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FernTool Network Tools

Official registry Search and web

24 free tools: IP/VPN lookup, WHOIS, DNS, SPF/DMARC, site up/down, redirects, time zones. No key.

Website

Install

Add this to your client's MCP configuration (Claude Desktop: claude_desktop_config.json; Cursor: .cursor/mcp.json; VS Code and others use the same "mcpServers" shape).

Remote (streamable-http)
Claude Code 
claude mcp add --transport http ferntool-network-tools 'https://www.ferntool.com/mcp'
JSON configuration (Claude Desktop, Cursor, VS Code) 
{
    "mcpServers": {
        "ferntool-network-tools": {
            "type": "http",
            "url": "https://www.ferntool.com/mcp"
        }
    }
}

Frequently asked questions

What is FernTool Network Tools?

24 free tools: IP/VPN lookup, WHOIS, DNS, SPF/DMARC, site up/down, redirects, time zones. No key.

How do I install FernTool Network Tools?

It runs as a remote server. In Claude Code: claude mcp add --transport http ferntool-network-tools 'https://www.ferntool.com/mcp'. For other clients, paste the JSON configuration from this page into their MCP settings.

Does FernTool Network Tools need an API key?

Its registry entry lists no required key or secret. Some features may still need an account with the service it connects to.

Who maintains FernTool Network Tools?

It is published by com.ferntool. AI.tn lists it but does not maintain or endorse it.

From the official MCP Registry. Listing is not an endorsement: review a server's code and permissions before giving it access to your data.