calc_black_scholes_speed
AI agents call calc_black_scholes_speed 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.
This tool performs a read-only mathematical computation without modifying data, executing external commands, or triggering financial transactions. It retrieves a calculated value based on inputs. While the Black-Scholes model is used in finance, the tool itself merely computes a derivative metric (speed) and does not commit financial obligations, execute trades, or modify any systems.
From the tool's definition Tool name 'calc_black_scholes_speed' and server context indicate pure mathematical calculation of the Black-Scholes 'speed' Greek (third derivative of option price with respect to asset price).
Attacks that exploit this kind of access
calc_black_scholes_speed. 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_speed: 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_speed 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_speed 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_speed. 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_speed 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.
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