AI agents call maps_search_places to retrieve information from MCP-Brave-Search without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool performs a search query against Google Places API to retrieve place information. The word 'Search' and the lack of any modification, deletion, or execution verbs indicate this is a Read operation. It retrieves data with no irreversible side effects. Severity is low because misuse would only expose publicly available location data.
From the tool's definition Tool name 'maps_search_places' and description 'Search for places using Google Places API' indicate a query operation that retrieves location data without modification or side effects.
Documented attack patterns abuse exactly the kind of access maps_search_places gives an agent:
PolicyLayer is an MCP gateway — it sits between your AI agents and MCP-Brave-Search, and nothing reaches the server without passing your rules. This is the rule we recommend for maps_search_places:
{
"version": "1",
"default": "deny",
"tools": {
"maps_search_places": {}
}
}maps_search_places is read-only, so it stays allowed — but everything else on the server is denied unless you say otherwise.
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Search for places using Google Places API. It is categorised as a Read tool in the MCP-Brave-Search MCP Server, which means it retrieves data without modifying state.
Register the MCP-Brave-Search MCP server in PolicyLayer and add a rule for maps_search_places: 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-Brave-Search. Nothing to install.
maps_search_places 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_search_places 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_search_places. 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_search_places is provided by the MCP-Brave-Search MCP server (modelcontextprotocol/servers-archived). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
Start from MCP-Brave-Search, add the rest of your stack, and see everything your agents can call. Then put policy on all of it.
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59 MCP-Brave-Search tools catalogued and risk-classified — across an index of 43,000+ MCP servers.