io.usefulapi/customerio

up checked 2026-11-11T08:38:06.112Z

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Publisher-provided title

Customer.io MCP by usefulapi

Publisher-provided description

Query people, segments, campaigns, and message deliveries; send transactional email or broadcasts.

Summary by lookupd

Queries people, segments, campaigns, and delivery metrics in Customer.io, and can send transactional emails or trigger broadcasts.

Install

Claude Code, remote (streamable-http)

claude mcp add --transport http customerio https://customerio.usefulapi.io/mcp

Codex, remote (streamable-http)

codex mcp add customerio --url https://customerio.usefulapi.io/mcp

Cursor, remote (streamable-http) → .cursor/mcp.json

{
  "mcpServers": {
    "customerio": {
      "url": "https://customerio.usefulapi.io/mcp"
    }
  }
}

Other clients: docs. Or tell your agent: Set up lookupd for me: read https://lookupd.com/agent.md and follow it.

Tools (13 tools)

Publisher-provided text

• 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/ema
• 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/campai

Details

• Version: 1.37.3
• Transports: streamable-http
• Uptime (7 days): 100%
• Median latency: 368 ms
• First indexed: 2026-11-01T10:04:14.157Z
• Last seen in registry: 2026-11-11T00:17:23.562Z
• Repository: https://github.com/m190/usefulapi-mcp
• Website: https://usefulapi.io/customerio/

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