What is the key difference between Klaviyo and Activecampaign?

Klaviyo belongs to the Communication category with cloud HTTP/SSE execution, while Activecampaign belongs to the Communication category with cloud HTTP/SSE execution.

How do I install Klaviyo or Activecampaign in Claude Desktop or Cursor?

Copy the mcpServers JSON configuration snippet provided on this page into your claude_desktop_config.json or ~/.cursor/mcp.json file and restart your AI client.

Are Klaviyo and Activecampaign free or paid?

Klaviyo operates under a Free / Open Source model (No auth required). Activecampaign operates under a Free / Open Source model (No auth required).

Which MCP server has more tools and community activity?

Klaviyo lists 5 tools with 0 views and 0 GitHub stars. Activecampaign lists 6 tools with 0 views and 0 GitHub stars.

Can I use both Klaviyo and Activecampaign together in the same MCP host?

Yes! MCP hosts like Claude Desktop, Cursor, Windsurf, Cline, and VS Code support configuring multiple servers under the mcpServers object simultaneously.

Side-by-Side Model Context Protocol Comparison

Klaviyo vs Activecampaign

In-depth architectural comparison of the Klaviyo and Activecampaign MCP servers. Compare execution transports, security boundaries, tool capabilities, quality scores, and ready-to-paste client installation snippets for Claude, Cursor, Windsurf, and VS Code.

At a Glance & Executive Verdict

Klaviyo

Communication · Remote HTTP/SSE

Quality: 49/100 (Fair) | Auth: No auth required

Activecampaign

Communication · Remote HTTP/SSE

Quality: 49/100 (Fair) | Auth: No auth required

Verdict Summary: Choose Klaviyo if you need specialized Communication tools running via a hosted cloud SSE transport. Choose Activecampaign if your workspace requires Communication integration with remote web transport. Both servers can be configured concurrently in your client's mcpServers manifest.

Which MCP Server Should You Choose?

Choose Klaviyo when:

You need dedicated capabilities in the Communication domain.
You prefer remote streaming HTTP/SSE transport architecture.
Your security boundary fits: No auth required (Free / Open Source).
Primary tools included: klaviyo_list_profiles, klaviyo_get_profile, klaviyo_list_lists.

Explore Klaviyo Details

Choose Activecampaign when:

You need dedicated capabilities in the Communication domain.
You prefer remote streaming HTTP/SSE transport architecture.
Your security boundary fits: No auth required (Free / Open Source).
Primary tools included: list_contacts, get_contact, list_deals.

Explore Activecampaign Details

Feature & Specification Comparison

Specification	K Klaviyo Communication	A Activecampaign Communication
Summary	Klaviyo MCP Pack — wraps the Klaviyo API for email marketing	ActiveCampaign MCP Pack — email marketing + CRM (API v3).
Category & Scope	Communication	Communication
Quality signal

Tools & Capabilities Breakdown

Klaviyo Tools (5)

klaviyo_list_profiles

Search contacts by email, name, or custom attributes. Returns profile IDs, emails, names, and properties with pagination support.

klaviyo_get_profile

Get a contact's full profile by ID. Returns email, name, phone, custom properties, list memberships, and subscription status.

klaviyo_list_lists

Get all email lists in your account. Returns list IDs, names, subscriber counts, and creation dates.

klaviyo_list_campaigns

Search campaigns by status (draft, scheduled, sent). Returns campaign IDs, names, status, send dates, and performance metrics.

klaviyo_get_campaign

Get a campaign's full details by ID. Returns name, status, subject line, recipient list, performance stats, and send history.

Ready-to-Paste Client Configurations

Paste either (or both) of these JSON server blocks into your client config file (e.g. claude_desktop_config.json or ~/.cursor/mcp.json).

Klaviyo Configuration

mcpServers (Claude Desktop / Cursor)

{
  "mcpServers": {
    "klaviyo": {
      "url": "https://pipeworx.io"
    }
  }
}

Activecampaign Configuration

mcpServers (Claude Desktop / Cursor)

{
  "mcpServers": {
    "activecampaign": {
      "url": "https://pipeworx.io"
    }
  }
}

Frequently Asked Questions

Klaviyo is categorized under Communication and uses a remote streaming HTTP/SSE transport. In contrast, Activecampaign belongs to Communication using remote streaming HTTP/SSE transport. Select Klaviyo when you need capabilities focused on communication and Activecampaign when you require tools for communication.

More alternatives to Klaviyo More alternatives to Activecampaign Communication category hub Canonical compare URL