高德地图 - 地铁公交路线规划
AI agents call amap_route_subway to retrieve information from Amap MCP Server without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool queries the Amap API to retrieve public transit route information between locations. It is a read-only operation that searches and returns navigation data without creating, modifying, deleting, or executing external actions. The output depends on input parameters but does not produce side effects beyond returning route suggestions. This aligns with the 'Read' category for data retrieval services.
From the tool's definition Tool name 'amap_route_subway' and description '高德地图 - 地铁公交路线规划' (Amap subway/public transit route planning) indicate a query-based service that retrieves and returns route planning information without modifying data or executing external operations with…
Attacks that exploit this kind of access
高德地图 - 地铁公交路线规划. It is categorised as a Read tool in the Amap MCP Server MCP Server, which means it retrieves data without modifying state.
Register the Amap MCP Server MCP server in PolicyLayer and add a rule for amap_route_subway: 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 Amap MCP Server. Nothing to install.
amap_route_subway 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 amap_route_subway 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 amap_route_subway. 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.
amap_route_subway is provided by the Amap MCP Server MCP server (qiao101660/gaode_mcp). 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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