Kline/candlestick bars for the index price of a pair.
AI agents call indexPriceKlines to retrieve information from Aster Finance 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 historical candlestick (OHLC) data for index prices, which is a read-only operation that queries market data without side effects. While the server provides access to a cryptocurrency trading API (which could involve financial operations), this specific tool only fetches historical price information used for analysis and charting. It cannot modify account state, execute trades, or transfer funds.
From the tool's definition Tool name 'indexPriceKlines' and description 'Kline/candlestick bars for the index price of a pair' indicate retrieval of historical price data with no modification capability.
Attacks that exploit this kind of access
Kline/candlestick bars for the index price of a pair. It is categorised as a Read tool in the Aster Finance MCP Server MCP Server, which means it retrieves data without modifying state.
Register the Aster Finance MCP Server MCP server in PolicyLayer and add a rule for indexPriceKlines: 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 Aster Finance MCP Server. Nothing to install.
indexPriceKlines 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 indexPriceKlines 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 indexPriceKlines. 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.
indexPriceKlines is provided by the Aster Finance MCP Server MCP server (questflowai/aster-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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