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Customer.io MCP by usefulapi

by io.usefulapi
OverviewDiscussionsAdmin

List messages

customerio_list_messages
Read-only

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

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault
typeNoMessage type filter, e.g. email | push | sms | in_app | webhook | slack | twilio.
limitNoMax messages to return.
startNoPagination cursor from a previous response's `next`.
draftsNoInclude drafts.
campaign_idNoFilter to a specific campaign.
newsletter_idNoFilter to a specific newsletter.

Schema Changelog

Changes observed during successful MCP inspections.

  1. Changed5 schema fields changed
    • changedInput schema / $schema
      Previous value: -"http://json-schema.org/draft-07/schema#"New value: +"https://json-schema.org/draft/2020-12/schema"
    • removedInput schema / properties / campaign_id / anyOf
      Removed value: -[
-  {
-    "type": "string"
-  },
-  {
-    "type": "number"
-  }
-]
    • addedInput schema / properties / campaign_id / type
      Added value: +[
+  "string",
+  "number"
+]
    • removedInput schema / properties / newsletter_id / anyOf
      Removed value: -[
-  {
-    "type": "string"
-  },
-  {
-    "type": "number"
-  }
-]
    • addedInput schema / properties / newsletter_id / type
      Added value: +[
+  "string",
+  "number"
+]
  2. First observed

TDQS

Score is being calculated.

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