npm · @cyanheads/mailchimp-mcp-server
$npx -y @cyanheads/mailchimp-mcp-server@0.3.12 MAILCHIMP_API_KEY (required) — Mailchimp Marketing API key, including the '-dc' data-center suffix (e.g. 'abc...-us22'). Generate at Mailchimp → Account → Extras → API keys.
MAILCHIMP_BASE_URL — 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_TIMEOUT_MS — Per-request timeout in milliseconds.
MAILCHIMP_MAX_RETRIES — Max retry attempts for transient upstream failures (0-10).
MAILCHIMP_CONCURRENCY_LIMIT — Max in-flight upstream requests across this process (1-10).
MAILCHIMP_ASSETS_DIR — 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>/.mailchimp-cache.json.
MAILCHIMP_TEMPLATES_DIR — 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 `<name>.meta.yaml` sidecars are read when frontmatter is absent. Canonical write path on free-tier Mailchimp.
MCP_LOG_LEVEL — Minimum log level for output: debug, info, notice, warning, or error.
npm · @cyanheads/mailchimp-mcp-server
$npx -y @cyanheads/mailchimp-mcp-server@0.3.12 MCP_TRANSPORT_TYPE — Selects the HTTP transport.
MAILCHIMP_API_KEY (required) — Mailchimp Marketing API key, including the '-dc' data-center suffix (e.g. 'abc...-us22'). Generate at Mailchimp → Account → Extras → API keys.
MAILCHIMP_BASE_URL — 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_TIMEOUT_MS — Per-request timeout in milliseconds.
MAILCHIMP_MAX_RETRIES — Max retry attempts for transient upstream failures (0-10).
MAILCHIMP_CONCURRENCY_LIMIT — Max in-flight upstream requests across this process (1-10).
MCP_HTTP_HOST — The hostname for the HTTP server.
MCP_HTTP_PORT — The port to run the HTTP server on.
MCP_HTTP_ENDPOINT_PATH — The endpoint path for the MCP server.
MCP_AUTH_MODE — Authentication mode to use: 'none', 'jwt', or 'oauth'.
MCP_LOG_LEVEL — Minimum log level for output: debug, info, notice, warning, or error.