approve-transaction

Approve a pending transaction, signing and submitting it to the XRP Ledger. This is a destructive action that sends a real transaction.

SERVERXrpl mcp SOURCEromthpt/mcp-xrpl

Critical RISK CLASS

Category Financial

Parameters 00 required

Recommended Approval-gatedsee the rule below

Registry record Grade F, identity unverified Pull the record →

This record as markdown: /tools/romthpt-mcp-xrpl/approve-transaction.md

WHAT IT DOES

What approve-transaction does on Xrpl mcp

AI agents use approve-transaction to commit financial operations through Xrpl mcp, usually the final step of a payment, billing, or trading workflow. A call moves real money.

RISK

Why approve-transaction is rated Critical

This tool approves, signs, and submits a real transaction to the XRP Ledger. Transactions on the XRP Ledger can involve transferring XRP or tokens, committing financial obligations, or triggering irreversible on-chain operations.

From the tool's definition 'signing and submitting it to the XRP Ledger' and 'sends a real transaction' — approves and submits a pending financial transaction on the XRP Ledger

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs approve-transaction 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 approve-transaction, this is the rule to start with:

approve-transaction Approval-gated

Any call to approve-transaction is blocked until a human approves it. The rest of the server keeps working.

View as policy code

policy.json

{
  "version": "1",
  "default": "deny",
  "tools": {
    "approve-transaction": {
      "deny_if": [
        {
          "conditions": [],
          "on_deny": "Requires human approval."
        }
      ]
    }
  }
}

GATE THIS TOOL → Instant setup, no code required.

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

FAQ

Questions about approve-transaction

What does the approve-transaction tool do? +

Approve a pending transaction, signing and submitting it to the XRP Ledger. This is a destructive action that sends a real transaction. It is categorised as a Financial tool in the Xrpl mcp MCP Server, which means it involves financial transactions. Block by default and require explicit approval.

How do I enforce a policy on approve-transaction? +

Register the Xrpl MCP server in PolicyLayer and add a rule for approve-transaction: 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 approve-transaction? +

approve-transaction is a Financial tool with critical risk. Critical-risk tools should be blocked by default and only enabled with explicit human approval.

Can I rate-limit approve-transaction? +

Yes. Add a rate_limit block to the approve-transaction 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 approve-transaction completely? +

Set action: deny in the PolicyLayer policy for approve-transaction. 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 approve-transaction? +

approve-transaction 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.

KEEP EXPLORING

More on Xrpl, and thousands of servers like it.

This server

All 71 Xrpl tools → Critical-risk tools on this server →

Across the catalogue

bank_transaction_create on AbraFlexi → All critical-risk MCP tools → The MCP Attack Database →

Guides

Govern MCP payment tools →Human-in-the-loop →Tool call approval →