Name: EngScript Engineering
Author: engscript

EngScript Engineering MCP

Engineering calculation MCP server for oil and gas engineering applications.

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Engineering calculation MCP server for oil and gas engineering applications.

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Primary thermodynamic property calculator. Use this tool first for all mixture property calculations. Supports hydrocarbons and non-hydrocarbon chemicals (PR EOS flash calculation).

Parameter	Type	Required	Notes
HC	array	yes	Component list. Supported formulas or names: H2(hydrogen), CH4(methane), C2H2(acetylene), C2H4(ethylene), C2H6(ethane),C3H4(propadiene), C3H6(propene), C3H8(propane), C4H8(isobutylene), C4H10(n-butane
mole	array	yes	Mole fractions or mole amounts corresponding to HC. Automatically normalized.
P	object	yes	Pressure
T	object	yes	Temperature
Tbub_unit	string	no	Bubble point Tbub unit
Tdew_unit	string	no	Dew point Tdew unit
MW_unit	string	no	Molecular weight unit
H_unit	string	no	Enthalpy unit
S_unit	string	no	Entropy unit
U_unit	string	no	Internal energy U unit
Cp_unit	string	no	Heat capacity Cp unit
Cv_unit	string	no	Heat capacity Cv unit
rho_unit	string	no	Density unit
mu_unit	string	no	Viscosity mu unit
k_unit	string	no	Thermal conductivity k unit

Calculate thermodynamic properties of hydrocarbon mixture. Supports hydrocarbons and non-hydrocarbon chemicals (PR EOS flash calculation).

Parameter	Type	Required	Notes
HC	array	yes	List of component formula strings. Supported: H2, CH4, C2H2, C2H4, C2H6, C3H4, C3H6, C3H8, C4H8, C4H10, C5H12, C6H14, C7H16, C8H18, C9H20, C10H22, C6H6, C7H8, C8H10, C5H12O, Air, Ar, N2, O2, CO, CO2,
mole	array	yes	Mole fraction list corresponding to HC, e.g. [0.85, 0.10, 0.03, 0.02]
P	object	yes	Pressure
T	object	yes	Temperature
Tbub_unit	string	no	Bubble point temperature unit
Tdew_unit	string	no	Dew point temperature unit
H_unit	string	no	Enthalpy unit
S_unit	string	no	Entropy unit
Cp_unit	string	no	Cp unit
Cv_unit	string	no	Cv unit
rho_unit	string	no	Density unit

Calculate thermodynamic and transport properties of steam based on IAPWS

Parameter	Type	Required	Notes
P	object	yes	Pressure
T	object	yes	Temperature
Psat_unit	string	no	Saturation pressure unit
Tsat_unit	string	no	Saturation temperature unit
H_unit	string	no	Enthalpy unit
S_unit	string	no	Entropy unit
rho_unit	string	no	Density unit
U_unit	string	no	Internal energy unit
mu_unit	string	no	Viscosity unit
k_unit	string	no	Thermal conductivity unit
Cp_unit	string	no	Cp unit
Cv_unit	string	no	Cv unit

Psychrometric properties of moist air

Parameter	Type	Required	Notes
BP	object	yes	—
DB	object	yes	—
WB	object	no	—
DP	object	no	—
RH	object	no	—
WB_unit	string	no	Wet bulb temperature output unit
DP_unit	string	no	Dew point temperature output unit
H_unit	string	no	Enthalpy output unit (HDA/HWA)
rho_unit	string	no	Density output unit (DDA/DWA)
V_unit	string	no	Specific volume unit (VDA/VWA)

Calculate MW, LHV and HHV of fuel gas from composition

Parameter	Type	Required	Notes
HC	array	yes	List of fuel component formula strings, e.g. ['CH4', 'C2H6', 'H2', 'N2']
mole	array	yes	Mole fraction list corresponding to HC, e.g. [0.90, 0.05, 0.03, 0.02]
MW_unit	string	no	MW output unit
LHV_unit	string	no	LHV output unit
HHV_unit	string	no	HHV output unit

Calculate enthalpy of flue gas from composition

Parameter	Type	Required	Notes
HC	array	yes	List of fuel component formula strings, e.g. ['CH4', 'C2H6', 'N2']
mole	array	yes	Mole fraction list corresponding to HC, e.g. [0.90, 0.05, 0.05]
Tb	object	yes	Base temperature
Tg	object	yes	Flue gas temperature
MW_unit	string	no	MW output unit
Cp_unit	string	no	Cp output unit
dH_unit	string	no	Enthalpy output unit

