This record as markdown: /tools/cbrown35-20i-mcp/get-vps-disks.md
What get_vps_disks does on 20i MCP Server
AI agents call get_vps_disks to retrieve information from 20i 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_vps_disks is rated Low
This tool queries and returns information about VPS disk configurations. It performs no modifications, deletions, or external operations. The verb 'get' combined with 'information' clearly indicates a read-only retrieval operation. The blast radius of misuse is minimal — an attacker could only gain visibility into disk usage and configuration details without causing harm to systems or data.
From the tool's definition Tool name is 'get_vps_disks' and description states 'Get VPS disk information' — a retrieval operation with no side effects.
Attacks that exploit this kind of access
The rule that runs get_vps_disks safely
PolicyLayer is an MCP gateway: it sits between your AI agents and 20i MCP Server, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For get_vps_disks, this is the rule to start with:
get_vps_disks 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 20i MCP Server, apply this rule, and every get_vps_disks call is checked against it from then on.
Questions about get_vps_disks
Get VPS disk information. It is categorised as a Read tool in the 20i MCP Server MCP Server, which means it retrieves data without modifying state.
Register the 20i MCP Server MCP server in PolicyLayer and add a rule for get_vps_disks: 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 20i MCP Server. Nothing to install.
get_vps_disks 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_vps_disks 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_vps_disks. 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_vps_disks is provided by the 20i MCP Server MCP server (cbrown35/20i-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
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