unlock_vps_vnc

Unlock VNC console access for specific IP

SERVER20i MCP Server SOURCEcbrown35/20i-mcp

Medium RISK CLASS

Category Write

Parameters 00 required

Recommended Rate-limitedsee the rule below

Registry record Grade F, identity unverified Pull the record →

This record as markdown: /tools/cbrown35-20i-mcp/unlock-vps-vnc.md

WHAT IT DOES

What unlock_vps_vnc does on 20i MCP Server

AI agents use unlock_vps_vnc 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.

RISK

Why unlock_vps_vnc is rated Medium

This tool modifies access control settings by enabling VNC console access for a specific IP address. It is a reversible configuration change (access can be re-locked), making it a Write operation. However, misuse could grant unauthorized remote console access to a VPS, which has a meaningful blast radius as VNC provides low-level machine access.

From the tool's definition Unlock VNC console access for specific IP

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs unlock_vps_vnc 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 unlock_vps_vnc, this is the rule to start with:

unlock_vps_vnc Rate-limited

unlock_vps_vnc 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.

View as policy code

policy.json

{
  "version": "1",
  "default": "deny",
  "tools": {
    "unlock_vps_vnc": {
      "limits": [
        {
          "counter": "unlock_vps_vnc_rate",
          "window": "minute",
          "max": 30,
          "scope": "grant"
        }
      ]
    }
  }
}

LIMIT THIS TOOL → Instant setup, no code required.

The button opens the PolicyLayer dashboard: create your workspace, connect 20i MCP Server, apply this rule, and every unlock_vps_vnc call is checked against it from then on.

FAQ

Questions about unlock_vps_vnc

What does the unlock_vps_vnc tool do? +

Unlock VNC console access for specific IP. 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.

How do I enforce a policy on unlock_vps_vnc? +

Register the 20i MCP Server MCP server in PolicyLayer and add a rule for unlock_vps_vnc: 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.

What risk level is unlock_vps_vnc? +

unlock_vps_vnc is a Write tool with medium risk. Write tools should be rate-limited to prevent accidental bulk modifications.

Can I rate-limit unlock_vps_vnc? +

Yes. Add a rate_limit block to the unlock_vps_vnc 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 unlock_vps_vnc completely? +

Set action: deny in the PolicyLayer policy for unlock_vps_vnc. 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 unlock_vps_vnc? +

unlock_vps_vnc 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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