payment-channel-fund

Add additional XRP to an existing Payment Channel

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/payment-channel-fund.md

WHAT IT DOES

What payment-channel-fund does on Xrpl mcp

AI agents use payment-channel-fund 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 payment-channel-fund is rated Critical

This tool moves XRP (a financial asset) by funding a payment channel on the XRP Ledger. Committing cryptocurrency to a payment channel is a financial operation that locks real value. Misuse could result in unintended transfer or locking of funds.

From the tool's definition Add additional XRP to an existing Payment Channel

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs payment-channel-fund 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 payment-channel-fund, this is the rule to start with:

payment-channel-fund Approval-gated

Any call to payment-channel-fund 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": {
    "payment-channel-fund": {
      "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 payment-channel-fund call is checked against it from then on.

FAQ

Questions about payment-channel-fund

What does the payment-channel-fund tool do? +

Add additional XRP to an existing Payment Channel. 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 payment-channel-fund? +

Register the Xrpl MCP server in PolicyLayer and add a rule for payment-channel-fund: 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 payment-channel-fund? +

payment-channel-fund 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 payment-channel-fund? +

Yes. Add a rate_limit block to the payment-channel-fund 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 payment-channel-fund completely? +

Set action: deny in the PolicyLayer policy for payment-channel-fund. 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 payment-channel-fund? +

payment-channel-fund 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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