cos · Math MCP Server for MacOS MCP: Risk & Policy

WHAT IT DOES

What cos does on Math MCP Server for MacOS

AI agents use cos to create or update resources in Math MCP Server for MacOS — usually the action step of a workflow, after the agent has gathered context. Every call changes real data in your Math MCP Server for MacOS environment.

WHY IT NEEDS A POLICY

Why cos needs a policy

An AI agent can call cos faster than any human can review — one bad instruction and it creates or modifies resources in Math MCP Server for MacOS by the hundred, each call as confident as the last.

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

cos Rate-limited

cos stays usable, but capped — an agent stuck in a loop can't make hundreds of changes a minute. Everything else on the server is denied unless you say otherwise.

View as policy code

policy.json

{
  "version": "1",
  "default": "deny",
  "tools": {
    "cos": {
      "limits": [
        {
          "counter": "cos_rate",
          "window": "minute",
          "max": 30,
          "scope": "grant"
        }
      ]
    }
  }
}

LIMIT THIS TOOL →

Instant setup, no code required.

PolicyLayer is an MCP gateway: every tool call is checked against your rule before it reaches Math MCP Server for MacOS, so you can run agents against it safely.

FAQ

Questions about cos

What does the cos tool do? +

cos of a number. It is categorised as a Write tool in the Math MCP Server for MacOS MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.

How do I enforce a policy on cos? +

Register the Math MCP Server for MacOS MCP server in PolicyLayer and add a rule for cos: 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 MCP Server for MacOS. Nothing to install.

What risk level is cos? +

cos is a Write tool with medium risk. Write tools should be rate-limited to prevent accidental bulk modifications.

Can I rate-limit cos? +

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

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

cos is provided by the Math MCP Server for MacOS MCP server (rohinigaonkar/mcp-math-macos). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.