calculate_greeks · IB Analytics MCP Server MCP

WHAT IT DOES

What calculate_greeks does on IB Analytics MCP Server

AI agents call calculate_greeks to retrieve information from IB Analytics MCP Server without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.

WHY IT NEEDS A POLICY

Why calculate_greeks needs a policy

Greeks calculation is a computational analysis of existing portfolio data without modification, deletion, or execution of external commands. The tool computes financial metrics from position data rather than placing trades, moving funds, or deleting information. It fits the Read category (retrieves or queries data; no side effects).

From the tool's definition Tool name 'calculate_greeks' with no description; context shows this is part of IB Analytics MCP Server focused on portfolio analysis and reporting. Greeks are standard mathematical metrics for option pricing (delta, gamma, vega, theta).

Attacks that exploit this kind of access

Questions about calculate_greeks

What does the calculate_greeks tool do? +

calculate_greeks. It is categorised as a Read tool in the IB Analytics MCP Server MCP Server, which means it retrieves data without modifying state.

How do I enforce a policy on calculate_greeks? +

Register the IB Analytics MCP Server MCP server in PolicyLayer and add a rule for calculate_greeks: 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 IB Analytics MCP Server. Nothing to install.

What risk level is calculate_greeks? +

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

Can I rate-limit calculate_greeks? +

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

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

calculate_greeks is provided by the IB Analytics MCP Server MCP server (knishioka/ib-sec-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.