get_balance_summary

Get a summary of all subaccount balances and charges.

SERVERVultr MCP SOURCErsp2k/mcp-vultr

Low RISK CLASS

Category Read

Parameters 00 required

Recommended Allowedsee the rule below

Registry record Grade F, identity unverified Pull the record →

This record as markdown: /tools/rsp2k-mcp-vultr/get-balance-summary.md

WHAT IT DOES

What get_balance_summary does on Vultr MCP

AI agents call get_balance_summary to retrieve information from Vultr MCP without modifying anything. It is typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.

RISK

Why get_balance_summary is rated Low

This tool retrieves financial balance and charge information without modifying accounts, transferring funds, or executing transactions. While the data retrieved is financially sensitive, the operation itself is read-only with no side effects. Classification as Read is appropriate; severity is low because viewing balance information poses minimal risk compared to actual financial transactions.

From the tool's definition Tool name 'get_balance_summary' and description 'Get a summary of all subaccount balances and charges' indicate data retrieval only.

Attacks that exploit this kind of access

RECOMMENDED RULE

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

get_balance_summary Allowed

get_balance_summary is read-only, so it stays allowed. Everything else on the server is denied unless you say otherwise.

View as policy code

policy.json

{
  "version": "1",
  "default": "deny",
  "tools": {
    "get_balance_summary": {}
  }
}

ALLOW ONLY THIS TOOL → Instant setup, no code required.

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

FAQ

Questions about get_balance_summary

What does the get_balance_summary tool do? +

Get a summary of all subaccount balances and charges. It is categorised as a Read tool in the Vultr MCP MCP Server, which means it retrieves data without modifying state.

How do I enforce a policy on get_balance_summary? +

Register the Vultr MCP server in PolicyLayer and add a rule for get_balance_summary: 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 get_balance_summary? +

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

Can I rate-limit get_balance_summary? +

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

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

get_balance_summary 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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