Klaviyo MCP Server

A comprehensive MCP server for interacting with the Klaviyo API, providing tools and resources for managing profiles, lists, segments, campaigns, flows, and more.

→ mattcoatsworth/Klaviyo-MCP-Server · listed on glama

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// key findings

⚠️

Known vulnerabilities in dependencies: 16 high

Affects packages this MCP installs at runtime. Upgrade or remove the affected dependency.

✅

No credential exfiltration, no sensitive file access, no obfuscation

Static analysis found nothing flowing your secrets to unexpected places.

🔐

You'll be asked for 1 credential: KLAVIYO_API_KEY

These are read from process.env at runtime. Make sure you trust where they’ll be sent.

// required environment variables

This server reads these from process.env. You'll be asked to provide them before it can run.

🔐 secretKLAVIYO_API_KEY— your_private_api_key_here

// full audit trail

The full breakdown of what we checked, the deductions that landed, the network hosts, the dependency advisories, and concrete fix guidance is available to verified publishers.

// improvement guidance — verified publishers only

We have 5 concrete improvements we can share with the publisher of this MCP. Each comes with specific guidance to raise the trust score.

// embed badge in your README

[![M8ven Score](https://m8ven.ai/badge/mcp/mattcoatsworth-klaviyo-mcp-server-1fxgul)](https://m8ven.ai/mcp/mattcoatsworth-klaviyo-mcp-server-1fxgul)

commit: 3279f23f04f1a5b7b6c63f2e5163e59660a8a89c

code hash: 717ce7d6bc81b716bf08b0401d57e5dc12165b6641f14f28538799d416ddad36

verified: 6/9/2026, 10:43:05 AM

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