Convert coordinates into an address
AI agents call maps_reverse_geocode to retrieve information from Server Puppeteer without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
Reverse geocoding is fundamentally a data lookup operation—it queries a mapping service to translate latitude/longitude coordinates into human-readable addresses. This is a read-only retrieval with no side effects, no code execution, no data modification, and no destructive capability. The low severity reflects minimal risk even if misused by an AI agent, as it only exposes public geographical information.
From the tool's definition Tool name 'maps_reverse_geocode' and description 'Convert coordinates into an address' indicate a query operation that retrieves geographical data without modifying any state or triggering external actions.
Attacks that exploit this kind of access
Convert coordinates into an address. It is categorised as a Read tool in the Server Puppeteer MCP Server, which means it retrieves data without modifying state.
Register the Server Puppeteer MCP server in PolicyLayer and add a rule for maps_reverse_geocode: 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 Server Puppeteer. Nothing to install.
maps_reverse_geocode 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 maps_reverse_geocode 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 maps_reverse_geocode. 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.
maps_reverse_geocode is provided by the Server Puppeteer MCP server (@hisma/server-puppeteer). 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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