Get options chain data for a stock including all available calls and puts with strikes, premiums, volume, open interest, and implied volatility. Useful for analyzing available options contracts and their prices.
AI agents call get_options_chain to retrieve information from Mcp Financex without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool performs data retrieval and querying of publicly available options contract information. While it operates in a financial context, it does not execute transactions, move money, or commit financial obligations. The most severe category applicable is Read, as the tool has no capability to create, modify, delete, or execute any trades or financial operations - it only provides information for analysis.
From the tool's definition Tool retrieves options chain data including 'strikes, premiums, volume, open interest, and implied volatility' - all read-only market data queries with no side effects.
Attacks that exploit this kind of access
Get options chain data for a stock including all available calls and puts with strikes, premiums, volume, open interest, and implied volatility. Useful for analyzing available options contracts and their prices. It is categorised as a Read tool in the Mcp Financex MCP Server, which means it retrieves data without modifying state.
Register the Mcp Financex MCP server in PolicyLayer and add a rule for get_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 Mcp Financex. Nothing to install.
get_options_chain 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_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.
Set action: deny in the PolicyLayer policy for get_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.
get_options_chain is provided by the Mcp Financex MCP server (xerktech/mcp-financex). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
Every MCP server has a record like this.
Type a name, get the same breakdown: verified identity, auth posture, risk grade, capabilities, recommended policy.
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