get_market_data

Get current market data for a symbol

SERVERMCP MetaTrader 4 Server SOURCE8nite/metatrader-4-mcp

Low RISK CLASS

Category Read

Parameters 00 required

Recommended Allowedsee the rule below

Registry record Grade F, identity unverified Pull the record →

This record as markdown: /tools/8nite-metatrader-4-mcp/get-market-data.md

WHAT IT DOES

What get_market_data does on MCP MetaTrader 4 Server

AI agents call get_market_data to retrieve information from MCP MetaTrader 4 Server without modifying anything. It is typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.

RISK

Why get_market_data is rated Low

This tool retrieves real-time or current market data (prices, quotes, etc.) for a specified financial symbol. It is a query/fetch operation that has no side effects—it does not execute trades, modify positions, delete data, or commit financial obligations. While the broader server context involves financial trading, this specific tool is purely informational and read-only in nature.

From the tool's definition Tool name 'get_market_data' combined with description 'Get current market data for a symbol' indicates a retrieval operation with no modification or execution of orders/actions.

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs get_market_data safely

PolicyLayer is an MCP gateway: it sits between your AI agents and MCP MetaTrader 4 Server, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For get_market_data, this is the rule to start with:

get_market_data Allowed

get_market_data is read-only, so it stays allowed. Everything else on the server is denied unless you say otherwise.

View as policy code

policy.json

{
  "version": "1",
  "default": "deny",
  "tools": {
    "get_market_data": {}
  }
}

ALLOW ONLY THIS TOOL → Instant setup, no code required.

The button opens the PolicyLayer dashboard: create your workspace, connect MCP MetaTrader 4 Server, apply this rule, and every get_market_data call is checked against it from then on.

FAQ

Questions about get_market_data

What does the get_market_data tool do? +

Get current market data for a symbol. It is categorised as a Read tool in the MCP MetaTrader 4 Server MCP Server, which means it retrieves data without modifying state.

How do I enforce a policy on get_market_data? +

Register the MCP MetaTrader 4 Server MCP server in PolicyLayer and add a rule for get_market_data: 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 MetaTrader 4 Server. Nothing to install.

What risk level is get_market_data? +

get_market_data is a Read tool with low risk. Read-only tools are generally safe to allow by default.

Can I rate-limit get_market_data? +

Yes. Add a rate_limit block to the get_market_data 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.

How do I block get_market_data completely? +

Set action: deny in the PolicyLayer policy for get_market_data. 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.

What MCP server provides get_market_data? +

get_market_data is provided by the MCP MetaTrader 4 Server MCP server (8nite/metatrader-4-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

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