copy_rates_from_date
A read tool on the MCP Trader MCP server.
This record as markdown: /tools/af7007-mcp-trader/copy-rates-from-date.md
What copy_rates_from_date does on MCP Trader Server
AI agents call copy_rates_from_date to retrieve information from MCP Trader Server without modifying anything. It is typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
Why copy_rates_from_date is rated Low
The name follows MetaTrader 5 naming conventions for data retrieval functions (CopyRatesFromDate), which fetch historical market data without side effects. Description is empty, so confidence is reduced, but the name strongly implies a read-only data retrieval operation. Severity is medium because market data could inform financial decisions, though the tool itself does not execute trades.
From the tool's definition Tool name 'copy_rates_from_date' suggests retrieving historical rate/price data from a specific date, consistent with MetaTrader 5's CopyRates function family which reads OHLCV bar data.
Attacks that exploit this kind of access
The rule that runs copy_rates_from_date safely
PolicyLayer is an MCP gateway: it sits between your AI agents and MCP Trader Server, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For copy_rates_from_date, this is the rule to start with:
copy_rates_from_date is read-only, so it stays allowed. Everything else on the server is denied unless you say otherwise.
The button opens the PolicyLayer dashboard: create your workspace, connect MCP Trader Server, apply this rule, and every copy_rates_from_date call is checked against it from then on.
Questions about copy_rates_from_date
copy_rates_from_date is a read tool on the MCP Trader Server MCP server. It is categorised as a Read tool in the MCP Trader Server MCP Server, which means it retrieves data without modifying state.
Register the MCP Trader Server MCP server in PolicyLayer and add a rule for copy_rates_from_date: 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 MCP Trader Server. Nothing to install.
copy_rates_from_date 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 copy_rates_from_date 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 copy_rates_from_date. 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.
copy_rates_from_date is provided by the MCP Trader Server MCP server (af7007/mcp-trader). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
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