MailerLite MCP by usefulapi

io.usefulapi/mailerlite

Read subscribers, groups, campaigns, fields, segments, automations, webhooks; safe additive writes.

Yes, your AI can use this right now.Answered a live MCP handshake in 239 ms with no sign-in needed and exposes 13 tools.

Connect it

Settings → Connectors → Add custom connector
URL: https://mailerlite.usefulapi.io/mcp

13 tools, verified live

Pulled straight from the server with tools/list on 2026-10-18.
mailerlite_list_subscribersread-only

List subscribers, optionally filtered by status. Cursor-paginated. MailerLite API: GET /subscribers.

mailerlite_get_subscriberread-only

Fetch a single subscriber by id or email address. MailerLite API: GET /subscribers/{id}.

mailerlite_list_groupsread-only

List subscriber groups/lists, optionally filtered by name. Page-paginated. MailerLite API: GET /groups.

mailerlite_list_group_subscribersread-only

List the subscribers belonging to a group, optionally filtered by status. Cursor-paginated. MailerLite API: GET /groups/{group_id}/subscribers.

mailerlite_list_campaignsread-only

List campaigns, optionally filtered by status. Page-paginated. Read-only — this server does NOT send campaigns. MailerLite API: GET /campaigns.

mailerlite_get_campaignread-only

Fetch a single campaign by id. Read-only. MailerLite API: GET /campaigns/{campaign_id}.

mailerlite_list_fieldsread-only

List custom/default subscriber fields, optionally filtered by type or keyword. Page-paginated. MailerLite API: GET /fields.

mailerlite_list_segmentsread-only

List segments. Page-paginated. MailerLite API: GET /segments.

mailerlite_list_automationsread-only

List automations (workflows), optionally filtered by enabled state. Page-paginated. MailerLite API: GET /automations.

mailerlite_list_webhooksread-only

List configured webhooks. Page-paginated. MailerLite API: GET /webhooks.

mailerlite_upsert_subscribercan modify

Creates or updates a subscriber (upsert by email). Additive — does NOT send any email. MailerLite API: POST /subscribers.

mailerlite_create_groupcan modify

Creates a subscriber group/list (additive). MailerLite API: POST /groups.

mailerlite_assign_subscriber_to_groupcan modify

Adds a subscriber to a group (additive membership). MailerLite API: POST /subscribers/{subscriber_id}/groups/{group_id}.

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