Return historical news headlines for a contract.
AI agents call ibkr_get_historical_news to retrieve information from Ibkr without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool retrieves historical news data associated with a financial contract. It performs a read-only query operation that returns information without creating, modifying, deleting, or executing any actions. The blast radius of misuse is minimal—an agent could retrieve news headlines but cannot affect account positions, orders, or financial obligations. This is a straightforward Read category tool.
From the tool's definition The tool is named 'ibkr_get_historical_news' and described as 'Return historical news headlines for a contract.' The verb 'Return' and 'get' indicate data retrieval with no modification or side effects.
Documented attack patterns abuse exactly the kind of access ibkr_get_historical_news gives an agent:
PolicyLayer is an MCP gateway — it sits between your AI agents and Ibkr, and nothing reaches the server without passing your rules. This is the rule we recommend for ibkr_get_historical_news:
{
"version": "1",
"default": "deny",
"tools": {
"ibkr_get_historical_news": {}
}
}ibkr_get_historical_news is read-only, so it stays allowed — but everything else on the server is denied unless you say otherwise.
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Return historical news headlines for a contract. It is categorised as a Read tool in the Ibkr MCP Server, which means it retrieves data without modifying state.
Register the Ibkr MCP server in PolicyLayer and add a rule for ibkr_get_historical_news: 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 Ibkr. Nothing to install.
ibkr_get_historical_news 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 ibkr_get_historical_news 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 ibkr_get_historical_news. 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.
ibkr_get_historical_news is provided by the Ibkr MCP server (patrickpxp/ibkr-mcp-server). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
Start from Ibkr, add the rest of your stack, and see everything your agents can call. Then put policy on all of it.
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33 Ibkr tools catalogued and risk-classified — across an index of 43,000+ MCP servers.