Get real-time prices for specified coins or all portfolio coins
AI agents call get_current_prices to retrieve information from Crypto Portfolio MCP Server without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool retrieves real-time market data without any side effects, state changes, or code execution. It is a straightforward query operation consistent with portfolio analytics. Even if an agent misuses it by querying frequently, the blast radius is minimal (no financial transactions, data loss, or external actions triggered). Severity is low because read-only operations on public market data pose minimal risk.
From the tool's definition Tool name is 'get_current_prices' and description states 'Get real-time prices for specified coins or all portfolio coins' — a pure retrieval operation with no modification or execution of external systems.
Attacks that exploit this kind of access
Get real-time prices for specified coins or all portfolio coins. It is categorised as a Read tool in the Crypto Portfolio MCP Server MCP Server, which means it retrieves data without modifying state.
Register the Crypto Portfolio MCP Server MCP server in PolicyLayer and add a rule for get_current_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 Portfolio MCP Server. Nothing to install.
get_current_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_current_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_current_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_current_prices is provided by the Crypto Portfolio MCP Server MCP server (lev-corrupted/cryptoportfoliomcpserver). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
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