sync_tool

A synchronous test tool

SERVERVultr MCP SOURCErsp2k/mcp-vultr

Low RISK CLASS

Category Other

Parameters 00 required

Recommended Rate-limitedsee the rule below

Registry record Grade F, identity unverified Pull the record →

This record as markdown: /tools/rsp2k-mcp-vultr/sync-tool.md

WHAT IT DOES

What sync_tool does on Vultr MCP

AI agents call sync_tool as a supporting operation in Vultr MCP workflows.

RISK

Why sync_tool is rated Low

The description is nearly empty and provides no actionable information about what the tool does. 'Synchronous test tool' suggests it may be a utility for testing or health-check purposes with no meaningful side effects, but confidence is very low due to the lack of detail.

From the tool's definition 'A synchronous test tool' - description is minimal and uninformative; name 'sync_tool' does not indicate any specific data operation

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs sync_tool safely

PolicyLayer is an MCP gateway: it sits between your AI agents and Vultr MCP, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For sync_tool, this is the rule to start with:

sync_tool Rate-limited

sync_tool gets a rate cap, and everything else on the server is denied unless you say otherwise.

View as policy code

policy.json

{
  "version": "1",
  "default": "deny",
  "tools": {
    "sync_tool": {
      "limits": [
        {
          "counter": "sync_tool_rate",
          "window": "minute",
          "max": 60,
          "scope": "grant"
        }
      ]
    }
  }
}

SET A RULE FOR THIS TOOL → Instant setup, no code required.

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

FAQ

Questions about sync_tool

What does the sync_tool tool do? +

A synchronous test tool. It is categorised as a Other tool in the Vultr MCP MCP Server, which means it performs auxiliary operations.

How do I enforce a policy on sync_tool? +

Register the Vultr MCP server in PolicyLayer and add a rule for sync_tool: 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 Vultr MCP. Nothing to install.

What risk level is sync_tool? +

sync_tool is a Other tool with low risk. Read-only tools are generally safe to allow by default.

Can I rate-limit sync_tool? +

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

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

sync_tool is provided by the Vultr MCP server (rsp2k/mcp-vultr). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

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