Calculate CO2 emission conversion factor from gas composition

Parameter	Type	Required	Notes
HC	array	yes	List of fuel component formula strings, e.g. ['CH4', 'C3H8', 'N2', 'CO2']
mole	array	yes	Mole fraction list corresponding to HC, e.g. [0.88, 0.05, 0.04, 0.03]
ECF_unit	string	no	Emission factor output unit

Calculate refrigerant thermodynamic properties using CoolProp. Provide Fluid name and any 2 state variables from: T, P, rho, H, S, U. Returns all remaining properties: T, P, rho, H, S, U, Cp, Cv, viscosity, conductivity, molecular weight.

Parameter	Type	Required	Notes
Fluid	object	yes	Refrigerant name. Supported: R134a, R22, R32, R410A, R407C, R1234yf, R1234ze(E), Ammonia(=NH3), CarbonDioxide(=CO2)
T	object	no	Temperature (INPUT if known). Units: K, C, F
P	object	no	Pressure (INPUT if known). Units: Pa, kPa, MPa, bar, psi
H	object	no	Specific Enthalpy (INPUT if known). Units: J/kg, kJ/kg
S	object	no	Specific Entropy (INPUT if known). Units: J/kg-K, kJ/kg-K
U	object	no	Specific Internal Energy (INPUT if known). Units: J/kg, kJ/kg
rho	object	no	Density (INPUT if known). Units: kg/m3
T_unit	string	no	Desired Temperature output unit
P_unit	string	no	Desired Pressure output unit
M_unit	string	no	Desired Molecular Weight output unit
H_unit	string	no	Desired Enthalpy output unit
S_unit	string	no	Desired Entropy output unit
U_unit	string	no	Desired Internal Energy unit
C_unit	string	no	Desired Cp output unit
O_unit	string	no	Desired Cv output unit
rho_unit	string	no	Desired Density output unit
V_unit	string	no	Desired Viscosity output unit
L_unit	string	no	Desired Conductivity output unit

Calculate gas molar volume using equation of state

Parameter	Type	Required	Notes
P	object	yes	Pressure
T	object	yes	Temperature
V_unit	string	no	Output molar volume unit

Convert mass flow rate to volumetric flow rate at standard condition

Parameter	Type	Required	Notes
M	object	yes	Mass flow rate
MW	object	yes	Molecular weight
V_unit	string	no	Output gas volume flow unit

Convert volumetric flow rate to mass flow rate at standard condition and normal condition Sm3/hr, Nm3/hr, SCFH

Parameter	Type	Required	Notes
V	object	yes	Volumetric flow rate
MW	object	yes	Molecular weight
M_unit	string	no	Output mass flow unit

Calculate mean pressure between inlet and outlet

Parameter	Type	Required	Notes
Fluid	object	yes	Fluid type (gas or liquid)
P1	object	yes	Inlet pressure
P2	object	yes	Outlet pressure
Pmean_unit	string	no	Output mean pressure unit

Calculate Darcy friction factor based on Reynolds number and pipe roughness

Parameter	Type	Required	Notes
Piping	object	yes	Pipe material
D	object	yes	Pipe inside diameter
Re	object	yes	Reynolds number

Calculate steam leak mass flow and flow condition (CHOKED / SUBCRITICAL) based on upstream and downstream conditions

Parameter	Type	Required	Notes
P1	object	yes	Upstream Pressure
P2	object	yes	Downstream Pressure
T1	object	yes	Upstream Temperature
T2	object	yes	Downstream Temperature
h	object	yes	Pin-hole Diameter
Cd	object	no	Discharge coefficient (default: 0.80)
M_unit	string	no	Output mass flow unit

Calculate mass flow from pin-hole on the steam piping

Parameter	Type	Required	Notes
P	object	yes	Pressure
T	object	yes	Temperature
h	object	yes	pin-hole D
Cd	object	no	Discharge coefficient (default: 0.80)
M_unit	string	no	Output mass flow unit

Calculate optimal pipe insulation thickness to limit outer surface temperature (burn protection) and minimise heat loss. Uses cylindrical heat conduction + external convection model, solved via scipy.optimize.brentq. Returns exact minimum thickness and nearest commercial 5 mm step.

