validate_vat

Validate a VAT number format for EU countries.

SERVERGadgetHumans API Hub SOURCEpypi:gadgethumans-api-hub-mcp

Low RISK CLASS

Category Read

Parameters 00 required

Recommended Allowedsee the rule below

Registry record Grade F, identity unverified Pull the record →

This record as markdown: /tools/io-github-scotia1973-bot-api-hub/validate-vat.md

WHAT IT DOES

What validate_vat does on GadgetHumans API Hub

AI agents call validate_vat to retrieve information from GadgetHumans API Hub without modifying anything. It is typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.

RISK

Why validate_vat is rated Low

This tool performs read-only validation of VAT number formats. It queries or checks data against a pattern or rule set but does not create, modify, delete, or execute external operations. The operation is purely informational and has no side effects on any system or data store.

From the tool's definition Tool name 'validate_vat' and description 'Validate a VAT number format for EU countries' indicate format validation/checking functionality with no data modification, deletion, or external side effects.

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs validate_vat safely

PolicyLayer is an MCP gateway: it sits between your AI agents and GadgetHumans API Hub, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For validate_vat, this is the rule to start with:

validate_vat Allowed

validate_vat is read-only, so it stays allowed. Everything else on the server is denied unless you say otherwise.

View as policy code

policy.json

{
  "version": "1",
  "default": "deny",
  "tools": {
    "validate_vat": {}
  }
}

ALLOW ONLY THIS TOOL → Instant setup, no code required.

The button opens the PolicyLayer dashboard: create your workspace, connect GadgetHumans API Hub, apply this rule, and every validate_vat call is checked against it from then on.

FAQ

Questions about validate_vat

What does the validate_vat tool do? +

Validate a VAT number format for EU countries. It is categorised as a Read tool in the GadgetHumans API Hub MCP Server, which means it retrieves data without modifying state.

How do I enforce a policy on validate_vat? +

Register the GadgetHumans API Hub MCP server in PolicyLayer and add a rule for validate_vat: allow, deny, rate-limit, or require approval. Point your MCP client at the PolicyLayer proxy URL and the rule is enforced on every call, before it reaches GadgetHumans API Hub. Nothing to install.

What risk level is validate_vat? +

validate_vat is a Read tool with low risk. Read-only tools are generally safe to allow by default.

Can I rate-limit validate_vat? +

Yes. Add a rate_limit block to the validate_vat rule in your PolicyLayer policy. For example, setting max: 10 and window: 60 limits the tool to 10 calls per minute. Rate limits are tracked per agent session and reset automatically.

How do I block validate_vat completely? +

Set action: deny in the PolicyLayer policy for validate_vat. The AI agent will receive a policy violation error and cannot call the tool. You can also include a reason field to explain why the tool is blocked.

What MCP server provides validate_vat? +

validate_vat is provided by the GadgetHumans API Hub MCP server (pypi:gadgethumans-api-hub-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

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