options_chain

A read tool on the MetaTrader5 MCP server.

SERVERMetaTrader5 MCP Server SOURCEemerzon/mt-data-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/emerzon-mt-data-mcp/options-chain.md

WHAT IT DOES

What options_chain does on MetaTrader5 MCP Server

AI agents call options_chain to retrieve information from MetaTrader5 MCP 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 options_chain is rated Low

Options chain data is typically a read-only query for available options contracts and their parameters (strike prices, expirations, Greeks, etc.). This aligns with the server's stated purpose of providing market data access without executing trades or modifying positions. No mention of execution, modification, or deletion capabilities.

From the tool's definition Tool name 'options_chain' on a MetaTrader5 server suggests retrieval of options contract data (chains). The server description emphasizes 'market data' access including 'real-time quotes' and 'historical...data'.

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs options_chain safely

PolicyLayer is an MCP gateway: it sits between your AI agents and MetaTrader5 MCP Server, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For options_chain, this is the rule to start with:

options_chain Allowed

options_chain 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": {
    "options_chain": {}
  }
}

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

The button opens the PolicyLayer dashboard: create your workspace, connect MetaTrader5 MCP Server, apply this rule, and every options_chain call is checked against it from then on.

FAQ

Questions about options_chain

What does the options_chain tool do? +

options_chain is a read tool on the MetaTrader5 MCP Server MCP server. It is categorised as a Read tool in the MetaTrader5 MCP Server MCP Server, which means it retrieves data without modifying state.

How do I enforce a policy on options_chain? +

Register the MetaTrader5 MCP Server MCP server in PolicyLayer and add a rule for options_chain: 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 MetaTrader5 MCP Server. Nothing to install.

What risk level is options_chain? +

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

Can I rate-limit options_chain? +

Yes. Add a rate_limit block to the options_chain 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 options_chain completely? +

Set action: deny in the PolicyLayer policy for options_chain. 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 options_chain? +

options_chain is provided by the MetaTrader5 MCP Server MCP server (emerzon/mt-data-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

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