get_vcn
AI agents call get_vcn 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 'get_' prefix strongly indicates a retrieval operation with no side effects. VCNs are network infrastructure components where read access allows querying configuration and status but not modifying or deleting them. The tool description is empty, slightly lowering confidence, but the naming convention and context of sibling read-only tools provide high confidence this is a Read operation with low severity.
From the tool's definition Tool name 'get_vcn' follows the 'get_' prefix pattern consistent with sibling tools like 'get_alarm', 'get_autonomous_database', 'get_boot_volume', and 'get_bucket', all of which are read-only retrieval operations.
Attacks that exploit this kind of access
get_vcn. 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 get_vcn: 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.
get_vcn 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_vcn 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_vcn. 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_vcn 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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