Get all available symbols (financial instruments) from the MetaTrader 5 terminal.
AI agents call get_symbols 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.
This tool retrieves a list of financial instruments (symbols) available for trading. It performs a simple data query with no side effects, no code execution, no data modification, and no financial transactions. The operation is read-only and returns static or semi-static reference data about available trading pairs/instruments. This is the lowest-risk category of operation on a trading platform.
From the tool's definition Tool name 'get_symbols' and description 'Get all available symbols (financial instruments) from the MetaTrader 5 terminal' indicates a retrieval operation that queries available trading instruments without modification or execution.
Attacks that exploit this kind of access
Get all available symbols (financial instruments) from the MetaTrader 5 terminal. 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 get_symbols: 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.
get_symbols 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_symbols 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_symbols. 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_symbols 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.
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