subscribeOrderbook

订阅订单薄深度快照（subscribe-snapshot 模式）

SERVERBybit MCP Server SOURCEbybit-exchange/trading-mcp

Low RISK CLASS

Category Read

Parameters 00 required

Recommended Allowedsee the rule below

Registry record Grade F, identity unverified Pull the record →

This record as markdown: /tools/bybit-exchange-trading-mcp/subscribeorderbook.md

WHAT IT DOES

What subscribeOrderbook does on Bybit MCP Server

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

RISK

Why subscribeOrderbook is rated Low

This tool subscribes to and retrieves orderbook snapshot data from the Bybit exchange via WebSocket streams. It has no side effects—it only reads and streams market data without creating, modifying, deleting, or executing any transactions or trades. While it is a real-time data feed, it remains purely informational (Read category).

From the tool's definition Tool name contains 'subscribe' and description indicates 'subscribe-snapshot 模式' (subscribe-snapshot mode), which retrieves real-time orderbook depth data.

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs subscribeOrderbook safely

PolicyLayer is an MCP gateway: it sits between your AI agents and Bybit MCP Server, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For subscribeOrderbook, this is the rule to start with:

subscribeOrderbook Allowed

subscribeOrderbook is read-only, so it stays allowed. Everything else on the server is denied unless you say otherwise.

View as policy code

policy.json

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

ALLOW ONLY THIS TOOL → Instant setup, no code required.

The button opens the PolicyLayer dashboard: create your workspace, connect Bybit MCP Server, apply this rule, and every subscribeOrderbook call is checked against it from then on.

FAQ

Questions about subscribeOrderbook

What does the subscribeOrderbook tool do? +

订阅订单薄深度快照（subscribe-snapshot 模式）. 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 subscribeOrderbook? +

Register the Bybit MCP Server MCP server in PolicyLayer and add a rule for subscribeOrderbook: 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 subscribeOrderbook? +

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

Can I rate-limit subscribeOrderbook? +

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

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

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

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