Get the top cryptocurrencies ranked by market cap.
AI agents call get_top_coins to retrieve information from Integrations 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 ranking data—a read-only query with no side effects, data modification, code execution, destructive actions, or financial transactions. The blast radius of misuse is minimal since it only exposes publicly available market information. Severity is low because incorrect usage would simply return unwanted data without operational impact.
From the tool's definition Tool name 'get_top_coins' and description 'Get the top cryptocurrencies ranked by market cap' indicate a query operation that retrieves public market data without modification or execution of code.
Attacks that exploit this kind of access
Get the top cryptocurrencies ranked by market cap. It is categorised as a Read tool in the Integrations MCP MCP Server, which means it retrieves data without modifying state.
Register the Integrations MCP server in PolicyLayer and add a rule for get_top_coins: 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 Integrations MCP. Nothing to install.
get_top_coins 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_top_coins 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_top_coins. 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_top_coins is provided by the Integrations MCP server (shriram-vasudevan/integrations-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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