mpt-get-balance

Get the MPT balance for a specific account.

SERVERXrpl mcp SOURCEromthpt/mcp-xrpl

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/romthpt-mcp-xrpl/mpt-get-balance.md

WHAT IT DOES

What mpt-get-balance does on Xrpl mcp

AI agents call mpt-get-balance to retrieve information from Xrpl 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 mpt-get-balance is rated Low

This tool performs a read-only operation to query the balance of Marketable Payment Tokens (MPT) for an account on the XRP Ledger. It retrieves data with no side effects, no state changes, and no ability to execute transactions or delete data. This is a straightforward data retrieval operation falling clearly into the Read category.

From the tool's definition Tool name 'mpt-get-balance' and description 'Get the MPT balance for a specific account' indicate a query operation that retrieves account balance information without modification.

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs mpt-get-balance safely

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

mpt-get-balance Allowed

mpt-get-balance 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": {
    "mpt-get-balance": {}
  }
}

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

The button opens the PolicyLayer dashboard: create your workspace, connect Xrpl mcp, apply this rule, and every mpt-get-balance call is checked against it from then on.

FAQ

Questions about mpt-get-balance

What does the mpt-get-balance tool do? +

Get the MPT balance for a specific account. It is categorised as a Read tool in the Xrpl mcp MCP Server, which means it retrieves data without modifying state.

How do I enforce a policy on mpt-get-balance? +

Register the Xrpl MCP server in PolicyLayer and add a rule for mpt-get-balance: 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 Xrpl mcp. Nothing to install.

What risk level is mpt-get-balance? +

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

Can I rate-limit mpt-get-balance? +

Yes. Add a rate_limit block to the mpt-get-balance 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 mpt-get-balance completely? +

Set action: deny in the PolicyLayer policy for mpt-get-balance. 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 mpt-get-balance? +

mpt-get-balance is provided by the Xrpl MCP server (romthpt/mcp-xrpl). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

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