This record as markdown: /tools/cbrown35-20i-mcp/set-vps-name.md
What set_vps_name does on 20i MCP Server
AI agents use set_vps_name to create or update resources in 20i MCP Server, usually the action step of a workflow, after the agent has gathered context. Every call changes real data in your 20i MCP Server environment.
Why set_vps_name is rated Medium
Renaming a VPS is a non-destructive configuration change. It modifies data (the VPS name property) but is easily reversible by renaming again. It has no financial impact, does not execute arbitrary code, and does not delete or irreversibly alter infrastructure. This is a typical Write-category operation with low blast radius if misused by an AI agent—the worst outcome would be a confusingly named VPS.
From the tool's definition Tool name 'set_vps_name' and description 'Set VPS name' indicate modification of a VPS configuration attribute (the name/label). This is a reversible write operation that changes metadata without deleting data or executing code.
Attacks that exploit this kind of access
The rule that runs set_vps_name 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 set_vps_name, this is the rule to start with:
set_vps_name stays usable, but capped: an agent stuck in a loop can't make hundreds of changes a minute. 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 set_vps_name call is checked against it from then on.
Questions about set_vps_name
set_vps_name is a write tool on the 20i MCP Server MCP server. It is categorised as a Write tool in the 20i MCP Server MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.
Register the 20i MCP Server MCP server in PolicyLayer and add a rule for set_vps_name: 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.
set_vps_name is a Write tool with medium risk. Write tools should be rate-limited to prevent accidental bulk modifications.
Yes. Add a rate_limit block to the set_vps_name 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 set_vps_name. 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.
set_vps_name 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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