get_node_hardware_pci
List PCI hardware devices on a node (for passthrough).
This record as markdown: /tools/gethosthewalrus-proxmox-mcp/get-node-hardware-pci.md
What get_node_hardware_pci does on Proxmox MCP Server
AI agents call get_node_hardware_pci to retrieve information from Proxmox MCP Server without modifying anything. It is typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
Why get_node_hardware_pci is rated Low
This tool queries and returns information about PCI hardware available on a node, which is a read-only operation. It has no side effects and does not create, modify, delete, or execute any infrastructure changes. The retrieved information would typically be used to inform decisions about device passthrough configuration, but the tool itself only retrieves and presents data.
From the tool's definition Tool name 'get_node_hardware_pci' with verb 'List' in description indicates retrieval of existing data about PCI hardware devices. No modification, deletion, or execution of commands occurs.
Attacks that exploit this kind of access
The rule that runs get_node_hardware_pci safely
PolicyLayer is an MCP gateway: it sits between your AI agents and Proxmox MCP Server, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For get_node_hardware_pci, this is the rule to start with:
get_node_hardware_pci is read-only, so it stays allowed. Everything else on the server is denied unless you say otherwise.
The button opens the PolicyLayer dashboard: create your workspace, connect Proxmox MCP Server, apply this rule, and every get_node_hardware_pci call is checked against it from then on.
Questions about get_node_hardware_pci
List PCI hardware devices on a node (for passthrough). It is categorised as a Read tool in the Proxmox MCP Server MCP Server, which means it retrieves data without modifying state.
Register the Proxmox MCP Server MCP server in PolicyLayer and add a rule for get_node_hardware_pci: 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 Proxmox MCP Server. Nothing to install.
get_node_hardware_pci 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_node_hardware_pci 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_node_hardware_pci. 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_node_hardware_pci is provided by the Proxmox MCP Server MCP server (gethosthewalrus/proxmox-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
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