get_mark_price_kline
AI agents call get_mark_price_kline to retrieve information from Aster Info without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool retrieves historical mark price candlestick data from the Aster DEX. No modification, deletion, or execution of external operations is indicated. The mark price kline (candlestick data) is informational financial data used for analysis. The blast radius of misuse is minimal—an agent requesting unnecessary kline data poses no financial or operational risk.
From the tool's definition Tool name 'get_mark_price_kline' and server purpose provide structured access to market data (candlesticks, pricing). The 'get_' prefix and context of sibling tools (get_kline, get_latest_price, get_order_book) indicate a data retrieval operation.
Attacks that exploit this kind of access
get_mark_price_kline. It is categorised as a Read tool in the Aster Info MCP Server, which means it retrieves data without modifying state.
Register the Aster Info MCP server in PolicyLayer and add a rule for get_mark_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 Aster Info. Nothing to install.
get_mark_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_mark_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_mark_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_mark_price_kline is provided by the Aster Info MCP server (kukapay/aster-info-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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