Search for all ZIP codes in a given city and state. Returns the full list of matching ZIP codes with details.
AI agents call search_zip_codes_by_city 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 |
|---|---|---|---|
city | string | Yes | City name (e.g., "Atlanta") |
state | string | Yes | 2-letter state abbreviation (e.g., "GA") |
Parameters from the server's own tool schema.
This tool retrieves geographic data (ZIP codes) without creating, modifying, deleting, or executing any operations. The description explicitly indicates it returns data in response to a query. It is a straightforward read operation with minimal security risk.
From the tool's definition Tool performs a 'Search' for ZIP codes in a given city/state and 'Returns the full list' — purely a read/query operation with no modification or side effects.
Attacks that exploit this kind of access
Search for all ZIP codes in a given city and state. Returns the full list of matching ZIP codes with details. It is categorised as a Read tool in the loc8n Geographic Data MCP Server, which means it retrieves data without modifying state.
search_zip_codes_by_city accepts 2 parameters: city, state. Required: city, state. 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 search_zip_codes_by_city: 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.
search_zip_codes_by_city 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 search_zip_codes_by_city 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 search_zip_codes_by_city. 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.
search_zip_codes_by_city 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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