Install FernTool in Claude Code
claude mcp add --transport http ferntool https://www.ferntool.com/mcp{
"mcpServers": {
"ferntool": {
"url": "https://www.ferntool.com/mcp"
}
}
}Frequently asked questions
What does the FernTool MCP server do?
IP lookup and validation with ASN, geo and VPN/Tor flags, plus WHOIS, DNS, reverse DNS and subnet tools.
Is the FernTool MCP server free?
Yes, most likely. Open source and no paid account or API key is mentioned in the listing. Check the provider for current pricing.
Does FernTool run locally or remotely?
Remote. Hosted by the provider. You connect with a URL, nothing to install.
How do I add FernTool to Claude Code?
Run: claude mcp add --transport http ferntool https://www.ferntool.com/mcp
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