Parameter	Type	Required	Notes
NPS	object	yes	Nominal Pipe Size in inches (ASME B36.10).
Tf	object	yes	Fluid / pipe outer surface temperature
Ta	object	yes	Ambient (outdoor) temperature
Tmax	object	yes	Maximum allowable insulation outer surface temperature (burn-prevention limit = 50 °C per EN ISO 13732-1)
kins	object	yes	Insulation thermal conductivity
ha	object	yes	External (air-side) convection coefficient
Dpipe_unit	string	no	Desired Pipe OD output unit
tins_unit	string	no	Desired Insulation thickness output unit
r2_unit	string	no	Desired Pipe outer radius output unit
r3_unit	string	no	Desired Insulation outer radius output unit
Tsurf_unit	string	no	Desired Surface temperature output unit
Qloss_unit	string	no	Desired Heat loss output unit

Calculate steam pipe sizing: pipe diameter, velocity, pressure drop

Parameter	Type	Required	Notes
P	object	yes	Steam pressure
T	object	yes	Steam temperature
M	object	yes	Steam mass flow rate
L	object	yes	Pipe length
D_unit	string	no	Output pipe diameter unit
u_unit	string	no	Output velocity unit
dP_unit	string	no	Output pressure drop unit
rho_unit	string	no	Output density unit

Calculate water pipe sizing: pipe diameter, velocity, pressure drop

Parameter	Type	Required	Notes
P	object	yes	Water pressure
T	object	yes	Water temperature
M	object	yes	Water mass flow rate
L	object	yes	Pipe length
D_unit	string	no	Output pipe diameter unit
u_unit	string	no	Output velocity unit
dP_unit	string	no	Output pressure drop unit
rho_unit	string	no	Output density unit

Calculate compressed air pipe sizing: pipe diameter, velocity, pressure drop

Parameter	Type	Required	Notes
P	object	yes	Compressed air pressure
T	object	yes	Compressed air temperature
M	object	yes	Compressed air mass flow rate
L	object	yes	Pipe length
D_unit	string	no	Output pipe diameter unit
u_unit	string	no	Output velocity unit
dP_unit	string	no	Output pressure drop unit
rho_unit	string	no	Output density unit

Calculate nitrogen pipe sizing: pipe diameter, velocity, pressure drop

Parameter	Type	Required	Notes
P	object	yes	Nitrogen pressure
T	object	yes	Nitrogen temperature
M	object	yes	Nitrogen mass flow rate
L	object	yes	Pipe length
D_unit	string	no	Output pipe diameter unit
u_unit	string	no	Output velocity unit
dP_unit	string	no	Output pressure drop unit
rho_unit	string	no	Output density unit

Calculate isothermal gas pipe flow: density, volumetric flow rate, mass flow rate from pressure drop

Parameter	Type	Required	Notes
P1	object	yes	Upstream (inlet) pressure
P2	object	yes	Downstream (outlet) pressure
T	object	yes	Gas temperature
L	object	yes	Pipe length
D	object	yes	Pipe inside diameter
MW	object	yes	Gas molecular weight
rho_unit	string	no	Output density unit
Q_unit	string	no	Output volumetric flow unit (normal conditions)
M_unit	string	no	Output mass flow unit

Calculate liquid pipe flow: volumetric flow rate and mass flow rate from pressure drop

Parameter	Type	Required	Notes
P1	object	yes	Upstream (inlet) pressure
P2	object	yes	Downstream (outlet) pressure
L	object	yes	Pipe length
D	object	yes	Pipe inside diameter
rho	object	yes	Liquid density
Q_unit	string	no	Output volumetric flow unit
M_unit	string	no	Output mass flow unit

Calculate gas control valve Cv and Kv from flow conditions

Parameter	Type	Required	Notes
Q	object	yes	Gas volumetric flow rate at standard conditions
P1	object	yes	Upstream pressure
P2	object	yes	Downstream pressure
T1	object	yes	Inlet gas temperature
MW	object	yes	Gas molecular weight
k	object	yes	Specific heat ratio (Cp/Cv)
Cv_unit	string	no	Output Cv unit
Kv_unit	string	no	Output Kv unit

