ORIFICELIQ

Liquid orifice sizing / differential pressure / flow rate calculation based on ISO 5167 orifice. Exactly ONE of [M, dP, D2] must be set to '?' — that variable will be calculated.

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

Medium RISK CLASS

Category Write

Parameters 77 required

Recommended Rate-limitedsee the rule below

Registry record Grade F, identity unverified Pull the record →

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

WHAT IT DOES

What ORIFICELIQ does on EngScript Engineering MCP

AI agents use ORIFICELIQ to create or update resources in EngScript Engineering MCP, usually the action step of a workflow, after the agent has gathered context. Every call changes real data in your EngScript Engineering MCP environment.

Parameter	Type	Required	Description
`M`	object	Yes	Liquid mass flow rate. Set value='?' to calculate.
`D1`	object	Yes	Pipe inside diameter
`D2`	object	Yes	Orifice bore diameter. Set value='?' to calculate.
`P1`	object	Yes	Upstream (operating) pressure
`dP`	object	Yes	Differential pressure across orifice. Set value='?' to calculate.
`mu`	object	Yes	Dynamic viscosity
`rho`	object	Yes	Fluid density

Parameters from the server's own tool schema.

RISK

Why ORIFICELIQ is rated Medium

An AI agent can call ORIFICELIQ faster than any human can review: one bad instruction and it creates or modifies resources in EngScript Engineering MCP by the hundred, each call as confident as the last.

Risk signalsHigh parameter count (21 properties)

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs ORIFICELIQ 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 ORIFICELIQ, this is the rule to start with:

ORIFICELIQ Rate-limited

ORIFICELIQ 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": {
    "ORIFICELIQ": {
      "limits": [
        {
          "counter": "orificeliq_rate",
          "window": "minute",
          "max": 30,
          "scope": "grant"
        }
      ]
    }
  }
}

LIMIT 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 ORIFICELIQ call is checked against it from then on.

FAQ

Questions about ORIFICELIQ

What does the ORIFICELIQ tool do? +

Liquid orifice sizing / differential pressure / flow rate calculation based on ISO 5167 orifice. Exactly ONE of [M, dP, D2] must be set to '?' — that variable will be calculated. It is categorised as a Write tool in the EngScript Engineering MCP MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.

What parameters does ORIFICELIQ accept? +

ORIFICELIQ accepts 7 parameters: M, D1, D2, P1, dP, mu, rho. Required: M, D1, D2, P1, dP, mu, rho. The full parameter table on this page comes from the server's own tool schema.

How do I enforce a policy on ORIFICELIQ? +

Register the EngScript Engineering MCP server in PolicyLayer and add a rule for ORIFICELIQ: 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 ORIFICELIQ? +

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

Can I rate-limit ORIFICELIQ? +

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

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

ORIFICELIQ 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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