Klaviyo MCP Server

@relay-commerce

Repository

Basic information

About Klaviyo MCP Server

No overview available yet

#klaviyo #mcp-server #api-integration

Klaviyo MCP Server config

Add this server to your MCP-compatible client using the configuration below.

{
  "mcpServers": {
    "klaviyo-mcp-server-relay-commerce": {
      "command": "python3",
      "args": [
        "-m",
        "venv",
        "klaviyo_mcp_env"
      ]
    }
  }
}

Klaviyo MCP Server tools

Tool list not available yet

This listing does not currently have a tool list to display. This does not mean the server has no tools; check its documentation for supported capabilities.

We auto-extract tools from the README. The maintainer can list them under a ## Tools heading to populate this section.

Overview

What is Klaviyo MCP Server?

An MCP server that provides complete access to Klaviyo's API functionality through 34+ tools covering profiles, campaigns, flows, lists, segments, events, metrics, templates, catalogs, coupons, reporting, and accounts. Designed for AI assistants like Claude to interact with Klaviyo programmatically.

How to use Klaviyo MCP Server?

Install via cloning the repository and running the setup script or manually creating a Python virtual environment. Configure by adding the server to Claude Desktop's configuration file (claude_desktop_config.json) or use the MCP CLI to list and call tools. Each tool requires a Klaviyo Private API key passed as a parameter.

Key features of Klaviyo MCP Server

34 tools covering all major Klaviyo API endpoints
Secure authentication using Klaviyo private API keys
Comprehensive error handling and rate limiting protection
Input validation for all parameters and JSON data
JSON:API format support with filtering, pagination, and sorting
Consistent interface across all tools with complete documentation

Use cases of Klaviyo MCP Server

AI-powered customer service automation using Klaviyo profile data
Automated marketing campaign creation and sending via assistants
Querying customer segments and events for data analysis workflows
Managing product catalogs, coupons, and email templates programmatically
Integrating Klaviyo analytics into business intelligence pipelines

Frequently asked questions

What dependencies does this server require?

Python 3.10 or higher, a Klaviyo account with API access, and a Klaviyo Private API Key. Dependencies are listed in `klaviyo_requirements.txt`.

How is authentication handled?

Each tool requires an `api_key` parameter passed at call time. API keys must have appropriate scopes (e.g., `profiles:read`, `campaigns:write`). Keys are never hardcoded; all requests use HTTPS.

What are the rate limits for Klaviyo?

Klaviyo allows 75 requests per second (burst) and 700 requests per minute (steady). The server includes timeout handling and error messages for rate limit scenarios.

How do I test that the server is working?

Run `python test_klaviyo_server.py` after activating the virtual environment. Successful output confirms all 34 tools are available.

Which APIs are covered?

Profiles, Lists, Campaigns, Segments, Events, Flows, Metrics, Templates, Catalogs, Coupons, Reporting, and Accounts APIs. Each has multiple tools detailed in the README.

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