AI agents call subscribePriceLimit 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 subscribes to price limit data via WebSocket stream, which is a read/receive operation. It retrieves real-time market data about price limits without modifying any state or placing orders. Confidence is slightly reduced because the description is minimal and in Chinese, but 'subscribe' and 'price limit push' clearly indicate a read/monitoring operation.
From the tool's definition 订阅价格限制推送 (Subscribe to price limit push)
Documented attack patterns abuse exactly the kind of access subscribePriceLimit 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 subscribePriceLimit:
{
"version": "1",
"default": "deny",
"tools": {
"subscribePriceLimit": {}
}
}subscribePriceLimit is read-only, so it stays allowed — but everything else on the server is denied unless you say otherwise.
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订阅价格限制推送. 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 subscribePriceLimit: 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.
subscribePriceLimit 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 subscribePriceLimit 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 subscribePriceLimit. 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.
subscribePriceLimit 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.
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326 Bybit MCP Server tools catalogued and risk-classified — across an index of 43,000+ MCP servers.