ActiveCampaign MCP Server

What is ActiveCampaign MCP Server?

A production-grade MCP server that provides 33 tools to interact with the ActiveCampaign API. It covers contacts, deals, automations, tags, pipelines, campaigns, custom fields, accounts, and webhooks — the first MCP server designed for ActiveCampaign's 185,000+ customers.

How to use ActiveCampaign MCP Server?

Install the package via pip install mcp-activecampaign, then set the environment variables ACTIVECAMPAIGN_URL and ACTIVECAMPAIGN_API_KEY. The server can be launched directly or configured as an MCP tool in Claude Desktop by adding an entry to the claude_desktop_config.json file.

Key features of ActiveCampaign MCP Server

• Full CRUD for contacts: list, get, create, update, delete.
• Deal management with pipeline and stage support.
• Tag creation and contact‑tag association management.
• View mailing lists and subscriber counts.
• Manage webhook subscriptions: create, list, delete.
• Built‑in rate limiting (5 req/s) and auto‑retry on 429s.

Use cases of ActiveCampaign MCP Server

• Automate contact management tasks through an AI‑powered MCP client.
• Create and update deals with pipeline and stage filters in a conversational workflow.
• Enroll contacts in automations without manual intervention.
• Retrieve and set custom field values for contacts programmatically.
• View campaign performance metrics and webhook subscriptions.

FAQ from ActiveCampaign MCP Server

What authentication does the server require?

It uses an API key sent via the Api-Token header. No OAuth flow is needed.

What is the rate limit and how is it handled?

ActiveCampaign enforces 5 requests per second per account. The server includes a built‑in throttle and automatically retries on 429 responses.

Can I create or edit automations through this server?

No — the ActiveCampaign API only allows listing automations and adding contacts to them. You cannot create or edit automation workflows.

Are campaigns read‑only?

Yes. The server provides read‑only tools for campaigns: you can view details and performance metrics but not create or modify campaigns.

How does pagination work for list tools?

All list tools support offset‑based pagination with limit and offset parameters.