Pmean

Calculate mean pressure between inlet and outlet

SERVEREngScript Engineering MCP SOURCEhttps://engscript.com/mcp

Low RISK CLASS

Category Other

Parameters 43 required

Recommended Rate-limitedsee the rule below

Registry record Grade F, identity unverified Pull the record →

This record as markdown: /tools/com-engscript-mcp/pmean.md

WHAT IT DOES

What Pmean does on EngScript Engineering MCP

AI agents call Pmean as a supporting operation in EngScript Engineering MCP workflows.

Parameter	Type	Required	Description
`P1`	object	Yes	Inlet pressure
`P2`	object	Yes	Outlet pressure
`Fluid`	object	Yes	Fluid type (gas or liquid)
`Pmean_unit`	string	—	Output mean pressure unit

Parameters from the server's own tool schema.

RISK

Why Pmean is rated Low

Without any rule in front of it, every call an agent makes to Pmean happens silently: no trail, no cap, no way to know it misbehaved until something breaks downstream.

Risk signalsHigh parameter count (10 properties)

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs Pmean safely

PolicyLayer is an MCP gateway: it sits between your AI agents and EngScript Engineering MCP, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For Pmean, this is the rule to start with:

Pmean Rate-limited

Pmean gets a rate cap, and everything else on the server is denied unless you say otherwise.

View as policy code

policy.json

{
  "version": "1",
  "default": "deny",
  "tools": {
    "Pmean": {
      "limits": [
        {
          "counter": "pmean_rate",
          "window": "minute",
          "max": 60,
          "scope": "grant"
        }
      ]
    }
  }
}

SET A RULE FOR THIS TOOL → Instant setup, no code required.

The button opens the PolicyLayer dashboard: create your workspace, connect EngScript Engineering MCP, apply this rule, and every Pmean call is checked against it from then on.

FAQ

Questions about Pmean

What does the Pmean tool do? +

Calculate mean pressure between inlet and outlet. It is categorised as a Other tool in the EngScript Engineering MCP MCP Server, which means it performs auxiliary operations.

What parameters does Pmean accept? +

Pmean accepts 4 parameters: P1, P2, Fluid, Pmean_unit. Required: P1, P2, Fluid. The full parameter table on this page comes from the server's own tool schema.

How do I enforce a policy on Pmean? +

Register the EngScript Engineering MCP server in PolicyLayer and add a rule for Pmean: 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 EngScript Engineering MCP. Nothing to install.

What risk level is Pmean? +

Pmean is a Other tool with low risk. Read-only tools are generally safe to allow by default.

Can I rate-limit Pmean? +

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

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

Pmean is provided by the EngScript Engineering MCP server (https://engscript.com/mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

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