Returns the latest market quote for 1 or more spot pairs.
AI agents call dexPairsQuotesLatest 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 current market data for DEX trading pairs. It performs a read-only query that returns information without modifying data, executing code, or engaging in financial transactions. The blast radius of misuse is minimal - an attacker could only obtain market pricing information that is already publicly available.
From the tool's definition Tool returns market quotes for cryptocurrency pairs - a retrieval operation with no side effects. Description states 'Returns the latest market quote' indicating a query/fetch operation.
Documented attack patterns abuse exactly the kind of access dexPairsQuotesLatest 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 dexPairsQuotesLatest:
{
"version": "1",
"default": "deny",
"tools": {
"dexPairsQuotesLatest": {}
}
}dexPairsQuotesLatest is read-only, so it stays allowed — but everything else on the server is denied unless you say otherwise.
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Returns the latest market quote for 1 or more spot pairs. 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 dexPairsQuotesLatest: 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.
dexPairsQuotesLatest 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 dexPairsQuotesLatest 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 dexPairsQuotesLatest. 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.
dexPairsQuotesLatest 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.