list_file_systems · OCI MCP Server MCP: Risk & Policy

WHAT IT DOES

What list_file_systems does on OCI MCP Server

AI agents call list_file_systems 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.

WHY IT NEEDS A POLICY

Why list_file_systems needs a policy

The 'list_' operation pattern universally denotes data retrieval (Read category). OCI file systems may contain sensitive metadata or configuration details, warranting medium severity if exposed to an untrusted agent, though the action itself is non-destructive.

From the tool's definition Tool name is 'list_file_systems', following the 'list_*' pattern which consistently indicates retrieval operations without side effects. The 'list_' prefix in OCI APIs retrieves and enumerates resources.

Attacks that exploit this kind of access

Questions about list_file_systems

What does the list_file_systems tool do? +

list_file_systems. It is categorised as a Read tool in the OCI MCP Server MCP Server, which means it retrieves data without modifying state.

How do I enforce a policy on list_file_systems? +

Register the OCI MCP Server MCP server in PolicyLayer and add a rule for list_file_systems: 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.

What risk level is list_file_systems? +

list_file_systems is a Read tool with low risk. Read-only tools are generally safe to allow by default.

Can I rate-limit list_file_systems? +

Yes. Add a rate_limit block to the list_file_systems 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.

How do I block list_file_systems completely? +

Set action: deny in the PolicyLayer policy for list_file_systems. 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.

What MCP server provides list_file_systems? +

list_file_systems 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.