LocalFree server, account needed

Outbound Infrastructure Fingerprint MCP server

mambalabsdev/mcp-outbound-infrastructure-fingerprint

Returns whether a company runs cold email outbound, on what stack, and the lookalike sending domains behind it.

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Install Outbound Infrastructure Fingerprint in Claude Code

Claude Code
claude mcp add outbound-infrastructure-fingerprint -e APIFY_TOKEN=... -- npx -y @mambalabsdev/mcp-outbound-infrastructure-fingerprint
mcp.json (Claude Desktop, Cursor, VS Code, Windsurf)
{
  "mcpServers": {
    "outbound-infrastructure-fingerprint": {
      "command": "npx",
      "args": [
        "-y",
        "@mambalabsdev/mcp-outbound-infrastructure-fingerprint"
      ],
      "env": {
        "APIFY_TOKEN": "..."
      }
    }
  }
}

Replace each ... with your own value.

Frequently asked questions

What does the Outbound Infrastructure Fingerprint MCP server do?

Returns whether a company runs cold email outbound, on what stack, and the lookalike sending domains behind it.

Is the Outbound Infrastructure Fingerprint MCP server free?

The server is free, but you will likely need an account. The server itself is free, but it connects to a service that needs an account or API key, which may have paid tiers. Check the provider for current pricing.

Does Outbound Infrastructure Fingerprint run locally or remotely?

Local. Runs on your machine (stdio). You install it with npx, uvx, Docker or from source.

How do I add Outbound Infrastructure Fingerprint to Claude Code?

Run: claude mcp add outbound-infrastructure-fingerprint -e APIFY_TOKEN=... -- npx -y @mambalabsdev/mcp-outbound-infrastructure-fingerprint

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