Calculate liquid control valve Cv and Kv from flow conditions

Parameter	Type	Required	Notes
Q	object	yes	Liquid volumetric flow rate
P1	object	yes	Upstream pressure
P2	object	yes	Downstream pressure
rho	object	yes	Liquid density
Pv	object	no	Liquid vapor pressure (optional, default 0 kPa)
Pc	object	no	Liquid critical pressure (optional, default 22120 kPa)
FL	object	no	Liquid pressure recovery factor (optional, default 0.9)
Cv_unit	string	no	Output Cv unit
Kv_unit	string	no	Output Kv unit

Calculate steam control valve Cv and Kv from flow conditions

Parameter	Type	Required	Notes
M	object	yes	Steam mass flow rate
P1	object	yes	Upstream pressure
P2	object	yes	Downstream pressure
rho	object	yes	Steam density
Cv_unit	string	no	Output Cv unit
Kv_unit	string	no	Output Kv unit

Gas 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.

Parameter	Type	Required	Notes
M	object	yes	Gas mass flow rate. Set value='?' to calculate.
dP	object	yes	Differential pressure across orifice. Set value='?' to calculate.
D2	object	yes	Orifice bore diameter. Set value='?' to calculate.
P1	object	yes	Upstream (operating) pressure
D1	object	yes	Pipe inside diameter
rho	object	yes	Fluid density
mu	object	yes	Dynamic viscosity
k	object	no	Heat capacity ratio (Cp/Cv), default 1.4

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.

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

Gas Venturi tube sizing / differential pressure / flow rate calculation based on ISO 5167 Venturi meter (as cast convergent venturi tube). Exactly ONE of [M, dP, D2] must be set to '?' — that variable will be calculated.

Parameter	Type	Required	Notes
M	object	yes	Gas mass flow rate. Set value='?' to calculate.
dP	object	yes	Differential pressure across Venturi meter. Set value='?' to calculate.
D2	object	yes	Venturi throat diameter. Set value='?' to calculate.
P1	object	yes	Upstream (operating) pressure
D1	object	yes	Pipe inside diameter
rho	object	yes	Fluid density
mu	object	yes	Dynamic viscosity
k	object	no	Heat capacity ratio (Cp/Cv), default 1.4

Liquid Venturi tube sizing / differential pressure / flow rate calculation based on ISO 5167 Venturi meter (as cast convergent venturi tube). Exactly ONE of [M, dP, D2] must be set to '?' — that variable will be calculated.

Parameter	Type	Required	Notes
M	object	yes	Liquid mass flow rate. Set value='?' to calculate.
dP	object	yes	Differential pressure across Venturi meter. Set value='?' to calculate.
D2	object	yes	Venturi throat diameter. Set value='?' to calculate.
P1	object	yes	Upstream (operating) pressure
D1	object	yes	Pipe inside diameter
rho	object	yes	Fluid density
mu	object	yes	Dynamic viscosity

Calculate required PSV (pressure safety valve) relief area for gas/vapor service per API 520

Parameter	Type	Required	Notes
M	object	yes	Relieving mass flow rate
P1	object	yes	Upstream relieving pressure (set pressure + overpressure + atm)
P2	object	yes	Downstream (back) pressure
T1	object	yes	Relieving temperature
MW	object	yes	Gas/vapor molecular weight
k	object	no	Heat capacity ratio (Cp/Cv), default 1.4
Kb	object	no	Capacity correction factor for back pressure, default 1.0
Kc	object	no	Combination correction factor (rupture disk), default 1.0
Kd	object	no	Effective coefficient of discharge, default 0.975
A_unit	string	no	Output relief area unit

Calculate required PSV (pressure safety valve) relief area for steam service per API 520

Parameter	Type	Required	Notes
M	object	yes	Relieving mass flow rate
P1	object	yes	Upstream relieving pressure (set pressure + overpressure + atm)
T1	object	yes	Relieving temperature
Kb	object	no	Capacity correction factor for back pressure, default 1.0
Kc	object	no	Combination correction factor (rupture disk), default 1.0
Kd	object	no	Effective coefficient of discharge, default 0.975
A_unit	string	no	Output relief area unit

Calculate required PSV (pressure safety valve) relief area for liquid service per API 520

