copy_rates_range
AI agents call copy_rates_range 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.
The naming pattern strongly implies this tool retrieves historical OHLCV (candlestick) rate data for a specified date/position range from MetaTrader 5, consistent with its siblings. No side effects expected. Description is empty, so confidence is slightly reduced, but the pattern is clear.
From the tool's definition Tool name 'copy_rates_range' alongside sibling tools 'copy_rates_from_date', 'copy_rates_from_pos' suggest retrieving historical rate/price data over a range; description is empty
Attacks that exploit this kind of access
copy_rates_range. 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_range: 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_range 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_range 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_range. 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_range 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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