Connector guide3-minute read16 MCP tools7 languages

How to Connect Mailchimp to Claude — via MCP

Drive Mailchimp's Marketing API from any AI agent: audiences (lists), members, tags, campaigns, templates, segments and account info. 16 ready-to-use tools. Bearer-token auth with a datacenter-prefixed base URL.

HCBy HelpCode teamUpdated 3 min read Open-source on GitHub

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Mailchimp

Mailchimp

Drive Mailchimp's Marketing API from any AI agent: audiences (lists), members, tags, campaigns, templates, segments and account info. 16 ready-to-use tools. Bearer-token auth with a datacenter-prefixed base URL.

tools

16

Region

INTL

Category

Email

Authentication

Bearer Token

Required env vars

MAILCHIMP_API_KEYMAILCHIMP_DC
Install in one click on Cloud

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  • 7-day free trial
    No credit card required
  • GDPR & SOC 2 ready
    EU data residency, audit logs
  • Open-source on GitHub
    Open source · AGPL-3.0
  • Works with ChatGPT, Claude, Gemini
    Any MCP-compatible client

Skip the install. Get this working in under 2 minutes.

Start a free trial on cloud.anythingmcp.com, add the Mailchimp in one click, then point your AI client (Claude, ChatGPT, Copilot or Cursor) at the generated MCP endpoint. No Docker, no git clone, zero engineering experience required.

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AnythingMCP is listed in Claude's connector directory: add it to Claude in one click (opens in a new tab), then sign in and choose which MCP servers Claude may use.

Summary

Drive Mailchimp's Marketing API from any AI agent: audiences (lists), members, tags, campaigns, templates, segments and account info. 16 ready-to-use tools. Bearer-token auth with a datacenter-prefixed base URL.

Try asking

Example prompts for Mailchimp

Click any prompt to copy it. Paste into Claude, ChatGPT, Cursor, Gemini, Copilot or OpenClaw to run it against this connector.

Mailchimp · live via MCP
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Opus 4.7

Claude is AI and can make mistakes. Please double-check responses.

💡 No install? Use cloud.anythingmcp.com directly. Sign in, click Connectors → Mailchimp, paste your credentials, mint an MCP API key — done. No Docker, no git clone, no local server.

Mailchimp + Claude

Drive Mailchimp's Marketing API from any AI agent: audiences (lists), members, tags, campaigns, templates, segments and account info. 16 ready-to-use tools. Bearer-token auth with a datacenter-prefixed base URL.

Prerequisites

See the full setup instructions baked into the connector (visible in the in-app store when you select the connector). The required environment variables for this connector are:

MAILCHIMP_API_KEY, MAILCHIMP_DC

Step 1 — Get credentials

Datacenter-prefixed base URL (Mailchimp-specific quirk): each account lives on a numbered datacenter — us1, us2, … us21, etc. — and the API URL embeds it: https://us{N}.api.mailchimp.com/3.0. The datacenter suffix is the last segment of your API key after the dash (so an API key with -us6 at the end lives on us6). The adapter takes the datacenter as an env var MAILCHIMP_DC and substitutes it into the base URL — if you set the wrong DC you'll get 404 NotResolved errors.

…(continued in the in-app connector instructions)

Step 2 — Install the adapter

curl -fsSL https://raw.githubusercontent.com/HelpCode-ai/anythingmcp/main/docker-compose.quickstart.yml -o docker-compose.yml
printf 'JWT_SECRET=%s\nENCRYPTION_KEY=%s\n' "$(openssl rand -hex 32)" "$(openssl rand -hex 32)" > .env
docker compose up -d

Step 3 — Add the connector in Claude

Your server URL: in AnythingMCP, open MCP Servers → the server this connector is on, and copy its URL (https://cloud.anythingmcp.com/mcp/…). Use it wherever this guide shows YOUR_SERVER_ID.

Recommended path — works on claude.ai web without editing any config file.

  1. In Claude, open Customize → Connectors.
  2. Click +, then Add custom connector.
  3. Enter a name, e.g. Mailchimp, and the remote MCP server URL https://cloud.anythingmcp.com/mcp/YOUR_SERVER_ID, then click Add.
  4. Click Connect and sign in to AnythingMCP (OAuth) to allow access.

All tools below appear in your chat — start typing prompts.

Available tools

ToolWhat it does
mailchimp_pingHealth check — returns 'Everything's Chimpy!' if the API key and datacenter are valid
mailchimp_get_account_infoReturn account-level info: company name, contact, plan type, total subscribers across all audiences, industry, language, last login
mailchimp_list_audiencesList all audiences (formerly 'lists') on the account
mailchimp_get_audienceFetch a single audience by ID
mailchimp_create_audienceCreate a new audience
mailchimp_list_membersList members of an audience, optionally filtered by status or subscription date
mailchimp_get_memberFetch a single member by their subscriber_hash (MD5 of lowercase email)
mailchimp_upsert_memberAdd a member to an audience if missing, or update them if they already exist
mailchimp_update_member_tagsAdd or remove tags on a member
mailchimp_delete_member_permanentlyPERMANENTLY delete a member from an audience — cannot be re-added later (Mailchimp keeps a deletion hash forever for compliance)
mailchimp_list_segmentsList segments of an audience
mailchimp_list_campaignsList campaigns on the account, optionally filtered by status, type, audience or date range
mailchimp_get_campaignFetch a single campaign by ID
mailchimp_create_campaignCreate a new campaign (does NOT send it)
mailchimp_send_campaignSend (deliver) a previously-created campaign immediately
mailchimp_list_templatesList templates (user-created and Mailchimp-provided) available on the account

FAQ

Does it work with Claude Code as well as Claude Desktop? Yes — point both at https://cloud.anythingmcp.com/mcp/YOUR_SERVER_ID.

Next steps

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