Parameter	Type	Required	Notes
M	object	yes	Relieving mass flow rate
P1	object	yes	Upstream relieving pressure (set pressure + overpressure + atm)
P2	object	yes	Downstream (back) pressure
Pover	object	no	Overpressure fraction (e.g. 0.1 = 10%), default 0.1
rho	object	yes	Liquid density
Kc	object	no	Combination correction factor (rupture disk), default 1.0
Kd	object	no	Effective coefficient of discharge, default 0.65
Kv	object	no	Viscosity correction factor, default 1.0
Kw	object	no	Back pressure correction factor (balanced bellows), default 1.0
A_unit	string	no	Output relief area unit

Calculate pump brake horsepower

Parameter	Type	Required	Notes
rho	object	yes	Fluid density
Q	object	yes	Volumetric flow rate
P1	object	yes	Inlet pressure
P2	object	yes	Outlet pressure
Eff	object	yes	Pump efficiency
BHP_unit	string	no	Output power unit

Calculate polytropic efficiency of compressor

Parameter	Type	Required	Notes
Pi	object	yes	Inlet pressure
Po	object	yes	Outlet pressure
Ti	object	yes	Inlet temperature
To	object	yes	Outlet temperature
k	object	yes	Heat capacity ratio

Calculate steam turbine isentropic efficiency

Parameter	Type	Required	Notes
Pi	object	yes	Inlet pressure
Ti	object	yes	Inlet temperature
Po	object	yes	Outlet pressure
To	object	yes	Actual outlet temperature
Eff_unit	string	no	Output efficiency unit

Calculate multistage steam turbine isentropic efficiency

Parameter	Type	Required	Notes
M1	object	yes	Main steam flow
M2	object	no	Extraction steam flow #1
M3	object	no	Extraction steam flow #2
M4	object	no	Extraction steam flow #3
M5	object	no	Extraction steam flow #4
P1	object	yes	Stage pressure #1
T1	object	yes	Stage temperature #1
P2	object	yes	Stage pressure #2
T2	object	yes	Stage temperature #2
P3	object	no	Stage pressure #3
T3	object	no	Stage temperature #3
P4	object	no	Stage pressure #4
T4	object	no	Stage temperature #4
P5	object	no	Stage pressure #5
T5	object	no	Stage temperature #5
E	object	yes	Actual generator output
Eff_unit	string	no	—

Calculate fired heater heat duty and efficiency from inlet/outlet conditions and composition

Parameter	Type	Required	Notes
HC	object	yes	Fuel gas hydrocarbon component list (e.g. ['CH4','C2H6'])
mole	object	yes	Fuel gas mole fraction list matching HC order (e.g. [0.9, 0.1])
Mfuel	object	yes	Fuel mass flow rate
Tfuel	object	yes	Fuel temperature
Tair	object	yes	Combustion air temperature
exO2	object	yes	Excess oxygen in flue gas
Trad	object	yes	Radiant section outlet temperature
Tstk	object	yes	Stack gas temperature
Mair_unit	string	no	Output air mass flow rate unit
MWfuel_unit	string	no	Output fuel molecular weight unit
LHVfuel_unit	string	no	Output fuel LHV unit
Qduty_unit	string	no	Output total heat duty unit
Qrad_unit	string	no	Output radiant section duty unit
Qconv_unit	string	no	Output convection section duty unit
Qloss_unit	string	no	Output heat loss unit

Calculate fired heater loss efficiency from ambient temperature, stack gas temperature and excess oxygen

Parameter	Type	Required	Notes
Type	object	yes	Fuel type
Tg	object	yes	Stack gas temperature
Ta	object	yes	Ambient temperature
exO2	object	yes	Excess oxygen

Heat exchanger fouling resistance back-calculation from shell/tube-side operating conditions.

Parameter	Type	Required	Notes
Unknown	string	yes	Which unknown is being solved for.
D_shll	object	yes	Shell inside diameter
D_tube	object	yes	Tube outside diameter
D_wall	object	yes	Tube wall thickness
P_tube	object	yes	Tube pitch
S_baffle	object	yes	Baffle spacing
N_tube	object	yes	Number of tubes
L_tube	object	yes	Tube length
N_shllseri	object	yes	Number of shells in series
N_shllpara	object	yes	Number of shells in parallel
N_shllpass	object	yes	Number of shell-side passes
N_tubepass	object	yes	Number of tube-side passes
A_hex	object	yes	Total heat transfer area
R_shll	object	yes	Shell-side fouling resistance
R_tube	object	yes	Tube-side fouling resistance
F	object	yes	Correction factor (dimensionless)
k_hex	object	yes	Tube wall thermal conductivity
T_shll	object	yes	Shell-side temperature range [T1, T2] used for property evaluation
rho_shll	object	yes	Shell-side fluid density list
Cp_shll	object	yes	Shell-side fluid heat capacity list

