What is the key difference between Activecampaign and Klaviyo?

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

How do I install Activecampaign or Klaviyo 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 Activecampaign and Klaviyo free or paid?

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

Which MCP server has more tools and community activity?

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

Can I use both Activecampaign and Klaviyo 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

Activecampaign vs Klaviyo

In-depth architectural comparison of the Activecampaign and Klaviyo 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

Activecampaign

Communication · Remote HTTP/SSE

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

Klaviyo

Communication · Remote HTTP/SSE

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

Verdict Summary: Choose Activecampaign if you need specialized Communication tools running via a hosted cloud SSE transport. Choose Klaviyo 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 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

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

Feature & Specification Comparison

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

Tools & Capabilities Breakdown

Activecampaign Tools (6)

list_contacts

List/search contacts (subscribers) in an ActiveCampaign account. Filter by exact email or a free-text search across name/email. Returns contacts with IDs, emails, names, and meta.total.

get_contact

Get a single contact by ID. Returns email, name, phone, custom field values, and engagement details.

list_deals

List CRM deals (sales pipeline opportunities). Returns deal IDs, titles, values, stages, and owners with meta.total.

list_campaigns

List email campaigns with send/open/click metrics. Returns campaign IDs, names, status, send dates, and aggregate stats.

list_lists

List contact lists. Returns list IDs, names, subscriber counts, and creation dates.

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).

Activecampaign Configuration

mcpServers (Claude Desktop / Cursor)

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

Klaviyo Configuration

mcpServers (Claude Desktop / Cursor)

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

Frequently Asked Questions

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

More alternatives to Activecampaign More alternatives to Klaviyo Communication category hub