AI agents call subscribePublicTrade 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.
This tool retrieves real-time public trade data from the Bybit exchange. It performs no modifications, deletions, or financial transactions. Subscription to public market data streams is a standard Read operation that has no destructive or financial impact. The blast radius of misuse is minimal—an AI agent subscribing to trade data cannot cause account damage or financial loss.
From the tool's definition Tool name 'subscribePublicTrade' and description '订阅实时成交数据' (subscribe to real-time trade data) indicate a subscription to a public data stream.
Documented attack patterns abuse exactly the kind of access subscribePublicTrade gives an agent:
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 subscribePublicTrade:
{
"version": "1",
"default": "deny",
"tools": {
"subscribePublicTrade": {}
}
}subscribePublicTrade is read-only, so it stays allowed — but everything else on the server is denied unless you say otherwise.
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订阅实时成交数据. It is categorised as a Read tool in the Bybit MCP Server MCP Server, which means it retrieves data without modifying state.
Register the Bybit MCP Server MCP server in PolicyLayer and add a rule for subscribePublicTrade: 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.
subscribePublicTrade is a Read tool with low risk. Read-only tools are generally safe to allow by default.
Yes. Add a rate_limit block to the subscribePublicTrade 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.
Set action: deny in the PolicyLayer policy for subscribePublicTrade. 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.
subscribePublicTrade 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.
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.
Free to start. No card required.
326 Bybit MCP Server tools catalogued and risk-classified — across an index of 43,000+ MCP servers.