Calculate LMTD of heat exchanger

Parameter	Type	Required	Notes
Thi	object	yes	Hot inlet temperature
Tho	object	yes	Hot outlet temperature
Tci	object	yes	Cold inlet temperature
Tco	object	yes	Cold outlet temperature
LMTD_unit	string	no	Output LMTD unit

Calculate flash steam flow from pressure reduction

Parameter	Type	Required	Notes
Mc	object	yes	Condensate flow rate
Pc	object	yes	Condensate pressure
Ps	object	yes	Steam header pressure
Ms_unit	string	no	Output flash steam flow unit

Calculate boiler feed water flow and total flow from pressure and temperature reduction through desuperheater. Also returns the inlet/outlet/BFW specific enthalpies (h_in, h_out, h_bfw) used in the mass balance, always in Btu/lb.

Parameter	Type	Required	Notes
Min	object	yes	Inlet steam flow rate
Pin	object	yes	Inlet steam pressure
Tin	object	yes	Inlet steam temperature
Pout	object	yes	Outlet steam pressure
Tout	object	yes	Outlet steam temperature
Pbfw	object	yes	BFW (boiler feed water) pressure
Tbfw	object	yes	BFW (boiler feed water) temperature
Mbfw_unit	string	no	Required BFW (boiler feed water) flow unit
Mout_unit	string	no	Total output steam flow unit

Calculate depressurization gas volume and hold time for high pressure air storage vessel

Parameter	Type	Required	Notes
V1	object	yes	Vessel volume
P1	object	yes	Initial pressure
P2	object	yes	Final pressure
Q2	object	yes	Gas consumption rate
V2_unit	string	no	Available gas volume unit
H_unit	string	no	Required hold time unit

Calculate depressurization gas volume and hold time for gaseous nitrogen storage vessel

Parameter	Type	Required	Notes
V1	object	yes	Vessel volume
P1	object	yes	Initial pressure
P2	object	yes	Final pressure
Q2	object	yes	Nitrogen consumption rate
V2_unit	string	no	Available gas volume unit
H_unit	string	no	Required hold time unit

Calculate depressurization gas volumn abd hold time and saturation temperature for liquid nitrogen storage vessel

Parameter	Type	Required	Notes
V1	object	yes	Tank volume
P1	object	yes	Initial pressure
P2	object	yes	Final pressure
Q2	object	yes	Nitrogen consumption rate
T1_unit	string	no	Required temperature unit
V2_unit	string	no	Available gas volume unit
H_unit	string	no	Required hold time unit

Calculate depressurization steam volumn and hold time for steam accumulator

Parameter	Type	Required	Notes
V1	object	yes	Accumulator volume
P1	object	yes	Initial pressure
P2	object	yes	Final pressure
M2	object	yes	Steam consumption rate
V2_unit	string	no	Available steam amount unit
H_unit	string	no	Required hold time unit

Cooling tower evaporation rate: mass removal rate (MR) and heat removal rate (QR)

Parameter	Type	Required	Notes
INPUT	object	yes	—
OUTPUT	object	no	—

Cooling tower L/G ratio calculation

Parameter	Type	Required	Notes
INPUT	object	yes	—
OUTPUT	object	no	—

Cooling tower NTU and characteristic C value calculation

Parameter	Type	Required	Notes
INPUT	object	yes	—
OUTPUT	object	no	—

Cooling tower capacity evaluation

Parameter	Type	Required	Notes
INPUT	object	yes	—
OUTPUT	object	no	—

Cooling tower capacity evaluation: design vs test

Parameter	Type	Required	Notes
INPUT	object	yes	—
OUTPUT	object	no	—

Data Validation and Reconciliation

Parameter	Type	Required	Notes
MEASURED	object	yes	Measured values. Format: {TAG: {value: number, unit: string}}. Example: {A: {value: 100, unit: ''}}
ACCURACY	object	yes	Measurement accuracy in %. Format: {TAG: {value: number, unit: '%'}}. Example: {A: {value: 5, unit: '%'}}
EQUATION	object	yes	Constraint equations. Format: {EQ1: 'A=B+C', EQ2: 'C=D+E'}. Each value is an equation string with '=' separator.

