AI agents call get_premium_index_price_kline to retrieve information from Bybit without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool fetches time-series market data (kline/candlestick data for premium index prices) which is a read-only query operation. It has no capacity to modify state, execute code, delete data, or commit financial transactions. The blast radius of misuse is minimal—an AI agent could only retrieve market data that is publicly available.
From the tool's definition Tool name and description indicate data retrieval: 'Get premium index price kline data' returns historical price information with no modifications or side effects.
Attacks that exploit this kind of access
Get premium index price kline data. It is categorised as a Read tool in the Bybit MCP Server, which means it retrieves data without modifying state.
Register the Bybit MCP server in PolicyLayer and add a rule for get_premium_index_price_kline: 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. Nothing to install.
get_premium_index_price_kline 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 get_premium_index_price_kline 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 get_premium_index_price_kline. 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.
get_premium_index_price_kline is provided by the Bybit MCP server (johnnywic/bybit-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
Every MCP server has a record like this.
Type a name, get the same breakdown: verified identity, auth posture, risk grade, capabilities, recommended policy.
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