usefulapi

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

Claude

Open Settings → Connectors → Add custom connector
Paste this URL:
https://mailchimp.usefulapi.io/mcp
Authenticate with Mailchimp when prompted

Cursor · VS Code · Windsurf · Cline

Add to your MCP config, then reload & authorize:

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

live20 toolsFree 100 tool calls / monthPro $9/mo · $90/yr

Tools 20

Tool	Type	What it does
`mailchimp_get_account`	read	Get account Get the API Root — the authenticated Mailchimp account: account name, total subscribers, contact info, plan and industry stats. REST: GET /.
`mailchimp_list_audiences`	read	List audiences (lists) List the account's audiences — Mailchimp's `/lists` resource (an audience is a list of subscribers). Paginated, with optional sort. REST: GET /lists.
`mailchimp_get_audience`	read	Get audience (list) Get a single audience (list) by id, including subscriber stats, default from-name/email and settings. REST: GET /lists/{list_id}.
`mailchimp_list_members`	read	List members List members of an audience (list). Paginated, with an optional status filter and sort. REST: GET /lists/{list_id}/members.
`mailchimp_get_member`	read	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_search_members`	read	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_list_campaigns`	read	List campaigns List the account's campaigns (email sends). Paginated, with optional type/status/audience filters and sort. REST: GET /campaigns.
`mailchimp_get_campaign`	read	Get campaign Get a single campaign by id, including its settings, recipients and send status. REST: GET /campaigns/{campaign_id}.
`mailchimp_list_reports`	read	List reports List campaign reports (aggregate performance for sent campaigns). Paginated, with an optional type filter. REST: GET /reports.
`mailchimp_get_campaign_report`	read	Get campaign report Get the report for one campaign — opens, clicks, bounces, unsubscribes and other engagement summary stats. REST: GET /reports/{campaign_id}.
`mailchimp_list_automations`	read	List automations List the account's classic automations (automated email workflows). Paginated. REST: GET /automations.
`mailchimp_list_templates`	read	List templates List the account's email templates (saved and pre-built layouts). Paginated, with optional type filter and sort. REST: GET /templates.
`mailchimp_list_segments`	read	List segments List an audience's segments and tags (saved segments include static tags). Paginated. REST: GET /lists/{list_id}/segments.
`mailchimp_list_member_tags`	read	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_add_member`	write	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_update_member`	write	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).
`mailchimp_add_member_tags`	write	Add/remove 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`	write	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_usage_status`	meta	Usage status (free-tier meter) Report the caller's current free-tier usage this month: calls used, monthly limit, remaining, and whether the cap is reached.
`mailchimp_upgrade`	meta	Upgrade to Pro (unlimited) Subscribe to Pro for unlimited tool calls, monthly ($9) or yearly ($90). Returns a Stripe Checkout link.

Pricing

Plan	Price	Limit
Free	$0	100 tool calls / month
Pro	$9/mo · $90/yr	Unlimited

This is a Model Context Protocol endpoint — meant to be connected from an AI client, not opened in a browser. An invalid_token response at the URL is the auth gate working as designed; clients authenticate automatically.