@erikirby/web-network-tools

Web Network Tools — MCP Server

Free MCP server providing network diagnostic tools for any MCP client (Claude, Cursor, etc.).

Tools

Tool	Description
dns_lookup	Look up DNS records (A, AAAA, MX, NS, TXT, CNAME)
http_status	Check HTTP response status, headers, timing
ssl_info	Inspect SSL/TLS certificate details
whois_lookup	WHOIS domain registration lookup
port_check	Test if a TCP port is open

Install

Via MCPize (recommended)

{
  "mcpServers": {
    "web-network-tools": {
      "url": "https://mcpize.com/mcp/web-network-tools"
    }
  }
}

Manual (clone + run)

git clone https://github.com/erikirby/mcp-web-tools.git
cd mcp-web-tools
npm install
npm run build
node dist/index.js

Usage Examples

# Check DNS records
dns_lookup domain=github.com

# Inspect SSL certificate
ssl_info domain=github.com

# Check HTTP headers
http_status url=https://example.com

# WHOIS lookup
whois_lookup domain=example.com

# Port scan
port_check host=example.com port=80

License

MIT