List contact lists
Your contact lists with name and number of contacts.
MCP tool constant_contact_read → list_lists
read
Returns the lists on the Contacts > Lists page, one page per call. An account holds up to 1,000 lists. Use list_id in list_contacts, add_contacts_to_list, remove_contacts_from_list and send_email.
Parameters
| Name | Type | Description |
|---|---|---|
| limit integer | integer | How many items to return per page. |
| cursor string | string | Next page cursor from the previous call. |
tools/call
{
"jsonrpc": "2.0",
"id": 1,
"method": "tools/call",
"params": {
"name": "constant_contact_read",
"arguments": {
"operation": "list_lists",
"arguments": {}
}
}
}Example response
{
"content": [
{
"type": "text",
"text": "{ ... same JSON as structuredContent ... }"
}
],
"structuredContent": {
"lists": [
{
"list_id": "5a8d3f21-6b9c-4e07-8d14-2f7c9e0a1b36",
"name": "Tenants",
"contacts": 312
},
{
"list_id": "9d2e4b7a-1c3f-4a58-b6e0-7f8a2c5d1e90",
"name": "Re-engage Oct 2026",
"contacts": 0
}
],
"next_cursor": null
},
"isError": false
}