get_orderbook

THE RISK

Low Risk

Why get_orderbook needs a policy

This tool retrieves public market data (bids and asks) from the XRPL DEX without side effects. It does not execute trades, modify balances, transfer funds, or trigger any irreversible actions.

From the tool's definition Tool name 'get_orderbook' and description 'Query the XRPL DEX orderbook depth for a trading pair' indicate a read-only data retrieval operation.

Documented attack patterns abuse exactly the kind of access get_orderbook gives an agent:

POLICY

How to control get_orderbook

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

policy.json

{
  "version": "1",
  "default": "deny",
  "tools": {
    "get_orderbook": {}
  }
}

get_orderbook is read-only, so it stays allowed — but everything else on the server is denied unless you say otherwise.

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

CAP THIS TOOL →

Free to start. No card required.

EXPLORE

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Go deeper

The MCP Attack Database → Documented attack patterns against MCP deployments — and the policies that stop them.
Data exfiltration → How read access becomes an exfiltration channel when chained with untrusted content.
MCP token cost → What connecting this server costs in context-window tokens on every request.
Rate Limiting MCP Tool Calls: A Practical Guide →
MCP Security: Why Prompt Guardrails Aren't Enough →

FAQ

Questions about get_orderbook

What does the get_orderbook tool do? +

Query the XRPL DEX orderbook depth for a trading pair (bids and asks). It is categorised as a Read tool in the Waiaas MCP Server, which means it retrieves data without modifying state.

How do I enforce a policy on get_orderbook? +

Register the Waiaas MCP server in PolicyLayer and add a rule for get_orderbook: 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 Waiaas. Nothing to install.

What risk level is get_orderbook? +

get_orderbook is a Read tool with low risk. Read-only tools are generally safe to allow by default.

Can I rate-limit get_orderbook? +

Yes. Add a rate_limit block to the get_orderbook 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 get_orderbook completely? +

Set action: deny in the PolicyLayer policy for get_orderbook. 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 get_orderbook? +

get_orderbook is provided by the Waiaas MCP server (minhoyoo-iotrust/waiaas). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

Enforce policy on every Waiaas tool call.

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

CHECK YOUR STACK →