How to Use the IP & CIDR Validator MCP in Claude

Q: How does the IP & CIDR Validator run locally inside Claude Desktop?

You configure the server in your local claudedesktopconfig.json file. Claude Desktop launches the tool as a background process, passing IP and CIDR strings directly over stdio for instant, offline verification.

Run local binary subnet checks directly inside Claude Desktop without leaking private IP ranges to the public web.

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Connect IP & CIDR Validator MCP to Claude Desktop

Create your Vinkius account to connect IP & CIDR Validator to Claude Desktop and route execution through our secure gateway. The platform manages server hosting, runtime updates, and security layers. Configuration requires no manual server provisioning.

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Setup IP & CIDR Validator with Claude Desktop

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Local IP validation via Claude Desktop

The `validate_ip` tool runs offline subnet math directly inside your Claude Desktop interface to parse IPv4 and IPv6 strings. You get instant verification of network ranges, broadcast addresses, and host boundaries without writing a single line of Python. Because Claude Desktop executes this MCP Server locally via stdio, your internal topology never leaves your machine. Your agent analyzes raw logs, extracts suspicious IPs, and checks their structural validity in milliseconds.

Offline CIDR math for immediate triage

The `validate_ip` tool handles the binary bit-shifting required to map out complex subnet masks. Your agent parses incoming network configurations, determines host capacities, and flags misaligned blocks instantly. This means you stop guessing if an address falls inside a specific private network range. Claude Desktop reads your local configuration files, passes the targets to the tool, and prints the exact host range.

Isolate threat vectors in chat

The `validate_ip` tool decodes malformed IP strings that attackers use to bypass legacy firewalls. Feed Claude Desktop your raw firewall logs and watch it strip out obfuscated addresses. Security teams use this local MCP Server setup to parse thousands of lines of terminal output. You get clean, structured network boundaries without relying on slow, external APIs.

Setup guide

Set up IP & CIDR Validator MCP in Claude Web or Desktop

1

Open Claude Settings

Go to claude.ai, click your profile icon, then navigate to Customize → Connectors.
2

Add Custom Connector

Click the "+" button and select Add custom connector. Paste your Vinkius endpoint URL: https://edge.vinkius.com/[YOUR_TOKEN_HERE]/mcp Replace [YOUR_TOKEN_HERE] with your token from cloud.vinkius.com. For OAuth-protected servers, expand Advanced settings to add credentials.
3

Start a conversation

Open a new chat. The IP & CIDR Validator MCP tools are available immediately — no restart needed.

Endpoint URL

https://edge.vinkius.com/[YOUR_TOKEN_HERE]/mcp

No configuration file needed — paste the URL directly in the Claude web interface.

Available on Free (1 connector), Pro, Max, Team, and Enterprise plans.

Prerequisites

Claude Desktop installed (macOS or Windows)
Active Vinkius subscription with a valid endpoint token

1

Open Claude Desktop Settings

Click the menu icon at the top-left corner, go to Settings → Developer → Edit Config. This opens claude_desktop_config.json in your default text editor.
2

Paste the IP & CIDR Validator MCP configuration

Copy the JSON snippet on the right into the mcpServers object. Replace [YOUR_TOKEN_HERE] with your endpoint token from cloud.vinkius.com.
3

Restart Claude Desktop

Close and reopen the application. Claude needs a full restart to load new MCPs — refreshing a conversation is not enough.
4

Verify the connection

Open a new conversation. Click the 🔌 icon at the bottom of the message input. You should see tools listed under ip-cidr-validator-mcp.

json

{
  "mcpServers": {
    "ip-cidr-validator-mcp": {
      "url": "https://edge.vinkius.com/[YOUR_TOKEN_HERE]/mcp"
    }
  }
}

Get your connection token →

Independent Platform Disclaimer: Vinkius is an independent platform and is not affiliated with, endorsed by, sponsored by, verified by, or otherwise authorized by ipaddr.js. All third-party trademarks, logos, and brand names are the property of their respective owners. Their use on this website is strictly for informational purposes to identify service compatibility and interoperability.

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Common questions about IP & CIDR Validator MCP in Claude Desktop

You configure the server in your local claude_desktop_config.json file. Claude Desktop launches the tool as a background process, passing IP and CIDR strings directly over stdio for instant, offline verification.

Yes, you can connect this tool to claude.ai by adding it as a custom connector in your browser settings. You paste your remote MCP server HTTPS URL to let your web-based agent run subnet calculations.

Yes, the tool fully parses IPv6 addresses and calculates subnets natively. Claude Desktop passes the 128-bit hex strings directly to the validator, returning clean network boundaries.

Look for the hammer icon in your Claude Desktop input field. Clicking it shows the registered validate_ip tool, confirming the agent can run local subnet math.

Every IP address, CIDR block, and subnet mask stays strictly within your local Claude Desktop environment. Vinkius runs the server in an ephemeral sandbox, meaning no network logs or address strings are stored or transmitted to external servers.

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