AI agents call get_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.
Klines (candlestick charts) are historical price/volume data used for analysis. The tool retrieves this data without modifying state, executing code, or affecting financial positions. Consistent classification with other get_ prefixed tools on the same server. Confidence is 0.85 rather than higher only because the description is empty; however, the name and sibling context provide strong evidence.
From the tool's definition Tool name 'get_kline' is a standard financial data retrieval function (kline = candlestick/OHLC data). Consistent with sibling tools like 'get_account_info', 'get_fee_rate', 'get_funding_rate_history', 'get_instruments_info', and 'get_open_interest', which…
Attacks that exploit this kind of access
get_kline. 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_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_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_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_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_kline is provided by the Bybit MCP server (workspace/bybit-mcp-server). 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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