Use ipaddr.js with your AI.
Connect your account once and let the AI you already use work with it, without building another integration. Equip cybersecurity agents with binary IP math. Instantly validate IPv4/IPv6 addresses and check CIDR subnet allocations local.
Developed, maintained, and hosted by Vinkius.
MCP VERIFIED · PRODUCTION READY · VINKIUS GUARANTEED
Waiting for input…
Works with modern AI clients that support MCP, including ChatGPT, Claude, Cursor, and more.
Complete set · 1 capability
The complete ipaddr.js capability set.
These are the exact actions your AI can choose when you ask it to work with ipaddr.js.
01
1 capability in this set.
Part of 1 available through ipaddr.js.
- 01
Validate ip
Pass the IP or CIDR string and receive validation results including network address, broadcast, and host range. Validates IPv4/IPv6 addresses and calculates binary CIDR subnet matches offline. Essential for cybersecurity and firewall agents
Observed, not estimated
830ms average. Fast in production.
ipaddr.js is checked daily against the live service.
- Fastest day
- 677ms
- Slowest day
- 1059ms
- 14-day trend
- Improving-10%
Connect your client
One URL. Every client.
Activate the Connector, copy your link, and paste it into the client you already use. 1 capability arrives ready to run.
Preview access · not provider authentication
The vk_preview_* token belongs to Vinkius preview infrastructure. It lets Claude discover and display the capabilities of ipaddr.js, so you can see the experience inside your AI.
It does not authenticate your account with ipaddr.js. Actions requiring credentials or live account data may not run until you activate the Connector and authorize the service.
ipaddr.js Connector
You're all set. Choose your MCP client and follow the setup instructions.
https://edge.vinkius.com/vk_preview_zdbyTTH2RDB5CnFJWeDDjQO0bXcWFXg6ibvBXePu/mcpClaude Desktop
Follow the steps below to connect in seconds.
- 1In Claude Desktop, open Settings → Connectors.
- 2Click “Add custom connector” and paste the connector link above as the remote MCP server URL.
- 3Click Add and start a new chat — ipaddr.js capabilities are ready to use.
{
"mcpServers": {
"ip-cidr-validator-mcp": {
"url": "https://edge.vinkius.com/vk_preview_zdbyTTH2RDB5CnFJWeDDjQO0bXcWFXg6ibvBXePu/mcp"
}
}
}
Claude
ChatGPT
Cursor
VS Code
Windsurf
Claude Code
JetBrains
Cline
Step-by-step instructions for each client are in the guide. How to connect
FAQ
Questions ipaddr.js owners ask.
- 01
Does it support IPv6?
Yes, it fully supports parsing and subnet matching for both IPv4 and IPv6 standard formats.
- 02
What happens if I pass an invalid IP?
The engine will safely catch the error and return a validation failure, preventing the agent from proceeding with bad data.
- 03
Does it connect to the network to ping the IP?
No. All checks are mathematical format and binary range checks performed entirely local.
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