获取全球加密货币市场数据
AI agents call get_global_market_data to retrieve information from Crypto MCP without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool retrieves or queries market data without modifying, executing code, or committing financial transactions. It is a passive data retrieval operation with no side effects, fitting the 'Read' category. Severity is low because even if misused, it only exposes publicly available market information without enabling financial transfers, code execution, or data modification.
From the tool's definition Tool name 'get_global_market_data' and description 'retrieves global cryptocurrency market data' indicate a query/retrieval operation.
Attacks that exploit this kind of access
获取全球加密货币市场数据. It is categorised as a Read tool in the Crypto MCP MCP Server, which means it retrieves data without modifying state.
Register the Crypto MCP server in PolicyLayer and add a rule for get_global_market_data: 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 Crypto MCP. Nothing to install.
get_global_market_data 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_global_market_data 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_global_market_data. 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_global_market_data is provided by the Crypto MCP server (kiss-kedaya/crypto_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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