获取虚拟币的合约市场信息 (Coinglass API)
AI agents call get_coin_info 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 contract market information for virtual currencies—a read-only operation with no side effects. It queries existing data without creating, modifying, deleting, or executing any external operations. All sibling tools (get_coin_detail, get_coin_price, get_kline_data, etc.) are similarly read-only query functions.
From the tool's definition Tool name 'get_coin_info' and description '获取虚拟币的合约市场信息' (Get virtual currency contract market information) indicate retrieval of cryptocurrency market data without modification. The Coinglass API reference confirms this is a data query service.
Attacks that exploit this kind of access
获取虚拟币的合约市场信息 (Coinglass API). 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_coin_info: 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_coin_info 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_coin_info 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_coin_info. 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_coin_info 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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