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mcp/harbor
Grok

mailchimp mcp server for Grok

io.github.cyanheads/mailchimp-mcp-server

Mailchimp via MCP: draft, test, and send campaigns; manage audiences and subscribers; pull reports.

client:Grok transport:stdio runtime:npm

Install mailchimp mcp server in Grok

.mcp.json (in your project root)

Held in this page only — never stored, logged, or sent anywhere but back to your screen. 

{
  "mcpServers": {
    "mailchimp-mcp-server": {
      "type": "stdio",
      "command": "npx",
      "args": [
        "-y",
        "@cyanheads/mailchimp-mcp-server"
      ],
      "env": {
        "MAILCHIMP_API_KEY": "<MAILCHIMP_API_KEY>",
        "MAILCHIMP_BASE_URL": "<MAILCHIMP_BASE_URL>",
        "MAILCHIMP_TIMEOUT_MS": "<MAILCHIMP_TIMEOUT_MS>",
        "MAILCHIMP_MAX_RETRIES": "<MAILCHIMP_MAX_RETRIES>",
        "MAILCHIMP_CONCURRENCY_LIMIT": "<MAILCHIMP_CONCURRENCY_LIMIT>",
        "MAILCHIMP_ASSETS_DIR": "<MAILCHIMP_ASSETS_DIR>",
        "MAILCHIMP_TEMPLATES_DIR": "<MAILCHIMP_TEMPLATES_DIR>",
        "MCP_LOG_LEVEL": "<MCP_LOG_LEVEL>"
      }
    }
  }
}

Grok Build reads Claude Code's .mcp.json and Claude Desktop's config unchanged, so a server you have already set up there needs nothing new. The Grok web app and X integration do not take custom servers. Grok docs

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