List all service categories available from OCI\
AI agents call list_oci_categories to retrieve information from Cloud Cost MCP without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool retrieves and returns metadata about OCI service categories without side effects. It performs a query-like operation that returns reference data only. No data is created, modified, deleted, or executed. The blast radius of misuse is minimal – an attacker could only learn what services are available, which is typically non-sensitive reference information in a pricing comparison context.
From the tool's definition Tool description states "List all service categories available from OCI" – a simple enumeration of available categories with no modification, deletion, or execution of commands. The verb "list" is a classic Read operation.
Attacks that exploit this kind of access
List all service categories available from OCI\. It is categorised as a Read tool in the Cloud Cost MCP MCP Server, which means it retrieves data without modifying state.
Register the Cloud Cost MCP server in PolicyLayer and add a rule for list_oci_categories: 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 Cloud Cost MCP. Nothing to install.
list_oci_categories 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_oci_categories 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_oci_categories. 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_oci_categories is provided by the Cloud Cost MCP server (jasonwilbur/cloud-cost-mcp). 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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