Klaviyo MCP runs on your own machine — the client starts it, so there is no endpoint to ping.
Query Klaviyo: profiles, lists, campaigns.
The linked repository no longer exists on GitHub — it was deleted or made private.
Quiet is not dead — but it is worth knowing when it wakes up, or when someone else takes it over. We watch the repository and tell you either way.
This server runs on your own machine — install it with the package manager and the client starts it for you. Package name taken from the official registry entry.
claude mcp add klaviyo-mcp -- npx -y @mrfentmen/klaviyo-mcp
{
"mcpServers": {
"klaviyo-mcp": {
"command": "npx",
"args": [
"-y",
"@mrfentmen/klaviyo-mcp"
]
}
}
}
[mcp_servers.klaviyo-mcp]
command = "npx"
args = ["-y", "@mrfentmen/klaviyo-mcp"]
{
"mcpServers": {
"klaviyo-mcp": {
"command": "npx",
"args": [
"-y",
"@mrfentmen/klaviyo-mcp"
]
}
}
}
{
"servers": {
"klaviyo-mcp": {
"type": "stdio",
"command": "npx",
"args": [
"-y",
"@mrfentmen/klaviyo-mcp"
]
}
}
}
Query Mailchimp: ping, lists, members, campaigns.
Klaviyo MCP: campaigns, flows, segments, metrics, reports, profiles across many accounts. 24 tools.
Query Crisp: visitor list, people profile, conversation.
Query PostHog: profile, projects, insights.
Read Mailcoach lists, campaigns and templates; optionally draft campaigns and templates.
Create and manage email campaigns, lists, and marketing automation
Query Mixpanel events, funnels, retention, cohorts, and user profiles.
Answers built from our own checks of this server.