计算中位数
AI agents call median to retrieve information from Math Calculation MCP Server without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
The median function is a pure mathematical computation that reads input data and returns a statistical result without side effects. It does not create, modify, delete, or execute external operations. This is a straightforward Read operation typical of a math library.
From the tool's definition Tool name 'median' with description '计算中位数' (Calculate median) — a statistical function that computes the middle value of a dataset. No modification, deletion, execution of external code, or financial operations occur.
Attacks that exploit this kind of access
计算中位数. It is categorised as a Read tool in the Math Calculation MCP Server MCP Server, which means it retrieves data without modifying state.
Register the Math Calculation MCP Server MCP server in PolicyLayer and add a rule for median: 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 Math Calculation MCP Server. Nothing to install.
median 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 median 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 median. 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.
median is provided by the Math Calculation MCP Server MCP server (k-summer/math_mcps). 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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