ticket-create

THE RISK

Medium Risk

Why ticket-create needs a policy

This tool creates sequence number tickets on the XRP Ledger, which are reversible modifications to ledger state (tickets can be used or expired). While it modifies the ledger and has financial implications for the XRP Ledger ecosystem, it does not directly transfer funds (Financial category) or permanently delete data (Destructive category).

From the tool's definition Tool name 'ticket-create' and description 'Create one or more sequence number tickets on the XRP Ledger' clearly indicate creation of ledger objects. The tool creates tickets (modifiable ledger state) rather than irreversibly destroying data or moving funds.

Documented attack patterns abuse exactly the kind of access ticket-create gives an agent:

POLICY

How to control ticket-create

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 ticket-create:

policy.json

{
  "version": "1",
  "default": "deny",
  "tools": {
    "ticket-create": {
      "limits": [
        {
          "counter": "ticket-create_rate",
          "window": "minute",
          "max": 30,
          "scope": "grant"
        }
      ]
    }
  }
}

ticket-create stays usable, but capped — an agent stuck in a loop can't make hundreds of changes a minute. Everything else on the server is denied unless you say otherwise.

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

LIMIT THIS TOOL →

Free to start. No card required.

EXPLORE

Related tools and policies

More Xrpl mcp tools

Financial amm-deposit Deposit assets into an existing Automated Market Maker (AMM) on the XRP Ledger Financial transfer-token Transfer tokens between addresses Financial transfer-xrp Transfer XRP between accounts using the connected wallet or a named wallet Financial check-cash Cash a Check to receive funds from it Financial amm-bid Place a bid on an Automated Market Maker Financial amm-clawback Clawback assets from an Automated Market Maker (AMM) Financial amm-create Create a new Automated Market Maker (AMM) on the XRP Ledger Financial approve-transaction Approve a pending transaction, signing and submitting it to the XRP Ledger. This is a dest

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Write tools on other servers

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Go deeper

The MCP Attack Database → Documented attack patterns against MCP deployments — and the policies that stop them.
Argument validation → Checking tool call arguments against schema and policy before they run.
Scoped token → Per-person credentials that grant a defined subset of servers and tools.
Rate Limiting MCP Tool Calls: A Practical Guide →
MCP Security: Why Prompt Guardrails Aren't Enough →

FAQ

Questions about ticket-create

What does the ticket-create tool do? +

Create one or more sequence number tickets on the XRP Ledger. It is categorised as a Write tool in the Xrpl mcp MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.

How do I enforce a policy on ticket-create? +

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

ticket-create is a Write tool with medium risk. Write tools should be rate-limited to prevent accidental bulk modifications.

Can I rate-limit ticket-create? +

Yes. Add a rate_limit block to the ticket-create 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 ticket-create completely? +

Set action: deny in the PolicyLayer policy for ticket-create. 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 ticket-create? +

ticket-create 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.

CHECK YOUR STACK →