geo.zip-resolve

Resolve a US ZIP to its census tract(s), county, CBSA, and congressional district, each with HUD-USPS address-count allocation ratios.

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/geo.zip-resolve.md

WHAT IT DOES

What geo.zip-resolve does on Mcp

AI agents call geo.zip-resolve 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 geo.zip-resolve is rated Low

This tool performs a read-only geographic data lookup, resolving a ZIP code to associated administrative and census geographies. However, it operates on a pay-per-call financial infrastructure (USDC on Base or Solana via x402), meaning each call incurs a micropayment.

From the tool's definition 'Resolve a US ZIP to its census tract(s), county, CBSA, and congressional district' — pure data lookup/resolution with no side effects

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs geo.zip-resolve 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 geo.zip-resolve, this is the rule to start with:

geo.zip-resolve Allowed

geo.zip-resolve 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": {
    "geo.zip-resolve": {}
  }
}

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 geo.zip-resolve call is checked against it from then on.

FAQ

Questions about geo.zip-resolve

What does the geo.zip-resolve tool do? +

Resolve a US ZIP to its census tract(s), county, CBSA, and congressional district, each with HUD-USPS address-count allocation ratios. 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 geo.zip-resolve? +

Register the MCP server in PolicyLayer and add a rule for geo.zip-resolve: 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 geo.zip-resolve? +

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

Can I rate-limit geo.zip-resolve? +

Yes. Add a rate_limit block to the geo.zip-resolve 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 geo.zip-resolve completely? +

Set action: deny in the PolicyLayer policy for geo.zip-resolve. 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 geo.zip-resolve? +

geo.zip-resolve 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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