Loops MCP by usefulapi
Manage Loops contacts, mailing lists, and transactional/event emails.
Connect it
Settings → Connectors → Add custom connector
URL: https://loops.usefulapi.io/mcpSettings → Apps & Connectors → Advanced → Developer mode
Create connector with URL: https://loops.usefulapi.io/mcp{
"mcpServers": {
"loops": {
"url": "https://loops.usefulapi.io/mcp"
}
}
}claude mcp add --transport http loops https://loops.usefulapi.io/mcp{
"servers": {
"loops": {
"type": "http",
"url": "https://loops.usefulapi.io/mcp"
}
}
}10 tools, verified live
loops_test_api_keyread-onlyVerify the configured Loops API key and return the team name — a good first call. Loops API: GET /v1/api-key.
loops_find_contactread-onlyFind a contact by email or userId (supply at least one). Loops API: GET /v1/contacts/find.
loops_list_contact_propertiesread-onlyList contact fields / custom properties defined in Loops. Loops API: GET /v1/contacts/properties.
loops_list_mailing_listsread-onlyList all mailing lists in the Loops account (id + name). Loops API: GET /v1/lists.
loops_create_contactcan modifyCreates a contact in Loops (additive). Loops API: POST /v1/contacts/create.
loops_update_contactcan modifyUpdates (or creates) a contact by email/userId. Upserts — creates the contact if not found. Loops API: PUT /v1/contacts/update.
loops_delete_contactcan modifyDeletes a contact from Loops. Destructive. Supply email OR userId. Loops API: POST /v1/contacts/delete.
loops_create_contact_propertycan modifyCreates a custom contact property/field (additive schema change). Loops API: POST /v1/contacts/properties.
loops_send_eventcan modifySends an event to Loops for a contact — TRIGGERS any automations/loops subscribed to this event. Loops API: POST /v1/events/send.
loops_send_transactionalcan modifySENDS a real transactional email via a Loops template. This dispatches an actual email to the recipient. Loops API: POST /v1/transactional.
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