Critical Risk →

token-clawback

Claw back tokens issued by your account from a holder

How to control token-clawback ↓

What token-clawback does on Xrpl mcp

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

Critical Risk

Why token-clawback needs a policy

This tool forcibly removes tokens from another account's holdings and returns them to the issuer. This is an irreversible financial action that directly affects the token balances of other parties on the XRP Ledger, making it both Financial and Destructive in nature. Financial is the most severe applicable category.

From the tool's definition Claw back tokens issued by your account from a holder

Documented attack patterns abuse exactly the kind of access token-clawback gives an agent:

How to control token-clawback

PolicyLayer is an MCP gateway — it sits between your AI agents and Xrpl mcp, and nothing reaches the server without passing your rules. This is the rule we recommend for token-clawback:

policy.json
{
  "version": "1",
  "default": "deny",
  "tools": {
    "token-clawback": {
      "deny_if": [
        {
          "conditions": [],
          "on_deny": "Requires human approval."
        }
      ]
    }
  }
}

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

  1. Create a free account and register Xrpl mcp — nothing to install.
  2. Add this policy — paste it, or build it visually.
  3. Point your MCP client (Claude, Cursor, anything) at your gateway URL.
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Related tools and policies

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Questions about token-clawback

What does the token-clawback tool do? +

Claw back tokens issued by your account from a holder. 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 token-clawback? +

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

token-clawback 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 token-clawback? +

Yes. Add a rate_limit block to the token-clawback 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 token-clawback completely? +

Set action: deny in the PolicyLayer policy for token-clawback. 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 token-clawback? +

token-clawback 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.

Enforce policy on every Xrpl mcp tool call.

Start from Xrpl mcp, add the rest of your stack, and see everything your agents can call. Then put policy on all of it.

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71 Xrpl mcp tools catalogued and risk-classified — across an index of 43,000+ MCP servers.

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