get_xml_structure
AI agents call get_xml_structure to retrieve information from Apple Health MCP Server without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
The tool name suggests it retrieves or queries the XML structure of health data, which is a read-only operation with no side effects. The empty description lowers confidence slightly, but the naming pattern and sibling tools strongly indicate this is a data retrieval tool. Health data access poses minimal risk when read-only, though sensitivity of health information warrants noting the domain.
From the tool's definition Tool name 'get_xml_structure' indicates retrieval of data structure information without modification. Sibling tools (get_health_summary_*, get_statistics_by_type_*, get_trend_data_*) are all query/retrieval operations on Apple Health data.
Attacks that exploit this kind of access
get_xml_structure. It is categorised as a Read tool in the Apple Health MCP Server MCP Server, which means it retrieves data without modifying state.
Register the Apple Health MCP Server MCP server in PolicyLayer and add a rule for get_xml_structure: 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 Apple Health MCP Server. Nothing to install.
get_xml_structure 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_xml_structure 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_xml_structure. 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_xml_structure is provided by the Apple Health MCP Server MCP server (the-momentum/apple-health-mcp-server). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.