get_nearby_bus_stops
AI agents call get_nearby_bus_stops to retrieve information from OneMap MCP Server without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool retrieves information about nearby bus stops—a data query with no side effects, no modification capability, and no destructive or financial impact. It fits the Read category for data retrieval. The low severity reflects minimal risk even if misused, as it only exposes public geographic and transport information.
From the tool's definition Tool name 'get_nearby_bus_stops' indicates a query operation that retrieves public transport data. Description is empty, but the naming pattern and server context (location searches, routing, public transport data) clearly indicate a read-only lookup.
Attacks that exploit this kind of access
get_nearby_bus_stops. It is categorised as a Read tool in the OneMap MCP Server MCP Server, which means it retrieves data without modifying state.
Register the OneMap MCP Server MCP server in PolicyLayer and add a rule for get_nearby_bus_stops: 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 OneMap MCP Server. Nothing to install.
get_nearby_bus_stops 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 get_nearby_bus_stops 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 get_nearby_bus_stops. 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.
get_nearby_bus_stops is provided by the OneMap MCP Server MCP server (linzele/mcp-onemap). 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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