binomial_variate
AI agents call binomial_variate to retrieve information from FortunaMCP without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool appears to retrieve/generate random numerical values based on binomial distribution parameters, with no capacity to modify, delete, or execute external operations. It is a read-only mathematical computation tool. The empty description lowers confidence slightly, but the context from the server and sibling tools strongly indicates this is a stateless random value generator, a fundamental Read operation.
From the tool's definition Tool name 'binomial_variate' indicates it generates random values from a binomial distribution. The server description emphasizes 'generating high-quality random values' with no mention of side effects, data modification, or external operations.
Attacks that exploit this kind of access
binomial_variate. It is categorised as a Read tool in the FortunaMCP MCP Server, which means it retrieves data without modifying state.
Register the Fortuna MCP server in PolicyLayer and add a rule for binomial_variate: 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 FortunaMCP. Nothing to install.
binomial_variate 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 binomial_variate 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 binomial_variate. 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.
binomial_variate is provided by the Fortuna MCP server (siliconsociety/fortunamcp). 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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