AI Plugin Index
mailchimp-mcp-server
CommunityMCP server by cyanheads · updated · ★ 2 · 126 downloads a week
Mailchimp via MCP: draft, test, and send campaigns; manage audiences and subscribers; pull reports. mailchimp-mcp-server is a community project by cyanheads, not verified by a company domain.
Last commit 5 days ago
Apache-2.0: permissive, fine for commercial use
Clear description, published package or server URL, original repository
No risky patterns in the files we checked
What you need
| Setting | Needed | What it is |
|---|---|---|
MAILCHIMP_Environment variable | Required | Mailchimp Marketing API key, including the '-dc' data-center suffix (e.g. 'abc...-us22'). Generate at Mailchimp → Account → Extras → API keys. |
MAILCHIMP_Environment variable | Optional | Override the API base URL (for mock servers or testing). Defaults to 'https://{dc}.api.mailchimp.com/3.0' derived from the API key suffix. |
MAILCHIMP_Environment variable | Optional | Per-request timeout in milliseconds. Default: 60000 |
MAILCHIMP_Environment variable | Optional | Max retry attempts for transient upstream failures (0-10). Default: 3 |
MAILCHIMP_Environment variable | Optional | Max in-flight upstream requests across this process (1-10). Default: 4 |
MAILCHIMP_Environment variable | Optional | Absolute path to a local assets directory. When set (Node-only — Workers ignored), enables the `mailchimp_assets` tool and auto-uploads `@assets/<path>` references in campaign HTML to Mailchimp File Manager at send time. Cache at <dir>/.mai |
MAILCHIMP_Environment variable | Optional | Absolute path to a local templates directory. When set (Node-only), enables the `mailchimp_local_templates` tool and support for `content.localTemplate` on campaign tools. Templates are `.eta` files with optional YAML frontmatter; legacy `< |
MCP_Environment variable | Optional | Minimum log level for output: debug, info, notice, warning, or error. Default: info |
From the publisher's entry in the official MCP Registry. Required settings are already in the install config below as placeholders.
Install mailchimp-mcp-server
Built from the published package, never by AIclaude mcp add mailchimp-mcp-server -e MAILCHIMP_API_KEY=YOUR_MAILCHIMP_API_KEY -- npx -y @cyanheads/mailchimp-mcp-serverRun in your terminal. Add --scope user to use it in every project.
{
"mcpServers": {
"mailchimp-mcp-server": {
"command": "npx",
"args": [
"-y",
"@cyanheads/mailchimp-mcp-server"
],
"env": {
"MAILCHIMP_API_KEY": "YOUR_MAILCHIMP_API_KEY"
}
}
}
}Settings, Developer, Edit config. Paste into claude_desktop_config.json and restart.
Step-by-step: install mailchimp-mcp-server in Claude Desktop
{
"mcpServers": {
"mailchimp-mcp-server": {
"command": "npx",
"args": [
"-y",
"@cyanheads/mailchimp-mcp-server"
],
"env": {
"MAILCHIMP_API_KEY": "YOUR_MAILCHIMP_API_KEY"
}
}
}
}Add to ~/.cursor/mcp.json (all projects) or .cursor/mcp.json (this project).
{
"servers": {
"mailchimp-mcp-server": {
"command": "npx",
"args": [
"-y",
"@cyanheads/mailchimp-mcp-server"
],
"env": {
"MAILCHIMP_API_KEY": "YOUR_MAILCHIMP_API_KEY"
}
}
}
}Add to .vscode/mcp.json. VS Code uses "servers", not "mcpServers".
codex mcp add mailchimp-mcp-server --env MAILCHIMP_API_KEY=YOUR_MAILCHIMP_API_KEY -- npx -y @cyanheads/mailchimp-mcp-server{
"mcpServers": {
"mailchimp-mcp-server": {
"command": "npx",
"args": [
"-y",
"@cyanheads/mailchimp-mcp-server"
],
"env": {
"MAILCHIMP_API_KEY": "YOUR_MAILCHIMP_API_KEY"
}
}
}
}Add to ~/.gemini/config/mcp_config.json (all projects) or .agents/mcp_config.json (this project).
Step-by-step: install mailchimp-mcp-server in Antigravity CLI
gemini mcp add mailchimp-mcp-server npx -y @cyanheads/mailchimp-mcp-serverGemini CLI was replaced by Antigravity CLI in June 2026 and remains only for enterprise licences and paid API keys.
MCP servers run with your permissions and can read what you give them access to. Some need an API key: check the README and add it under env in the mailchimp-mcp-server block.
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Security check
ANo download-and-run commands, hidden instructions or signs of sending keys out were found.
Checked automatically: README.md, package.json. This looks for known risky patterns and is not a full audit. How grades work
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mailchimp-mcp-server: common questions
How do I install mailchimp-mcp-server?
In Claude Code run claude mcp add mailchimp-mcp-server -e MAILCHIMP_API_KEY=YOUR_MAILCHIMP_API_KEY -- npx -y @cyanheads/mailchimp-mcp-server. For Claude Desktop, Cursor and VS Code, paste the config shown above and restart. See the install guides.
Is mailchimp-mcp-server the official server?
mailchimp-mcp-server is a community project by cyanheads, not verified by a company domain.
Is mailchimp-mcp-server free?
The code is published under the Apache-2.0 licence. The service it connects to may have its own pricing.
Is mailchimp-mcp-server safe to use?
It scores 75 of 100. Grades: maintenance A, licence A, quality C. Security check: grade A, no risky patterns found in the files checked. Review the code before you install. How grades work.
What are alternatives to mailchimp-mcp-server?
Similar MCP servers: mockserver, XcodeBuildMCP, Repowise, SmartBear MCP.
Does mailchimp-mcp-server work with ChatGPT?
Not directly. It runs locally, and ChatGPT only connects to remote servers with a URL. Use it in Claude Code, Claude Desktop, Cursor, VS Code or Codex.