AI agents call get_binance_funding to retrieve information from Asterdex without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool performs data retrieval and analysis only—fetching publicly available market data (funding rates and mark prices) from Binance for arbitrage analysis. It has no ability to execute trades, modify positions, or commit funds. The comparison is analytical rather than transactional. Low severity because misuse would only result in incorrect analysis, not financial loss or unintended trading activity.
From the tool's definition Tool retrieves 'Binance funding rate and mark price' for comparison purposes. Uses read verbs (Get, Compare) with no modification or execution of trades.
Attacks that exploit this kind of access
Get Binance funding rate and mark price. Compare with Aster funding for arbitrage opportunities. It is categorised as a Read tool in the Asterdex MCP Server, which means it retrieves data without modifying state.
Register the Asterdex MCP server in PolicyLayer and add a rule for get_binance_funding: 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 Asterdex. Nothing to install.
get_binance_funding 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_binance_funding 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_binance_funding. 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_binance_funding is provided by the Asterdex MCP server (tyranosurasmax/asterdex-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.
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