convert_4326_to_3414
AI agents call convert_4326_to_3414 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.
Coordinate conversion tools perform a pure mathematical transformation between coordinate reference systems with no side effects, data modification, or external operations. The description is empty, but the naming pattern and server context (OneMap APIs for location/routing) strongly indicate a read-only conversion operation. Severity is low as misuse would only result in incorrect coordinates.
From the tool's definition Tool name 'convert_4326_to_3414' suggests coordinate system conversion (WGS84 to SVY21), consistent with sibling tools like 'convert_3414_to_3857' and 'convert_3857_to_4326' which are all coordinate conversions.
Attacks that exploit this kind of access
convert_4326_to_3414. 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 convert_4326_to_3414: 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.
convert_4326_to_3414 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 convert_4326_to_3414 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 convert_4326_to_3414. 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.
convert_4326_to_3414 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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