Mailchimp MCP by usefulapi MCP Server

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answering

Mailchimp MCP by usefulapi is answering right now. Last checked moments ago. It exposes 18 tools. Last commit 2 Nov 2026.

Read audiences, members, campaigns and reports; add, update, tag and archive subscribers.

Uptime history 91 days of history · worst day 21%

91 days agonow

100.0%

Uptime 24h

92 of 92 checks

Tools

read from the server

157 ms

Response time

average over 24h

Stars

last commit 2 Nov 2026

What changed 47

Every tool that appeared, vanished or quietly changed what it asks for. Recorded since 1 October 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

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

20 Oct a tool changed version3 times that day

and 37 more, back to 1 October 2026

Mailchimp MCP by usefulapi missed one check this week

Everything else answered, so this is steady rather than shaky. We check every 15 minutes, which is how a one-off gets told apart from the start of a pattern, and how you hear about the next one within the hour instead of from your users.

Connect this server

Endpoint below is the one we actually reach during checks — not the one copied from a README. Last verified 0 min ago.

Claude Code Claude Desktop Codex Cursor VS Code

run in your terminal

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

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

https://mailchimp.usefulapi.io/mcp

~/.codex/config.toml

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

.cursor/mcp.json

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

.vscode/mcp.json

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

Available tools 18

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

mailchimp

mailchimp_add_member

Add a new member (subscriber) to an audience (list). Note: status "pending" triggers a double-opt-in confirmation email. REST: POST /lists/{list_id}/members.

mailchimp_add_member_tags

Add and/or remove tags on an audience member (by email or subscriber_hash). `tags` are added (status active); `removeTags` are removed (status inactive). Mailchimp returns HTTP 204 (no body). REST: POST /lists/{list_id}/members/{subscriber_hash}/tags (email → MD5 hash).

mailchimp_archive_member

Archive (soft-remove) an audience member — reversible; this is NOT the permanent-delete action. REST: DELETE /lists/{list_id}/members/{subscriber_hash} (email → MD5 hash). Returns HTTP 204 (no body).

mailchimp_get_account

Get the API Root — the authenticated Mailchimp account: account name, total subscribers, contact info, plan and industry stats. REST: GET /.

mailchimp_get_audience

Get a single audience (list) by id, including subscriber stats, default from-name/email and settings. REST: GET /lists/{list_id}.

mailchimp_get_campaign

Get a single campaign by id, including its settings, recipients and send status. REST: GET /campaigns/{campaign_id}.

mailchimp_get_campaign_report

Get the report for one campaign — opens, clicks, bounces, unsubscribes and other engagement summary stats. REST: GET /reports/{campaign_id}.

mailchimp_get_member

Get a single audience member (subscriber) by email or subscriber_hash, including status, merge fields, tags and stats. REST: GET /lists/{list_id}/members/{subscriber_hash} (email → MD5 hash).

mailchimp_list_audiences

List the account's audiences — Mailchimp's `/lists` resource (an audience is a list of subscribers). Paginated, with optional sort. REST: GET /lists.

mailchimp_list_automations

List the account's classic automations (automated email workflows). Paginated. REST: GET /automations.

mailchimp_list_campaigns

List the account's campaigns (email sends). Paginated, with optional type/status/audience filters and sort. REST: GET /campaigns.

mailchimp_list_member_tags

List the tags applied to a single audience member (by email or subscriber_hash). Paginated. REST: GET /lists/{list_id}/members/{subscriber_hash}/tags (email → MD5 hash).

mailchimp_list_members

List members of an audience (list). Paginated, with an optional status filter and sort. REST: GET /lists/{list_id}/members.

mailchimp_list_reports

List campaign reports (aggregate performance for sent campaigns). Paginated, with an optional type filter. REST: GET /reports.

mailchimp_list_segments

List an audience's segments and tags (saved segments include static tags). Paginated. REST: GET /lists/{list_id}/segments.

mailchimp_list_templates

List the account's email templates (saved and pre-built layouts). Paginated, with optional type filter and sort. REST: GET /templates.

mailchimp_search_members

Search for members across the account (or one audience) by email, name or other fields. Returns exact + full-text matches. REST: GET /search-members.

mailchimp_update_member

Update an existing audience member (by email or subscriber_hash). Only the fields you supply change. REST: PATCH /lists/{list_id}/members/{subscriber_hash} (email → MD5 hash).

Endpoints

URL	Transport	State	Latency	Checked
https://mailchimp.usefulapi.io/mcp	streamable-http	answering	71 ms	0 min ago

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Mailchimp MCP by usefulapi — questions

Answers built from our own checks of this server.

What can Mailchimp MCP by usefulapi do?

It exposes 18 tools, read directly from the server on our last check. Among them: mailchimp_add_member, mailchimp_add_member_tags, mailchimp_archive_member, mailchimp_get_account, mailchimp_get_audience, mailchimp_get_campaign and 12 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 Mailchimp MCP by usefulapi working right now?

We send a real MCP handshake every 15 minutes. Over the last 24 hours 92 of 92 checks got a reply (100.0%), average response time 157 ms. The bar chart above shows every period we have measured.

How do I connect Mailchimp 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 Mailchimp MCP by usefulapi need an API key?

No. Mailchimp MCP by usefulapi completed a full MCP handshake with us as an anonymous client and listed its tools without asking for anything. All 18 of them are readable on this page. This is what we observed, not what the docs claim.

How fast is Mailchimp MCP by usefulapi?

It answers our handshake in 157 ms on average, which is faster than 82% 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 Mailchimp 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 mailchimp.usefulapi.io, which runs on its operator's own terms.