Compatible with every major AI agent and IDE
What is the IP & CIDR Validator MCP Server?
Cybersecurity and Network Operations (NOC) Agents constantly analyze firewall access logs. When a client authorizes a specific subnet (like 192.168.1.0/25), the LLM is physically incapable of performing the binary arithmetic required to know if the IP 192.168.1.155 is allowed. It will guess and fail, leading to security breaches. This MCP solves that entirely.
The Superpowers
- Binary Arithmetic: Accurately parses IPv4 and IPv6 addresses and mathematically compares them against CIDR blocks.
- Firewall Shield: Ensures AI agents make deterministic allow/block decisions based on strict networking rules.
Built-in capabilities (1)
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
Why Claude Code?
Claude Code registers IP & CIDR Validator as an MCP server in a single terminal command. Once connected, Claude Code discovers all 1 tools at runtime and can call them headlessly. ideal for CI/CD pipelines, cron jobs, and automated workflows where IP & CIDR Validator data drives decisions without human intervention.
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Single-command setup:
claude mcp addregisters the server instantly. no config files to edit or applications to restart - —
Terminal-native workflow means MCP tools integrate seamlessly into shell scripts, CI/CD pipelines, and automated DevOps tasks
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Claude Code runs headlessly, enabling unattended batch processing using IP & CIDR Validator tools in cron jobs or deployment scripts
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Built by the same team that created the MCP protocol, ensuring first-class compatibility and the fastest adoption of new protocol features
IP & CIDR Validator in Claude Code
IP & CIDR Validator and 4,000+ other MCP servers. One platform. One governance layer.
Teams that connect IP & CIDR Validator to Claude Code through Vinkius don't need to source, host, or maintain individual MCP servers. Every tool call runs inside a hardened runtime with credential isolation, DLP, and a signed audit chain.
Raw MCP | Vinkius | |
|---|---|---|
| Server catalog | Find and host yourself | 4,000+ managed |
| Infrastructure | Self-hosted | Sandboxed V8 isolates |
| Credential handling | Plaintext in config | Vault + runtime injection |
| Data loss prevention | None | Configurable DLP policies |
| Kill switch | None | Global instant shutdown |
| Financial circuit breakers | None | Per-server limits + alerts |
| Audit trail | None | Ed25519 signed logs |
| SIEM log streaming | None | Splunk, Datadog, Webhook |
| Honeytokens | None | Canary alerts on leak |
| Custom domains | Not applicable | DNS challenge verified |
| GDPR compliance | Manual effort | Automated purge + export |
Why teams choose Vinkius for IP & CIDR Validator in Claude Code
The IP & CIDR Validator MCP Server runs on Vinkius-managed infrastructure inside AWS — a purpose-built runtime with per-request V8 isolates, Ed25519 signed audit chains, and sub-40ms cold starts. All 1 tools execute in hardened sandboxes optimized for native MCP execution.
Your AI agents in Claude Code only access the data you authorize, with DLP that blocks sensitive information from ever reaching the model, kill switch for instant shutdown, and up to 60% token savings. Enterprise-grade infrastructure, zero maintenance.

* Every MCP server runs on Vinkius-managed infrastructure inside AWS - a purpose-built runtime with per-request V8 isolates, Ed25519 signed audit chains, and sub-40ms cold starts optimized for native MCP execution. See our infrastructure
How Vinkius secures
IP & CIDR Validator for Claude Code
Every tool call from Claude Code to the IP & CIDR Validator MCP Server is protected by DLP redaction, cryptographic audit chains, V8 sandbox isolation, kill switch, and financial circuit breakers.
Frequently asked questions
Does it support IPv6?
Yes, it fully supports parsing and subnet matching for both IPv4 and IPv6 standard formats.
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.
Does it connect to the network to ping the IP?
No. All checks are mathematical format and binary range checks performed entirely local.
How do I add an MCP server to Claude Code?
Run claude mcp add <name> --transport http "<url>" in your terminal. Claude Code registers the server and discovers all tools immediately.
Can Claude Code run MCP tools in headless mode?
Yes. Claude Code supports non-interactive execution, making it ideal for scripts, cron jobs, and CI/CD pipelines that need MCP tool access.
How do I list all connected MCP servers?
Run claude mcp in your terminal to see all registered servers and their status, or type /mcp inside an active Claude Code session.
Command not found: claude
Ensure Claude Code is installed globally: npm install -g @anthropic-ai/claude-code
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