Advanced Data Validation and Reconciliation including gross error detection and elimation

Parameter	Type	Required	Notes
MEASURED	object	yes	Measured values. Format: {TAG: {value: number, unit: string}}. Example: {A: {value: 100, unit: ''}}
ACCURACY	object	yes	Measurement accuracy in %. Format: {TAG: {value: number, unit: '%'}}. Example: {A: {value: 5, unit: '%'}}
EQUATION	object	yes	Constraint equations. Format: {EQ1: 'A=B+C', EQ2: 'C=D+E'}. Each value is an equation string with '=' separator.

General mass/energy balance solver using GEKKO

Parameter	Type	Required	Notes
VARIABLE	object	yes	Decision variables. Each entry: [lb, init, ub] for free variable, or [fixed, fixed, fixed] for constant.
EQUATION	object	yes	Equality/inequality constraints. Keys prefixed eq/ge/le/gt/lt. Each entry: {'left': expr, 'right': expr}.
MINIMIZE	object	no	Objective to minimize. Format: {'left': 'mintarget', 'right': 'expr'}.
MAXIMIZE	object	no	Objective to maximize. Format: {'left': 'maxtarget', 'right': 'expr'}.

Pinch analysis (minimum utilities, pinch temperatures, composite curves, grand composite curve) and heat exchanger network design by manual tick-off heuristic

Parameter	Type	Required	Notes
INPUT	object	yes	Process streams and design parameters. Hot/Cld streams: {'value': [Tin, Tout, MCp], 'unit': 'kW/C'}, e.g. {'Hot1': {'value': [220, 60, 22], 'unit': 'kW/C'}, 'Cld1': {'value': [50, 210, 20], 'unit':
OUTPUT	array	no	Optional list of output names. Default: all of T_pinch, T_hot_pinch, T_cld_pinch, Q_hot_min_utility, Q_cld_min_utility, T_hot_composite, Q_hot_composite, T_cld_composite, Q_cld_composite, T_gcc, Q_gcc

Pinch analysis (minimum utilities, pinch temperatures, composite curves, grand composite curve) and heat exchanger network design by optimization solver

Parameter	Type	Required	Notes
INPUT	object	yes	Process streams and design parameters. Hot/Cld streams: {'value': [Tin, Tout, MCp], 'unit': 'kW/C'}, e.g. {'Hot1': {'value': [220, 60, 22], 'unit': 'kW/C'}, 'Cld1': {'value': [50, 210, 20], 'unit':
OUTPUT	array	no	Optional list of output names. Default: all of T_pinch, T_hot_pinch, T_cld_pinch, Q_hot_min_utility, Q_cld_min_utility, T_hot_composite, Q_hot_composite, T_cld_composite, Q_cld_composite, T_gcc, Q_gcc

Generic formula calculator with unit conversion and IF-THEN-ELSE

Parameter	Type	Required	Notes
INPUT	object	yes	—
UNIT	object	no	—
FORMULA	object	yes	—
OUTPUT	object	yes	—

Solve nonlinear equations with unknown variables using fsolve

Parameter	Type	Required	Notes
INPUT	object	yes	—
FORMULA	object	yes	—
OUTPUT	object	yes	—

Economic analysis: NPV, IRR, Simple Payback, Profitability Index, EAC

Parameter	Type	Required	Notes
R	object	no	Discount rate (fraction, e.g. 0.1 for 10%). Default 0.1.
CF	object	yes	Cash flow list, period 0 (initial investment, negative) through final period, e.g. [-100000, 30000, 30000, 30000]

Advanced Economic analysis with inflation, depreciation, and tax: NPV, IRR, Simple Payback, Profitability Index, NCF

Parameter	Type	Required	Notes
INPUT	object	yes	—

Free

$0 forever

Every tool — any call limit is its publisher’s, not ours
No card, and mcprush charges nothing for it
Runs at its publisher’s own address — this marketplace is not in the path
Nothing to cap, because mcprush bills nothing

Nothing here is billable: mcprush charges nothing to install EngScript Engineering or to call it, at any volume.

ATool-list grade · score 96 / 100

Release 1.0.0 · scanned 20 Oct 2026

Graded from the tools this server lists, not from its source code.

