Query historical premium index price klines, representing the basis between mark price and index price\nused in funding rate calculations for USDT and USDC perpetual contracts.\n\nUse this endpoint when you need to:\n- Analyze historical funding rate basis for perpetual contracts\n- Research the ...
AI agents call getPremiumIndexPriceKline 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 market data (klines/candlestick data) from the Bybit exchange for analysis purposes. It has no capability to modify positions, execute trades, delete data, or move funds. The blast radius of misuse is minimal — an AI agent could only retrieve publicly available or user-owned historical pricing data, which poses low risk.
From the tool's definition Query historical premium index price klines — 'query' and 'historical' indicate data retrieval with no side effects.
Documented attack patterns abuse exactly the kind of access getPremiumIndexPriceKline 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 getPremiumIndexPriceKline:
{
"version": "1",
"default": "deny",
"tools": {
"getPremiumIndexPriceKline": {}
}
}getPremiumIndexPriceKline is read-only, so it stays allowed — but everything else on the server is denied unless you say otherwise.
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Query historical premium index price klines, representing the basis between mark price and index price\nused in funding rate calculations for USDT and USDC perpetual contracts.\n\nUse this endpoint when you need to:\n- Analyze historical funding rate basis for perpetual contracts\n- Research the relationship between mark price and index price over time\n- Build charts of the premium index (values are typically small positive or negative decimals)\n\nSupported Products: USDT perpetual, USDC perpetual\n\nEach kline entry is a 5-element array:. 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 getPremiumIndexPriceKline: 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.
getPremiumIndexPriceKline 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 getPremiumIndexPriceKline 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 getPremiumIndexPriceKline. 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.
getPremiumIndexPriceKline 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.