Returns a paginated list of all exchanges with latest market data.
AI agents call exchangeListingsLatest to retrieve information from CoinMarketCap MCP without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool retrieves public cryptocurrency exchange market data without creating, modifying, deleting, or executing operations. It has no side effects and poses minimal risk if accessed by an AI agent, as it only provides informational data. The impact is limited to unauthorized data access rather than system compromise or financial harm.
From the tool's definition Tool 'exchangeListingsLatest' returns a paginated list of exchange data with no modification capability. Description explicitly states 'Returns' data, indicating query/retrieval operation.
Documented attack patterns abuse exactly the kind of access exchangeListingsLatest gives an agent:
PolicyLayer is an MCP gateway — it sits between your AI agents and CoinMarketCap MCP, and nothing reaches the server without passing your rules. This is the rule we recommend for exchangeListingsLatest:
{
"version": "1",
"default": "deny",
"tools": {
"exchangeListingsLatest": {}
}
}exchangeListingsLatest is read-only, so it stays allowed — but everything else on the server is denied unless you say otherwise.
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Returns a paginated list of all exchanges with latest market data. It is categorised as a Read tool in the CoinMarketCap MCP MCP Server, which means it retrieves data without modifying state.
Register the CoinMarketCap MCP server in PolicyLayer and add a rule for exchangeListingsLatest: 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 CoinMarketCap MCP. Nothing to install.
exchangeListingsLatest 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 exchangeListingsLatest 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 exchangeListingsLatest. 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.
exchangeListingsLatest is provided by the CoinMarketCap MCP server (shinzo-labs/coinmarketcap-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
Deterministic rules across all 51 CoinMarketCap MCP tools. Per-identity grants. Full audit log. Live in minutes. Nothing to install.
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51 CoinMarketCap MCP tools catalogued and risk-classified — across an index of 42,500+ MCP servers.