Two independent axes, because powerful and malicious are different questions. The grade is threat only. The capability level is blast radius, and it is never a penalty on the grade — it is priced as one subtract-only term in the score, where you can see it.

Threat score100

Client score96

Findings0 threat · 0 capability

Capabilityminimal

Coveragemanifest

Verificationnot in this report

Surface digest50b024e5c0770c7a23e727fdc6a36cb714e702b72840151ce7682cfbd31f648d

Score vectorthreat 100 → client 96

Term	Level	What it prices	Points
capability-exposure	minimal	capability blast radius (minimal) — client exposure if the model is manipulated	−0
coverage-honesty	manifest	inspection depth (manifest) — how much of the target the scan could see	−4

score = clamp(round(threatScore − E_cap − E_ver − E_cov), 0, 100). No model, no opinion, no network call at scoring time: the same methodology version against the same bytes always produces this number, and every line above is a field of the report rather than a summary of it.

What the scan could actually read

A grade is only as meaningful as its coverage, so the scanner publishes its own depth before it publishes its result.

The scan read each tool’s name, description, input schema and annotations exactly as the server listed them the last time it answered us; no code was reviewed. We ask the server again about once a month, and a list that changed is graded again.

Tool surfaceread

Implementation sourcenot available

Package metadatanot available

Live transportnot available

The implementation source was not read — this reflects the declared tool metadata only.

Capability — what it could do if the model were manipulated

Tags derived from each tool’s schema and the implementation, not from what the tool calls itself. minimal is the level these add up to.

Tool	Capability tags	Why the tag was assigned
MIXTURE	no tags
CARBON	no tags
STEAM	no tags
PSYCHROMETRIC	no tags
FUELGAS	no tags
FLUEGAS	no tags
EMISSIONFACTOR	no tags
REFRIGERANT	no tags
PTV	no tags
MtoV	no tags
VtoM	no tags
Pmean	no tags
PIPEFF	no tags
STEAMLEAK	no tags
STEAMPH	no tags
PIPEINSUL	no tags
PIPESTEAM	no tags
PIPEWATER	no tags
PIPEAIR	no tags
PIPENITROGEN	no tags
PIPEFLOWGAS	no tags
PIPEFLOWLIQ	no tags
CVGAS	no tags
CVLIQ	no tags
CVSTEAM	no tags
ORIFICEGAS	no tags
ORIFICELIQ	no tags
VENTURIGAS	no tags
VENTURILIQ	no tags
PSVGAS	no tags
PSVSTEAM	no tags
PSVLIQ	no tags
PUMPBHP	no tags
COMPPOLYEFF	no tags
TBNEFF	no tags
STGEFF	no tags
HTRINOUTEFF	no tags
HTRLOSSEFF	no tags
HEXRF	no tags
LMTD	no tags
STEAMFLASH	no tags
DESUPERHEATER	no tags
HPADEPRESS	no tags
GN2DEPRESS	no tags
LN2DEPRESS	no tags
STMDEPRESS	no tags
CTWREVAPOR	no tags
CTWRLG	no tags
CTWRNTU	no tags
CTWRCAPA	no tags
CTWRCAPADSNTST	no tags
DVR	no tags
advDVR	no tags
BALANCE	no tags
PINCHMANUAL	no tags
PINCHSOLVER	no tags
FORMULA	no tags
SOLVE	no tags
ECONOMIC	no tags
advECONOMIC	no tags

Toxic-flow graph

The lethal trifecta, checked as a graph rather than as a checklist: untrusted input, a sensitive source and an external sink have to meet before there is a path worth worrying about.

The public result for this release does not print the flow graph, so there is nothing to show here. That is not the same as "no paths were found": what the scan did read is above, under coverage.

Supply chain and provenance

Integrityfirst-seen

Surface digest50b024e5c0770c7a

Scanned2026-10-20

This is the first scan of this surface here, so there is nothing yet to compare it against.

Every result on this tab comes from one deterministic pass over the published package — offline, rule by rule, and auditable line by line above. Same methodology version, same bytes, same score.

Where are you running it?

Tool surface

Release history

EngScript Engineering MCP

What it does

Quickstart

Where are you running it?

Tool surface

What counts against your monthly calls

What the scan could actually read

Capability — what it could do if the model were manipulated

Toxic-flow graph

Supply chain and provenance

Release history

See also