NestDaddy

ListCheckup

com.listcheckup/mcp ยท v1.0.0

Email verification for AI agents: check addresses and lists, priced before credits are spent.

Connect Remote server

Terminal
claude mcp add --transport http mcp https://listcheckup.com/mcp --header "Authorization: Bearer <YOUR_API_KEY>"
~/.cursor/mcp.json
{
  "mcpServers": {
    "mcp": {
      "url": "https://listcheckup.com/mcp",
      "headers": {
        "Authorization": "Bearer <YOUR_API_KEY>"
      }
    }
  }
}
.vscode/mcp.json
{
  "servers": {
    "mcp": {
      "type": "http",
      "url": "https://listcheckup.com/mcp",
      "headers": {
        "Authorization": "Bearer <YOUR_API_KEY>"
      }
    }
  }
}
Claude Desktop
Settings > Connectors > Add custom connector
URL: https://listcheckup.com/mcp

Replace the values in angle brackets with your own. Keys stay on your machine; we never see them.

Tools

This server asks for a key before it lists its tools. Connect it with your own key to see them.

Headers

NameDescription
Authorization
Required, secret
Bearer followed by your ListCheckup API key (lck_live_...)

Details

Endpointhttps://listcheckup.com/mcp (Streamable HTTP)
First published27 Oct 2026
Last updated27 Oct 2026
Registry namecom.listcheckup/mcp

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