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MailerLite MCP by usefulapi

by usefulapi.io · remote · no sign-in to list tools · v1.16.3 · published by io.usefulapi

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

Deletes · 3
CompareRegistry entry

13 tools: 3 can delete or cancel things and 10 only read.

Scanned Oct 21, 2026

No check matched anything in the tool definitions. No finding is not a safety guarantee. How the checks work.

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

Tools

Open a tool for its reasons and full description. Descriptions are the publisher's own words, shown as they are.

13 tools

Deletes or cancels 3Claude Code: deny
  • mailerlite_assign_subscriber_to_groupAdds a subscriber to a group (additive membership).No findings

    Why it is in this group

    • The name "mailerlite_assign_subscriber_to_group" says "assign": a word for a change.
    • The server marks it destructive (destructiveHint: true).
    Description, as the server wrote it
    Adds a subscriber to a group (additive membership). MailerLite API: POST /subscribers/{subscriber_id}/groups/{group_id}.

    Annotations the server declares

    • title: Assign subscriber to group
    • destructiveHint: true
  • mailerlite_create_groupCreates a subscriber group/list (additive).No findings

    Why it is in this group

    • The name "mailerlite_create_group" says "create": a word for a change.
    • The server marks it destructive (destructiveHint: true).
    Description, as the server wrote it
    Creates a subscriber group/list (additive). MailerLite API: POST /groups.

    Annotations the server declares

    • title: Create group
    • destructiveHint: true
  • mailerlite_upsert_subscriberCreates or updates a subscriber (upsert by email).No findings

    Why it is in this group

    • The name "mailerlite_upsert_subscriber" says "upsert": a word for a change.
    • The server marks it destructive (destructiveHint: true).
    Description, as the server wrote it
    Creates or updates a subscriber (upsert by email). Additive — does NOT send any email. MailerLite API: POST /subscribers.

    Annotations the server declares

    • title: Upsert subscriber
    • destructiveHint: true
Only reads 10Claude Code: allow
  • mailerlite_get_campaignFetch a single campaign by id.No findings

    Why it is in this group

    • The name "mailerlite_get_campaign" says "get": a word for reading.
    Description, as the server wrote it
    Fetch a single campaign by id. Read-only. MailerLite API: GET /campaigns/{campaign_id}.

    Annotations the server declares

    • title: Get campaign
    • readOnlyHint: true
  • mailerlite_get_subscriberFetch a single subscriber by id or email address.No findings

    Why it is in this group

    • The name "mailerlite_get_subscriber" says "get": a word for reading.
    Description, as the server wrote it
    Fetch a single subscriber by id or email address. MailerLite API: GET /subscribers/{id}.

    Annotations the server declares

    • title: Get subscriber
    • readOnlyHint: true
  • mailerlite_list_automationsList automations (workflows), optionally filtered by enabled state.No findings

    Why it is in this group

    • The name "mailerlite_list_automations" says "list": a word for reading.
    Description, as the server wrote it
    List automations (workflows), optionally filtered by enabled state. Page-paginated. MailerLite API: GET /automations.

    Annotations the server declares

    • title: List automations
    • readOnlyHint: true
  • mailerlite_list_campaignsList campaigns, optionally filtered by status.No findings

    Why it is in this group

    • The name "mailerlite_list_campaigns" says "list": a word for reading.
    Description, as the server wrote it
    List campaigns, optionally filtered by status. Page-paginated. Read-only — this server does NOT send campaigns. MailerLite API: GET /campaigns.

    Annotations the server declares

    • title: List campaigns
    • readOnlyHint: true
  • mailerlite_list_fieldsList custom/default subscriber fields, optionally filtered by type or keyword.No findings

    Why it is in this group

    • The name "mailerlite_list_fields" says "list": a word for reading.
    Description, as the server wrote it
    List custom/default subscriber fields, optionally filtered by type or keyword. Page-paginated. MailerLite API: GET /fields.

    Annotations the server declares

    • title: List fields
    • readOnlyHint: true
  • mailerlite_list_group_subscribersList the subscribers belonging to a group, optionally filtered by status.No findings

    Why it is in this group

    • The name "mailerlite_list_group_subscribers" says "list": a word for reading.
    Description, as the server wrote it
    List the subscribers belonging to a group, optionally filtered by status. Cursor-paginated. MailerLite API: GET /groups/{group_id}/subscribers.

    Annotations the server declares

    • title: List group subscribers
    • readOnlyHint: true
  • mailerlite_list_groupsList subscriber groups/lists, optionally filtered by name.No findings

    Why it is in this group

    • The name "mailerlite_list_groups" says "list": a word for reading.
    Description, as the server wrote it
    List subscriber groups/lists, optionally filtered by name. Page-paginated. MailerLite API: GET /groups.

    Annotations the server declares

    • title: List groups
    • readOnlyHint: true
  • mailerlite_list_segmentsList segments.No findings

    Why it is in this group

    • The name "mailerlite_list_segments" says "list": a word for reading.
    Description, as the server wrote it
    List segments. Page-paginated. MailerLite API: GET /segments.

    Annotations the server declares

    • title: List segments
    • readOnlyHint: true
  • mailerlite_list_subscribersList subscribers, optionally filtered by status.No findings

    Why it is in this group

    • The name "mailerlite_list_subscribers" says "list": a word for reading.
    Description, as the server wrote it
    List subscribers, optionally filtered by status. Cursor-paginated. MailerLite API: GET /subscribers.

    Annotations the server declares

    • title: List subscribers
    • readOnlyHint: true
  • mailerlite_list_webhooksList configured webhooks.No findings

    Why it is in this group

    • The name "mailerlite_list_webhooks" says "list": a word for reading.
    Description, as the server wrote it
    List configured webhooks. Page-paginated. MailerLite API: GET /webhooks.

    Annotations the server declares

    • title: List webhooks
    • readOnlyHint: true

This is not a safety rating, and no finding is not a safety guarantee. The groups and findings come from fixed checks of the tool definitions the server returned on the date shown, not from its code or what it does when called. How the checks work.

Install

Pinned to version 1.16.3. Values in angle brackets are yours to fill in.

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

Run in a terminal.

Claude Code permissions

Allow the reads, ask before a change, deny the deletes. Paste into .claude/settings.json.

.claude/settings.json
{
  "permissions": {
    "allow": [
      "mcp__mailerlite__mailerlite_list_subscribers",
      "mcp__mailerlite__mailerlite_get_subscriber",
      "mcp__mailerlite__mailerlite_list_groups",
      "mcp__mailerlite__mailerlite_list_group_subscribers",
      "mcp__mailerlite__mailerlite_list_campaigns",
      "mcp__mailerlite__mailerlite_get_campaign",
      "mcp__mailerlite__mailerlite_list_fields",
      "mcp__mailerlite__mailerlite_list_segments",
      "mcp__mailerlite__mailerlite_list_automations",
      "mcp__mailerlite__mailerlite_list_webhooks"
    ],
    "ask": [],
    "deny": [
      "mcp__mailerlite__mailerlite_upsert_subscriber",
      "mcp__mailerlite__mailerlite_create_group",
      "mcp__mailerlite__mailerlite_assign_subscriber_to_group"
    ]
  }
}

Tools that only read are allowed, tools that change things ask first, tools that delete or cancel are denied. It assumes the server is installed as mailerlite. Review it before you use it.