Get GX device identity and connection info: serial number, relay states, system time, and connection details. MAC address and hostname are NOT available via Modbus TCP. Unit ID is always 100.
AI agents call victron_gx_info to retrieve information from Victron Tcp without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool queries device metadata and status information from a Victron Energy system without creating, modifying, deleting, or executing operations. It is a straightforward read-only operation. The low severity reflects that this information would be of limited value to an attacker and does not permit interference with system operations.
From the tool's definition Tool description states it 'Get[s] GX device identity and connection info' including 'serial number, relay states, system time, and connection details.' The verb 'Get' and the nature of the information (identity, status, time) indicate pure data retrieval…
Attacks that exploit this kind of access
Get GX device identity and connection info: serial number, relay states, system time, and connection details. MAC address and hostname are NOT available via Modbus TCP. Unit ID is always 100. It is categorised as a Read tool in the Victron Tcp MCP Server, which means it retrieves data without modifying state.
Register the Victron Tcp MCP server in PolicyLayer and add a rule for victron_gx_info: 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 Victron Tcp. Nothing to install.
victron_gx_info 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 victron_gx_info 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 victron_gx_info. 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.
victron_gx_info is provided by the Victron Tcp MCP server (lubosstrejcek/victron-tcp). 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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