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io.github.cyanheads/mailchimp-mcp-server

io.github.cyanheads/mailchimp-mcp-server

by io.github.cyanheads· v0.6.0Source: Official MCP Registry
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Version details

Version
0.6.0
Source
Source: Official MCP Registry
Published
Registry last updated
First observed by Squatch
Content fingerprint
8af31f7f8db814dcfbc826c028a7f1d1b9cc3b741cba473b08dba15fcfffeb57

Transports in this version

  • packagestdionpm @cyanheads/mailchimp-mcp-serverUnknown
  • packagestreamable-httpnpm @cyanheads/mailchimp-mcp-serverUnknown
Registry metadata (server.json, sanitized)
{
  "_meta": {
    "io.modelcontextprotocol.registry/official": {
      "status": "active",
      "isLatest": true,
      "updatedAt": "2026-11-01T05:30:30.39976Z",
      "publishedAt": "2026-11-01T05:30:30.39976Z",
      "statusChangedAt": "2026-11-01T05:30:30.39976Z"
    }
  },
  "server": {
    "name": "io.github.cyanheads/mailchimp-mcp-server",
    "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
    "version": "0.6.0",
    "packages": [
      {
        "version": "0.6.0",
        "transport": {
          "type": "stdio"
        },
        "identifier": "@cyanheads/mailchimp-mcp-server",
        "runtimeHint": "npx",
        "registryType": "npm",
        "registryBaseUrl": "https://registry.npmjs.org",
        "environmentVariables": [
          {
            "name": "MAILCHIMP_API_KEY",
            "format": "string",
            "isRequired": true,
            "description": "Mailchimp Marketing API key, including the '-dc' data-center suffix (e.g. 'abc...-us22'). Generate at Mailchimp → Account → Extras → API keys."
          },
          {
            "name": "MAILCHIMP_BASE_URL",
            "format": "string",
            "description": "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."
          },
          {
            "name": "MAILCHIMP_TIMEOUT_MS",
            "format": "string",
            "default": "60000",
            "description": "Per-request timeout in milliseconds."
          },
          {
            "name": "MAILCHIMP_MAX_RETRIES",
            "format": "string",
            "default": "3",
            "description": "Max retry attempts for transient upstream failures (0-10)."
          },
          {
            "name": "MAILCHIMP_CONCURRENCY_LIMIT",
            "format": "string",
            "default": "4",
            "description": "Max in-flight upstream requests across this process (1-10)."
          },
          {
            "name": "MAILCHIMP_ASSETS_DIR",
            "format": "string",
            "description": "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."
          },
          {
            "name": "MAILCHIMP_TEMPLATES_DIR",
            "format": "string",
            "description": "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."
          },
          {
            "name": "MCP_LOG_LEVEL",
            "format": "string",
            "default": "info",
            "description": "Minimum log level for output: debug, info, notice, warning, or error."
          }
        ]
      },
      {
        "version": "0.6.0",
        "transport": {
          "url": "http://localhost:3010/mcp",
          "type": "streamable-http"
        },
        "identifier": "@cyanheads/mailchimp-mcp-server",
        "runtimeHint": "npx",
        "registryType": "npm",
        "registryBaseUrl": "https://registry.npmjs.org",
        "environmentVariables": [
          {
            "name": "MCP_TRANSPORT_TYPE",
            "value": "http",
            "format": "string",
            "description": "Selects the HTTP transport."
          },
          {
            "name": "MAILCHIMP_API_KEY",
            "format": "string",
            "isRequired": true,
            "description": "Mailchimp Marketing API key, including the '-dc' data-center suffix (e.g. 'abc...-us22'). Generate at Mailchimp → Account → Extras → API keys."
          },
          {
            "name": "MAILCHIMP_BASE_URL",
            "format": "string",
            "description": "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."
          },
          {
            "name": "MAILCHIMP_TIMEOUT_MS",
            "format": "string",
            "default": "60000",
            "description": "Per-request timeout in milliseconds."
          },
          {
            "name": "MAILCHIMP_MAX_RETRIES",
            "format": "string",
            "default": "3",
            "description": "Max retry attempts for transient upstream failures (0-10)."
          },
          {
            "name": "MAILCHIMP_CONCURRENCY_LIMIT",
            "format": "string",
            "default": "4",
            "description": "Max in-flight upstream requests across this process (1-10)."
          },
          {
            "name": "MCP_HTTP_HOST",
            "format": "string",
            "default": "127.0.0.1",
            "description": "The hostname for the HTTP server."
          },
          {
            "name": "MCP_HTTP_PORT",
            "format": "string",
            "default": "3010",
            "description": "The port to run the HTTP server on."
          },
          {
            "name": "MCP_HTTP_ENDPOINT_PATH",
            "format": "string",
            "default": "/mcp",
            "description": "The endpoint path for the MCP server."
          },
          {
            "name": "MCP_AUTH_MODE",
            "format": "string",
            "default": "none",
            "description": "Authentication mode to use: 'none', 'jwt', or 'oauth'."
          },
          {
            "name": "MCP_LOG_LEVEL",
            "format": "string",
            "default": "info",
            "description": "Minimum log level for output: debug, info, notice, warning, or error."
          }
        ]
      }
    ],
    "repository": {
      "url": "https://github.com/cyanheads/mailchimp-mcp-server",
      "source": "github"
    },
    "description": "Mailchimp via MCP: draft, test, and send campaigns; manage audiences and subscribers; pull reports."
  }
}