Convert geographic coordinates to a detailed address and location description. This tool takes a specific point on Earth (latitude and longitude) and returns comprehensive information about that location, including its address, nearby landmarks, administrative boundaries, and other contextual inf...
AI agents call reverse_geocode to retrieve information from OpenStreetMap MCP Server without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This is a straightforward geospatial lookup/query operation. It retrieves and returns publicly available location data without side effects. No data is created, modified, deleted, or financial transactions initiated.
From the tool's definition Tool converts geographic coordinates to address and location description. The function signature takes only latitude and longitude inputs and returns informational data (address, landmarks, administrative boundaries).
Risk signalsAdmin/system-level operation
Documented attack patterns abuse exactly the kind of access reverse_geocode gives an agent:
PolicyLayer is an MCP gateway — it sits between your AI agents and OpenStreetMap MCP Server, and nothing reaches the server without passing your rules. This is the rule we recommend for reverse_geocode:
{
"version": "1",
"default": "deny",
"tools": {
"reverse_geocode": {}
}
}reverse_geocode is read-only, so it stays allowed — but everything else on the server is denied unless you say otherwise.
Free to start. No card required.
Convert geographic coordinates to a detailed address and location description. This tool takes a specific point on Earth (latitude and longitude) and returns comprehensive information about that location, including its address, nearby landmarks, administrative boundaries, and other contextual information. Useful for translating GPS coordinates into human-readable locations. Args: latitude: The latitude coordinate (decimal degrees, WGS84) longitude: The longitude coordinate (decimal degrees, WGS84) Returns: Detailed address and location information including: - Formatted address - Building, street, city, state, country - Administrative hierarchy - OSM metadata - Postal code and other relevant identifiers. It is categorised as a Read tool in the OpenStreetMap MCP Server MCP Server, which means it retrieves data without modifying state.
Register the OpenStreetMap MCP Server MCP server in PolicyLayer and add a rule for 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 OpenStreetMap MCP Server. Nothing to install.
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 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 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.
reverse_geocode is provided by the OpenStreetMap MCP Server MCP server (jagan-shanmugam/open-streetmap-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
Start from OpenStreetMap MCP Server, add the rest of your stack, and see everything your agents can call. Then put policy on all of it.
Free to start. No card required.
12 OpenStreetMap MCP Server tools catalogued and risk-classified — across an index of 43,000+ MCP servers.