oracle-delete

THE RISK

Critical Risk

Why oracle-delete needs a policy

This tool performs an irreversible deletion operation on the XRP Ledger. Deletion of oracle objects cannot be undone and represents permanent data loss. While the blast radius is somewhat limited to oracle objects specifically (rather than arbitrary ledger data), the destructive nature of the operation and its finality on a blockchain system warrants the Destructive category and high severity rating.

From the tool's definition Tool description states "Delete an Oracle object on the XRP Ledger" - the word "Delete" indicates irreversible removal of data.

Documented attack patterns abuse exactly the kind of access oracle-delete gives an agent:

POLICY

How to control oracle-delete

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 oracle-delete:

policy.json

{
  "version": "1",
  "default": "deny",
  "hide": [
    "oracle-delete"
  ]
}

oracle-delete disappears from the agent's tool list entirely, and any attempt to call it is denied. The rest of the server keeps working.

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.

RESTRICT THIS TOOL →

Free to start. No card required.

EXPLORE

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Go deeper

Critical-risk tools in Xrpl mcp → Every critical-risk tool this server exposes, in one view.
All critical-risk MCP tools → Every critical-risk tool across the catalogue, and the policy pattern that contains them.
The MCP Attack Database → Documented attack patterns against MCP deployments — and the policies that stop them.
Blast radius → How much damage one compromised or confused agent can do — and how to bound it.
Tool call approval → Approval gates on individual tool calls: auto-allow, prompt, or deny.
Rate Limiting MCP Tool Calls: A Practical Guide →
MCP Security: Why Prompt Guardrails Aren't Enough →

FAQ

Questions about oracle-delete

What does the oracle-delete tool do? +

Delete an Oracle object on the XRP Ledger Price Oracle amendment is required. It is categorised as a Destructive tool in the Xrpl mcp MCP Server, which means it can permanently delete or destroy data. Block by default and require explicit approval.

How do I enforce a policy on oracle-delete? +

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

oracle-delete is a Destructive tool with critical risk. Critical-risk tools should be blocked by default and only enabled with explicit human approval.

Can I rate-limit oracle-delete? +

Yes. Add a rate_limit block to the oracle-delete 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 oracle-delete completely? +

Set action: deny in the PolicyLayer policy for oracle-delete. 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 oracle-delete? +

oracle-delete 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 →