获取常见虚拟币的价格信息
AI agents call get_common_coins_prices 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 cryptocurrency price data without side effects. It performs a straightforward query operation similar to sibling tools like get_coin_price and get_coin_info. No funds are moved, no data is modified or deleted, and no external commands are executed. The action is purely informational, making it a Read category tool with low severity and high confidence.
From the tool's definition Tool name 'get_common_coins_prices' and description '获取常见虚拟币的价格信息' (retrieve common virtual currency price information) indicate data retrieval with no modification, deletion, or execution capabilities.
Attacks that exploit this kind of access
获取常见虚拟币的价格信息. 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_common_coins_prices: 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_common_coins_prices 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_common_coins_prices 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_common_coins_prices. 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_common_coins_prices 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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