MailerLite MCP by usefulapi MCP Server

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answering

MailerLite MCP by usefulapi is answering right now. Last checked 11 min ago. It exposes 13 tools. Last commit 2 Nov 2026.

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

Uptime history 91 days of history · worst day 0%

91 days agonow

100.0%

Uptime 24h

91 of 91 checks

Tools

read from the server

151 ms

Response time

average over 24h

Stars

last commit 2 Nov 2026

What changed 46

Every tool that appeared, vanished or quietly changed what it asks for. Recorded since 30 September 2026. No other catalogue keeps this.

2 Nov a tool changed version

31 Oct a tool changed version4 times that day

30 Oct a tool changed version2 times that day

29 Oct a tool changed version2 times that day

28 Oct a tool changed version2 times that day

27 Oct a tool changed version

25 Oct a tool changed version4 times that day

24 Oct a tool changed version3 times that day

23 Oct a tool changed version

22 Oct a tool changed version

and 36 more, back to 30 September 2026

Nothing serious here today

Today is the operative word: we check MailerLite MCP by usefulapi every 15 minutes and re-read its code on every release. Watch it and you find out the day that stops being true.

Connect this server

Endpoint below is the one we actually reach during checks — not the one copied from a README. Last verified 11 min ago.

Claude Code Claude Desktop Codex Cursor VS Code

run in your terminal

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

Settings → Connectors → Add custom connector, then paste this address

https://mailerlite.usefulapi.io/mcp

~/.codex/config.toml

[mcp_servers.mailerlite]
url = "https://mailerlite.usefulapi.io/mcp"

.cursor/mcp.json

{
  "mcpServers": {
    "mailerlite": {
      "url": "https://mailerlite.usefulapi.io/mcp"
    }
  }
}

.vscode/mcp.json

{
  "servers": {
    "mailerlite": {
      "type": "http",
      "url": "https://mailerlite.usefulapi.io/mcp"
    }
  }
}

Available tools 13

Read directly from the server with tools/list, grouped by what they act on. If a tool disappears, we record the date.

mailerlite

mailerlite_assign_subscriber_to_group

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

mailerlite_create_group

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

mailerlite_get_campaign

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

mailerlite_get_subscriber

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

mailerlite_list_automations

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

mailerlite_list_campaigns

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

mailerlite_list_fields

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

mailerlite_list_group_subscribers

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

mailerlite_list_groups

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

mailerlite_list_segments

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

mailerlite_list_subscribers

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

mailerlite_list_webhooks

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

mailerlite_upsert_subscriber

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

Endpoints

URL	Transport	State	Latency	Checked
https://mailerlite.usefulapi.io/mcp	streamable-http	answering	75 ms	11 min ago

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MailerLite MCP by usefulapi — questions

Answers built from our own checks of this server.

What can MailerLite MCP by usefulapi do?

It exposes 13 tools, read directly from the server on our last check. Among them: mailerlite_assign_subscriber_to_group, mailerlite_create_group, mailerlite_get_campaign, mailerlite_get_subscriber, mailerlite_list_automations, mailerlite_list_campaigns and 7 more. The full list with descriptions is on this page — we take it from the server itself via tools/list, not from a README. How MCP servers expose tools in the first place →

Is MailerLite MCP by usefulapi working right now?

We send a real MCP handshake every 15 minutes. Over the last 24 hours 91 of 91 checks got a reply (100.0%), average response time 151 ms. The bar chart above shows every period we have measured.

How do I connect MailerLite MCP by usefulapi?

Copy the ready config from this page. We generate it for Claude Code, Claude Desktop, Codex, Cursor and VS Code, each in the form that client actually reads. It is a remote server, so there is nothing to install — the client connects to the address.

Does MailerLite MCP by usefulapi need an API key?

No. MailerLite MCP by usefulapi completed a full MCP handshake with us as an anonymous client and listed its tools without asking for anything. All 13 of them are readable on this page. This is what we observed, not what the docs claim.

How fast is MailerLite MCP by usefulapi?

It answers our handshake in 151 ms on average, which is faster than 83% of all working MCP servers we measure. That puts it in the quick quarter of the ecosystem. The comparison comes from our own checks across the whole registry, every 15 minutes.

Is MailerLite MCP by usefulapi open source?

The code is open source: it is published under the MIT licence, written in JavaScript, 1 stars on GitHub and 1 open issue. The licence covers the code in the repository, not the hosted service at mailerlite.usefulapi.io, which runs on its operator's own terms.