list_vnics
AI agents call list_vnics to retrieve information from OCI MCP Server without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
The tool retrieves network interface information without modifying or deleting any resources. However, severity is medium rather than low because VNICs are network infrastructure components whose configurations could inform network attack vectors or lateral movement strategies if discovered by a compromised agent.
From the tool's definition Tool name 'list_vnics' indicates listing Virtual Network Interface Cards (VNICs) in OCI, which is a read operation that retrieves network configuration data.
Attacks that exploit this kind of access
list_vnics. It is categorised as a Read tool in the OCI MCP Server MCP Server, which means it retrieves data without modifying state.
Register the OCI MCP Server MCP server in PolicyLayer and add a rule for list_vnics: 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 OCI MCP Server. Nothing to install.
list_vnics 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 list_vnics 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 list_vnics. 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.
list_vnics is provided by the OCI MCP Server MCP server (jopsis/mcp-server-oci). 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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