calc_black_scholes_veta
AI agents call calc_black_scholes_veta to retrieve information from Black-Scholes MCP Server without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
Veta is a second-order option Greek (the rate of change of Vega with respect to time). All sibling tools are pure mathematical calculations with no side effects. This tool almost certainly performs a local computation and returns a numeric result, making it a Read/query operation. The empty description lowers confidence slightly.
From the tool's definition Tool name 'calc_black_scholes_veta' on a server described as enabling 'calculation of European option prices and Greeks using the Black-Scholes model'; sibling tools follow the same 'calc_black_scholes_*' pattern for Greeks (delta, gamma, theta, vega, etc.)
Attacks that exploit this kind of access
calc_black_scholes_veta. It is categorised as a Read tool in the Black-Scholes MCP Server MCP Server, which means it retrieves data without modifying state.
Register the Black-Scholes MCP Server MCP server in PolicyLayer and add a rule for calc_black_scholes_veta: 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 Black-Scholes MCP Server. Nothing to install.
calc_black_scholes_veta 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 calc_black_scholes_veta 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 calc_black_scholes_veta. 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.
calc_black_scholes_veta is provided by the Black-Scholes MCP Server MCP server (walkingshamrock/black-scholes-mcp). 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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