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Model Context Protocol (MCP)

Secure, compliant model-to-model communication infrastructure for healthcare AI.

🔐 What is MCP?

The Model Context Protocol (MCP) is HealthCloud's standardized protocol for secure, compliant AI model-to-model communication. It enables AI agents to collaborate while maintaining strict compliance with healthcare regulations.

MCP ensures that when multiple AI models work together, patient data remains encrypted, audit trails are maintained, and all interactions comply with HIPAA, GDPR, and other healthcare data protection standards.

Key Features

🔒 End-to-End Encryption

All model communications are encrypted in transit using TLS 1.3 and at rest using AES-256.

📝 Comprehensive Audit Trails

Every model interaction is logged with timestamps, model IDs, data exchanged, and outcomes.

⚡ Low Latency

Optimized for real-time clinical workflows with sub-100ms response times.

🎯 Context Preservation

Maintains patient context and session state across multiple model invocations.

MCP Architecture

Communication Flow:

1Model A initiates MCP session with authentication token
2MCP server validates compliance requirements and permissions
3Encrypted context and data sent to Model B
4Model B processes and returns encrypted response
5Interaction logged to immutable audit trail

MCP API Reference

Create MCP Session

POST/api/v1/mcp/sessions

Request Body:

{
  "source_model_id": "radiology-classifier-v2",
  "target_model_id": "clinical-decision-engine",
  "patient_id": "patient-123",
  "context": {
    "encounter_id": "encounter-456",
    "clinical_priority": "high"
  },
  "compliance_requirements": {
    "hipaa": true,
    "encrypt_phi": true,
    "audit_level": "detailed"
  }
}

Response:

{
  "session_id": "mcp-sess-789abc",
  "status": "active",
  "expires_at": "2025-11-02T11:30:00Z",
  "encryption_key_id": "key-123",
  "audit_trail_id": "audit-456"
}

Send MCP Message

POST/api/v1/mcp/sessions/:sessionId/messages
{
  "message_type": "inference_request",
  "payload": {
    "fhir_resources": [
      {
        "resourceType": "DiagnosticReport",
        "id": "report-123",
        "status": "final",
        "code": {
          "coding": [{
            "system": "http://loinc.org",
            "code": "24627-2",
            "display": "Chest X-Ray"
          }]
        },
        "conclusion": "Possible pneumonia",
        "imagingStudy": {
          "reference": "ImagingStudy/study-456"
        }
      }
    ]
  },
  "metadata": {
    "priority": "high",
    "timeout_ms": 5000
  }
}

Using the MCP SDK

JavaScript/TypeScript Example:

import { MCPClient } from '@healthcloud/mcp';

const mcpClient = new MCPClient({
  apiKey: process.env.HEALTHCLOUD_API_KEY,
  modelId: 'radiology-classifier-v2'
});

// Create a secure session
const session = await mcpClient.createSession({
  targetModelId: 'clinical-decision-engine',
  patientId: 'patient-123',
  context: {
    encounterId: 'encounter-456',
    clinicalPriority: 'high'
  }
});

// Send encrypted message
const response = await session.send({
  type: 'inference_request',
  payload: {
    fhirResources: [diagnosticReport, imagingStudy]
  }
});

// Process response
console.log('Recommendation:', response.recommendation);
console.log('Confidence:', response.confidence);

// Close session (triggers audit log finalization)
await session.close();

Compliance & Security

Built-in Compliance Features:

  • HIPAA Compliance: All PHI is encrypted and logged per HIPAA requirements
  • GDPR Compliance: Patient data rights (access, deletion) enforced at protocol level
  • Immutable Audit Logs: All model interactions stored in tamper-proof blockchain ledger
  • Zero-Trust Architecture: Every model interaction requires explicit authentication
  • Automatic De-identification: Optional PHI de-identification for non-clinical models

Real-World Use Cases

🩺 Multi-Modal Diagnosis

Radiology AI analyzes X-ray → sends findings to clinical decision support model → generates treatment recommendations → final review by physician AI assistant

💊 Drug Interaction Checking

Prescription AI validates new medication → queries drug interaction model → checks patient allergy database → confirms with pharmacogenomics model

🔬 Clinical Trial Matching

EHR extraction model → eligibility criteria matching → genomic compatibility check → trial recommendation engine

📊 Predictive Analytics Pipeline

Patient risk stratification model → readmission prediction → resource allocation AI → care coordination recommendations

🚀 Get Started with MCP

Ready to build secure, compliant AI agent workflows?