Get market data for cryptocurrencies with pagination
AI agents call get_market_data to retrieve information from Crypto Tracker 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 cryptocurrency market data without side effects. The 'pagination' parameter indicates cursor-based or offset-based data fetching, a hallmark of query operations. Misuse by an AI agent poses minimal risk—at worst, excessive requests might trigger rate-limiting, but no data is modified, destroyed, or financial transactions are initiated. Classified as Read with low severity.
From the tool's definition Tool description states 'Get market data for cryptocurrencies' with pagination. No mutation verbs (create, update, delete, execute) are present.
Attacks that exploit this kind of access
Get market data for cryptocurrencies with pagination. It is categorised as a Read tool in the Crypto Tracker MCP Server MCP Server, which means it retrieves data without modifying state.
Register the Crypto Tracker MCP Server MCP server in PolicyLayer and add a rule for get_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 Tracker MCP Server. Nothing to install.
get_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_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_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_market_data is provided by the Crypto Tracker MCP Server MCP server (saqibhussain44/mcp_coingecko). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
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