Get historical funding rate data for perpetual contracts with timestamps and rates.
AI agents call get_funding_rate_history to retrieve information from Derive MCP without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool retrieves historical funding rate data—a read-only query operation that returns past market information without modifying state, executing code, or affecting financial positions. The verb 'Get' and focus on historical data (not live trading execution) confirms it is a Read category tool.
From the tool's definition Tool name 'get_funding_rate_history' and description 'Get historical funding rate data for perpetual contracts with timestamps and rates' indicate a data retrieval operation with no side effects.
Attacks that exploit this kind of access
Get historical funding rate data for perpetual contracts with timestamps and rates. It is categorised as a Read tool in the Derive MCP MCP Server, which means it retrieves data without modifying state.
Register the Derive MCP server in PolicyLayer and add a rule for get_funding_rate_history: 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 Derive MCP. Nothing to install.
get_funding_rate_history 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_funding_rate_history 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_funding_rate_history. 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_funding_rate_history is provided by the Derive MCP server (solenyaresearch0000/derive-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
Every MCP server has a record like this.
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