nominatim-reverse

Reverse-geocode a latitude/longitude pair into an OpenStreetMap address.

SERVERMeta Data Mcp SOURCEpypi:meta-data-mcp

Low RISK CLASS

Category Read

Parameters 00 required

Recommended Allowedsee the rule below

Registry record Grade F, identity unverified Pull the record →

This record as markdown: /tools/io-github-derekslinz-meta-data-mcp/nominatim-reverse.md

WHAT IT DOES

What nominatim-reverse does on Meta Data Mcp

AI agents call nominatim-reverse to retrieve information from Meta Data Mcp without modifying anything. It is typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.

RISK

Why nominatim-reverse is rated Low

This tool retrieves geographical data (addresses) from OpenStreetMap based on input coordinates. It has no side effects—it only reads and returns information. It does not create, modify, delete data, execute commands, or involve financial operations. The blast radius of misuse is minimal (e.g., locating places from coordinates), making it a low-severity Read operation.

From the tool's definition Tool performs reverse-geocoding: converts latitude/longitude coordinates into address information. The description indicates a lookup/query operation ('reverse-geocode into an OpenStreetMap address') with no data modification, deletion, or execution of…

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs nominatim-reverse safely

PolicyLayer is an MCP gateway: it sits between your AI agents and Meta Data Mcp, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For nominatim-reverse, this is the rule to start with:

nominatim-reverse Allowed

nominatim-reverse is read-only, so it stays allowed. Everything else on the server is denied unless you say otherwise.

View as policy code

policy.json

{
  "version": "1",
  "default": "deny",
  "tools": {
    "nominatim-reverse": {}
  }
}

ALLOW ONLY THIS TOOL → Instant setup, no code required.

The button opens the PolicyLayer dashboard: create your workspace, connect Meta Data Mcp, apply this rule, and every nominatim-reverse call is checked against it from then on.

FAQ

Questions about nominatim-reverse

What does the nominatim-reverse tool do? +

Reverse-geocode a latitude/longitude pair into an OpenStreetMap address. It is categorised as a Read tool in the Meta Data Mcp MCP Server, which means it retrieves data without modifying state.

How do I enforce a policy on nominatim-reverse? +

Register the Meta Data MCP server in PolicyLayer and add a rule for nominatim-reverse: 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 Meta Data Mcp. Nothing to install.

What risk level is nominatim-reverse? +

nominatim-reverse is a Read tool with low risk. Read-only tools are generally safe to allow by default.

Can I rate-limit nominatim-reverse? +

Yes. Add a rate_limit block to the nominatim-reverse 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.

How do I block nominatim-reverse completely? +

Set action: deny in the PolicyLayer policy for nominatim-reverse. 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.

What MCP server provides nominatim-reverse? +

nominatim-reverse is provided by the Meta Data MCP server (pypi:meta-data-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

KEEP EXPLORING

More on Meta Data, and thousands of servers like it.

This server

All 396 Meta Data tools →

Across the catalogue

The MCP Attack Database →

Guides

Roll out MCP under one policy →Data exfiltration →MCP token cost →