iso.subdivision

SERVERMcp SOURCE@2sio/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-2s-io-mcp/iso.subdivision.md

WHAT IT DOES

What iso.subdivision does on Mcp

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

RISK

Why iso.subdivision is rated Low

This tool retrieves static, authoritative geographic reference data (ISO standard subdivision codes and names). It has no side effects, cannot modify data, and presents no financial or destructive capabilities. The risk is minimal since misuse would only return geographic information. The low severity reflects that even an agent querying this tool repeatedly would cause no harm.

From the tool's definition Tool performs 'lookup' and 'list' operations on read-only ISO 3166-2 subdivision data. No modifications, deletions, or external state changes.

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs iso.subdivision safely

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

iso.subdivision Allowed

iso.subdivision 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": {
    "iso.subdivision": {}
  }
}

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

The button opens the PolicyLayer dashboard: create your workspace, connect Mcp, apply this rule, and every iso.subdivision call is checked against it from then on.

FAQ

Questions about iso.subdivision

What does the iso.subdivision tool do? +

ISO 3166-2 subdivision lookup (states/provinces/regions). Pass code (US-CA) to resolve one → name + country, or country (2-letter, US) to list all its subdivisions with codes. Bundled authoritative ISO 3166-2 data (~3.8k subdivisions, 237 countries). It is categorised as a Read tool in the Mcp MCP Server, which means it retrieves data without modifying state.

How do I enforce a policy on iso.subdivision? +

Register the MCP server in PolicyLayer and add a rule for iso.subdivision: 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 Mcp. Nothing to install.

What risk level is iso.subdivision? +

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

Can I rate-limit iso.subdivision? +

Yes. Add a rate_limit block to the iso.subdivision 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 iso.subdivision completely? +

Set action: deny in the PolicyLayer policy for iso.subdivision. 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 iso.subdivision? +

iso.subdivision is provided by the MCP server (@2sio/mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

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