Get all the cities filtered by Country/Region, State Province and County
AI agents call cities_get_cities to retrieve information from MCP Dynamics 365 Commerce Server without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool retrieves geographic reference data (cities) based on filter criteria. It is a read-only query operation with no side effects, no ability to modify data, and no destructive or financial implications. The low severity reflects the benign nature of accessing location reference data in a commerce system.
From the tool's definition Tool name 'cities_get_cities' and description 'Get all the cities filtered by Country/Region, State Province and County' indicate a retrieval operation with filtering parameters. No modification, deletion, execution, or financial impact is possible.
Attacks that exploit this kind of access
Get all the cities filtered by Country/Region, State Province and County. It is categorised as a Read tool in the MCP Dynamics 365 Commerce Server MCP Server, which means it retrieves data without modifying state.
Register the MCP Dynamics 365 Commerce Server MCP server in PolicyLayer and add a rule for cities_get_cities: 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 Dynamics 365 Commerce Server. Nothing to install.
cities_get_cities 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 cities_get_cities 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 cities_get_cities. 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.
cities_get_cities is provided by the MCP Dynamics 365 Commerce Server MCP server (jiantmo/mcp-commerce). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
Every MCP server has a record like this.
Type a name, get the same breakdown: verified identity, auth posture, risk grade, capabilities, recommended policy.
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