Returns all market pairs for the specified exchange with associated stats.
AI agents call exchangeMarketPairsLatest 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 fetches cryptocurrency exchange market pair data from the CoinMarketCap API. It performs a read-only retrieval of existing data with no side effects, no code execution, no data modification, and no financial transactions. The only input is the exchange identifier, and the output is informational market statistics.
From the tool's definition Tool name and description indicate it 'Returns all market pairs for the specified exchange with associated stats' — a query operation that retrieves and presents data without modification, deletion, or execution of code.
Documented attack patterns abuse exactly the kind of access exchangeMarketPairsLatest 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 exchangeMarketPairsLatest:
{
"version": "1",
"default": "deny",
"tools": {
"exchangeMarketPairsLatest": {}
}
}exchangeMarketPairsLatest is read-only, so it stays allowed — but everything else on the server is denied unless you say otherwise.
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Returns all market pairs for the specified exchange with associated stats. 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 exchangeMarketPairsLatest: 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.
exchangeMarketPairsLatest 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 exchangeMarketPairsLatest 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 exchangeMarketPairsLatest. 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.
exchangeMarketPairsLatest 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.
Free to start. No card required.
51 CoinMarketCap MCP tools catalogued and risk-classified — across an index of 42,500+ MCP servers.