get_symbol_info

Get information about a specific symbol.

SERVERMCP Trader Server SOURCEaf7007/mcp-trader

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/af7007-mcp-trader/get-symbol-info.md

WHAT IT DOES

What get_symbol_info does on MCP Trader Server

AI agents call get_symbol_info to retrieve information from MCP Trader 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_symbol_info is rated Low

This tool retrieves information about trading symbols (likely price, spread, contract specifications, etc.) without modifying, executing trades, or affecting positions. It has no capability to move money, execute orders, or change system state. Classification as Read is appropriate with low severity due to minimal security risk from information retrieval alone.

From the tool's definition Tool name 'get_symbol_info' and description 'Get information about a specific symbol' indicate retrieval of market data with no side effects. This is a read-only operation querying symbol metadata.

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs get_symbol_info safely

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

get_symbol_info Allowed

get_symbol_info 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_symbol_info": {}
  }
}

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

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

FAQ

Questions about get_symbol_info

What does the get_symbol_info tool do? +

Get information about a specific symbol. It is categorised as a Read tool in the MCP Trader Server MCP Server, which means it retrieves data without modifying state.

How do I enforce a policy on get_symbol_info? +

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

What risk level is get_symbol_info? +

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

Can I rate-limit get_symbol_info? +

Yes. Add a rate_limit block to the get_symbol_info 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_symbol_info completely? +

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

get_symbol_info is provided by the MCP Trader Server MCP server (af7007/mcp-trader). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

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