get_coin_market_data
AI agents call get_coin_market_data 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.
The tool appears to fetch cryptocurrency market data (prices, volumes, etc.) from a public API. This is a read-only operation with no side effects—it retrieves data without creating, modifying, or deleting anything. No financial transactions occur (no money moves). Severity is low because misuse would merely return incorrect or irrelevant market data to an AI agent, with minimal blast radius.
From the tool's definition Tool name 'get_coin_market_data' indicates a retrieval operation. The verb 'get' and noun 'market_data' suggest querying financial market information without modification. Description is empty, reducing confidence slightly.
Attacks that exploit this kind of access
get_coin_market_data. 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_coin_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 Integrations MCP. Nothing to install.
get_coin_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_coin_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_coin_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_coin_market_data 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.
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