Fetches the current or historical funding rate for a perpetual futures contract symbol.
AI agents call fetch_funding_rate to retrieve information from CCXT MCP Server without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool only retrieves market data (funding rates) from the exchange. It performs no writes, executions, deletions, or financial transactions. Even in the context of a trading platform, querying funding rate information is a read-only operation that cannot harm the user or their account. The low severity reflects minimal blast radius if misused by an AI agent.
From the tool's definition Tool name includes 'fetch' and description states 'Fetches the current or historical funding rate' - a pure data retrieval operation with no side effects on account, positions, or funds.
Documented attack patterns abuse exactly the kind of access fetch_funding_rate gives an agent:
PolicyLayer is an MCP gateway — it sits between your AI agents and CCXT MCP Server, and nothing reaches the server without passing your rules. This is the rule we recommend for fetch_funding_rate:
{
"version": "1",
"default": "deny",
"tools": {
"fetch_funding_rate": {}
}
}fetch_funding_rate is read-only, so it stays allowed — but everything else on the server is denied unless you say otherwise.
Free to start. No card required.
Fetches the current or historical funding rate for a perpetual futures contract symbol. It is categorised as a Read tool in the CCXT MCP Server MCP Server, which means it retrieves data without modifying state.
Register the CCXT MCP Server MCP server in PolicyLayer and add a rule for fetch_funding_rate: 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 CCXT MCP Server. Nothing to install.
fetch_funding_rate 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 fetch_funding_rate 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 fetch_funding_rate. 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.
fetch_funding_rate is provided by the CCXT MCP Server MCP server (jcwleo/ccxt-mcp-server). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
Start from CCXT MCP Server, add the rest of your stack, and see everything your agents can call. Then put policy on all of it.
Free to start. No card required.
19 CCXT MCP Server tools catalogued and risk-classified — across an index of 43,000+ MCP servers.