MedCalc MCP Server

A comprehensive medical calculation MCP (Model Context Protocol) server providing 59 clinical tools for healthcare professionals and AI assistants.

Installation

pip install medcalc

Usage

Start the MCP server:

medcalc

Claude Desktop / uvx Integration

Add to your claude_desktop_config.json:

{
  "mcpServers": {
    "medcalc": {
      "command": "uvx",
      "args": ["medcalc@latest"]
    }
  }
}

Available Tools (59)

Renal Function

Tool	Description
egfr_epi	eGFR using 2021 CKD-EPI Creatinine equation
egfr_epi_cr_cys	eGFR using 2021 CKD-EPI Creatinine-Cystatin C equation
mdrd_gfr	GFR using MDRD equation
crcl_cockcroft_gault	Creatinine Clearance (Cockcroft-Gault)
fractional_excretion_of_sodium	FENa for AKI evaluation
free_water_deficit	Free water deficit for hypernatremia

Electrolytes & ABG

Tool	Description
corrected_calcium	Calcium corrected for albumin
corrected_sodium_katz	Corrected sodium (Katz formula)
corrected_sodium_hillier	Corrected sodium (Hillier formula)
serum_anion_gap	Serum anion gap with delta-delta
serum_osmolarity	Serum osmolarity (calculated)
anion_gap_delta_delta	Delta-delta ratio for mixed acid-base disorders
aa_gradient	A-a gradient
winters_formula	Winter's formula for expected pCO2

Anthropometrics & Fluids

Tool	Description
bmi_calculator	Body Mass Index
bsa_calculator	Body Surface Area (Mosteller)
ibw_calculator	Ideal Body Weight (Devine)
abw_calculator	Adjusted Body Weight
maintenance_fluids	IV maintenance fluids (4-2-1 rule)
ventilator_tidal_volume	IBW-based tidal volume (6-8 mL/kg)

Cardiovascular Risk

Tool	Description
framingham_risk_score	10-year CHD risk (Framingham)
prevent_cvd_risk	AHA PREVENT 10-year CVD risk
ascvd_10yr_risk	ACC/AHA Pooled Cohort ASCVD risk
revised_cardiac_risk_index	RCRI for pre-operative cardiac risk
heart_score	HEART score for chest pain evaluation
duke_activity_status_index	DASI functional capacity (METs)
gupta_perioperative_mica	Gupta perioperative MI/cardiac arrest risk

Cardiac & Vascular

Tool	Description
map_calculator	Mean Arterial Pressure
qtc_calculator	Corrected QT Interval (Bazett, Fridericia, etc.)
chads2_vasc_score	CHA₂DS₂-VASc stroke risk
has_bled_score	HAS-BLED bleeding risk
grace_acs_score	GRACE ACS mortality risk
timi_stemi	TIMI score for STEMI
timi_nstemi	TIMI score for NSTEMI/UA

Pulmonary & VTE

Tool	Description
wells_pe_criteria	Wells' criteria for PE
wells_dvt_criteria	Wells' criteria for DVT
perc_rule	PERC rule for PE exclusion
ariscat_score	ARISCAT postoperative pulmonary complications
curb65_score	CURB-65 for pneumonia severity
psi_port_score	PSI/PORT score for CAP
stop_bang_score	STOP-BANG for obstructive sleep apnea

Hepatology

Tool	Description
child_pugh_score	Child-Pugh cirrhosis classification
meld_3	MELD 3.0 score
fib4_index	FIB-4 index for liver fibrosis

Critical Care

Tool	Description
sofa_score	Sequential Organ Failure Assessment
apache2_score	APACHE II ICU severity
sepsis_criteria	qSOFA / SIRS / Sepsis-3 criteria
glasgow_coma_scale	Glasgow Coma Scale
news2_score	National Early Warning Score 2

Neurology & Psychiatry

Tool	Description
nihss_score	NIH Stroke Scale
phq9_score	PHQ-9 depression screening
gad7_score	GAD-7 anxiety screening
ciwa_ar_score	CIWA-Ar alcohol withdrawal

Pediatrics

Tool	Description
bp_children	Pediatric blood pressure percentiles
pecarn_pediatric_head_injury	PECARN pediatric head CT decision rule

Hematology & Surgery

Tool	Description
caprini_score	Caprini VTE risk in surgical patients
centor_score_modified	Modified Centor (McIsaac) for pharyngitis
ldl_calculated	LDL cholesterol (Friedewald)
homa_ir	HOMA-IR insulin resistance

Pharmacology

Tool	Description
steroid_conversion	Corticosteroid dose conversion
calculate_mme	Morphine Milligram Equivalents
infusion_rate	Universal IV drug infusion rate calculator (mL/h)

Obstetrics

Tool	Description
pregnancy_calculator	Pregnancy due date calculations

License

MIT