copy_rates_from_date
AI agents call copy_rates_from_date to retrieve information from MetaTrader 5 MCP Server without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
Based on naming conventions consistent with MetaTrader 5's CopyRates family of functions, this tool retrieves historical OHLCV (rate) data starting from a specified date. It is a read-only data fetch operation with no side effects. Confidence is slightly reduced due to the empty description.
From the tool's definition Tool name 'copy_rates_from_date' — sibling tools include copy_rates_from_pos, copy_rates_range, which are all data retrieval functions for market rate/price history. Description is empty.
Attacks that exploit this kind of access
copy_rates_from_date. It is categorised as a Read tool in the MetaTrader 5 MCP Server MCP Server, which means it retrieves data without modifying state.
Register the MetaTrader 5 MCP 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 MetaTrader 5 MCP 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 MetaTrader 5 MCP Server MCP server (sameerasulakshana/mcpmt5). 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.
Type a name, get the same breakdown: verified identity, auth posture, risk grade, capabilities, recommended policy.
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