Look up full details for a single 5-digit US ZIP code, including city, state, county, timezone, coordinates, area codes, land/water area, and elevation.
AI agents call lookup_zip_code to retrieve information from loc8n Geographic Data without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
| Parameter | Type | Required | Description |
|---|---|---|---|
zipCode | string | Yes | The 5-digit ZIP code to look up (e.g., "30301") |
Parameters from the server's own tool schema.
This tool performs a simple data lookup operation on geographic reference information tied to a ZIP code. It has no side effects, does not execute code or commands, does not modify data, and does not involve financial transactions. The data returned is public demographic and geographic information.
From the tool's definition 'Look up full details for a single 5-digit US ZIP code, including city, state, county, timezone, coordinates, area codes, land/water area, and elevation' — the tool retrieves and returns geographic and demographic reference data without modifying, executing,…
Attacks that exploit this kind of access
Look up full details for a single 5-digit US ZIP code, including city, state, county, timezone, coordinates, area codes, land/water area, and elevation. It is categorised as a Read tool in the loc8n Geographic Data MCP Server, which means it retrieves data without modifying state.
lookup_zip_code accepts 1 parameter: zipCode. Required: zipCode. The full parameter table on this page comes from the server's own tool schema.
Register the loc8n Geographic Data MCP server in PolicyLayer and add a rule for lookup_zip_code: 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 loc8n Geographic Data. Nothing to install.
lookup_zip_code is a Read tool with low risk. Read-only tools are generally safe to allow by default.
Yes. Add a rate_limit block to the lookup_zip_code 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.
Set action: deny in the PolicyLayer policy for lookup_zip_code. 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.
lookup_zip_code is provided by the loc8n Geographic Data MCP server (gener8v/gener8v.mcp.geographic-data). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
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