AI agents call maps_geo to retrieve information from 高德地图 without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool performs geocoding - it queries a mapping database to retrieve geographic coordinates for addresses and landmarks. It retrieves data without creating, modifying, deleting, executing external operations, or affecting financial systems. The operation is read-only and has no adverse consequences if misused by an AI agent (it would simply return incorrect or irrelevant coordinates).
From the tool's definition Tool description indicates 'converts detailed structured addresses to latitude/longitude coordinates' and 'supports parsing of landmark names to coordinates'.
Documented attack patterns abuse exactly the kind of access maps_geo gives an agent:
PolicyLayer is an MCP gateway — it sits between your AI agents and 高德地图, and nothing reaches the server without passing your rules. This is the rule we recommend for maps_geo:
{
"version": "1",
"default": "deny",
"tools": {
"maps_geo": {}
}
}maps_geo is read-only, so it stays allowed — but everything else on the server is denied unless you say otherwise.
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将详细的结构化地址转换为经纬度坐标。支持对地标性名胜景区、建筑物名称解析为经纬度坐标. It is categorised as a Read tool in the 高德地图 MCP Server, which means it retrieves data without modifying state.
Register the 高德地图 MCP server in PolicyLayer and add a rule for maps_geo: 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 高德地图. Nothing to install.
maps_geo 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_geo 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_geo. 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_geo is provided by the 高德地图 MCP server (sugarforever/amap-mcp-server). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
Deterministic rules across all 16 高德地图 tools. Per-identity grants. Full audit log. Live in minutes. Nothing to install.
Free to start. No card required.
16 高德地图 tools catalogued and risk-classified — across an index of 42,500+ MCP servers.