Customer.io MCP by usefulapi

Last 30 days

Uptime

100%

Response time

286 ms typical, 286 ms slowest 5%

Last check

6 h ago

Next check

any minute now

How to call it

Add it to any MCP client that supports remote servers.

{
  "mcpServers": {
    "customer-io-mcp-by-usefulapi": {
      "type": "http",
      "url": "https://customerio.usefulapi.io/mcp"
    }
  }
}

13 tools

• customerio_search_customers

  Search/list people by a Customer.io filter (segment or attribute conditions). e.g. filter={"segment":{"id":7}} or {"and":[...]}. App API: POST /v1/customers.

• customerio_get_customer_attributes

  Get a single person's attributes (profile fields). App API: GET /v1/customers/{customer_id}/attributes.

• customerio_get_customer_segments

  List the segments a single person belongs to. App API: GET /v1/customers/{customer_id}/segments.

• customerio_get_customer_messages

  List messages (deliveries) sent to a single person. App API: GET /v1/customers/{customer_id}/messages.

• customerio_list_segments

  List all segments in the workspace (id + name + type). App API: GET /v1/segments.

• customerio_list_campaigns

  List all campaigns in the workspace. App API: GET /v1/campaigns.

• customerio_get_campaign

  Get a single campaign by id. App API: GET /v1/campaigns/{campaign_id}.

• customerio_get_campaign_metrics

  Get delivery/engagement metrics for a campaign over time. App API: GET /v1/campaigns/{campaign_id}/metrics.

• customerio_list_messages

  List sent messages (deliveries) across the workspace, filterable by type/campaign/newsletter. App API: GET /v1/messages.

• customerio_list_exports

  List data exports in the workspace. App API: GET /v1/exports.

• customerio_list_collections

  List reusable data collections in the workspace. App API: GET /v1/collections.

• customerio_send_transactional_email

  ⚠️ SENDS A REAL EMAIL. Send a transactional email using a transactional message template. Delivers immediately to the `to` recipient. App API: POST /v1/send/email.

• customerio_trigger_broadcast

  ⚠️ SENDS TO REAL RECIPIENTS. Trigger an API-triggered broadcast, delivering to the resolved recipient set. App API: POST /v1/send/broadcast (posts to /v1/campaigns/{broadcast_id}/triggers).

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