Low Risk

get_order_book

Get order book depth for a trading symbol

How to control get_order_book ↓

What get_order_book does on Bybit MCP Server

AI agents call get_order_book to retrieve information from Bybit MCP Server without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.

Low Risk

Why get_order_book needs a policy

This tool only fetches read-only market data (order book depth) from Bybit's API. It performs no writes, executions, or financial transactions. Misuse potential is minimal as it only returns publicly available market information.

From the tool's definition "Get order book depth for a trading symbol" — retrieves market data with no side effects

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

How to control get_order_book

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

policy.json
{
  "version": "1",
  "default": "deny",
  "tools": {
    "get_order_book": {}
  }
}

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

  1. Create a free account and register Bybit MCP Server — 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 get_order_book

What does the get_order_book tool do? +

Get order book depth for a trading symbol. It is categorised as a Read tool in the Bybit MCP Server MCP Server, which means it retrieves data without modifying state.

How do I enforce a policy on get_order_book? +

Register the Bybit MCP Server MCP server in PolicyLayer and add a rule for get_order_book: 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 Bybit MCP Server. Nothing to install.

What risk level is get_order_book? +

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

Can I rate-limit get_order_book? +

Yes. Add a rate_limit block to the get_order_book 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_order_book completely? +

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

get_order_book is provided by the Bybit MCP Server MCP server (bcusack/bybit-py-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

Enforce policy on every Bybit MCP Server tool call.

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

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36 Bybit MCP Server tools catalogued and risk-classified — across an index of 43,000+ MCP servers.

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