulk] |

Contacts (10)

| Tool | Description | |---|---| | resend_contact_create | Create a contact | | resend_contact_list | List contacts (optional segment_id filter) | | resend_contact_get | Get a contact by ID or email | | resend_contact_update | Update contact details | | resend_contact_delete | Delete contacts [α-gated, bulk] | | resend_contact_list_segments | List segments a contact belongs to | | resend_contact_add_segment | Add a contact to a segment | | resend_contact_remove_segment | Remove a contact from a segment | | resend_contact_get_topics | Get topic subscription statuses | | resend_contact_update_topics | Update topic subscriptions (opt_in/opt_out) |

Contact Properties (5)

| Tool | Description | |---|---| | resend_contactproperty_create | Create a custom contact property | | resend_contactproperty_list | List contact properties | | resend_contactproperty_get | Get a property by ID | | resend_contactproperty_update | Update fallback value | | resend_contactproperty_delete | Delete properties [α-gated, bulk] |

Segments (5)

| Tool | Description | |---|---| | resend_segment_create | Create a segment | | resend_segment_list | List segments | | resend_segment_get | Get a segment by ID | | resend_segment_list_contacts | List contacts in a segment | | resend_segment_delete | Delete segments [α-gated, bulk] |

Templates (7)

| Tool | Description | |---|---| | resend_template_create | Create an email template | | resend_template_list | List templates | | resend_template_get | Get a template by ID | | resend_template_update | Update template content | | resend_template_delete | Delete templates [α-gated, bulk] | | resend_template_duplicate | Copy an existing template | | resend_template_publish | Publish a draft template |

Topics (5)

| Tool | Description | |---|---| | resend_topic_create | Create a topic (e.g. "Weekly Newsletter") | | resend_topic_list | List topics | | resend_topic_get | Get a topic by ID | | resend_topic_update | Update name/description/visibility | | resend_topic_delete | Delete topics [α-gated, bulk] |

Broadcasts (6)

| Tool | Description | |---|---| | resend_broadcast_create | Create a broadcast draft (send:false always enforced) | | resend_broadcast_list | List broadcasts | | resend_broadcast_get | Get broadcast details | | resend_broadcast_update | Update a draft broadcast | | resend_broadcast_delete | Delete draft broadcasts [α-gated, bulk] | | resend_broadcast_send | Send/schedule a broadcast [α-gated, idempotent] |

Webhooks (5)

| Tool | Description | |---|---| | resend_webhook_create | Create a webhook endpoint | | resend_webhook_list | List webhooks | | resend_webhook_get | Get a webhook by ID | | resend_webhook_update | Update endpoint, events, or status | | resend_webhook_delete | Delete webhooks [α-gated, bulk] |

Logs (2)

| Tool | Description | |---|---| | resend_log_list | List API request logs | | resend_log_get | Get a log entry by ID |

License

MIT © AIWerk