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Introducing IBM z/OS & GDPS AI Assistant

Intelligent Mainframe Operations Powered by IBM watsonx.ai and MCP

calendar_today October 4, 2025 schedule 15 min read person Ziemacs AI Team
AI/ML Mainframe z/OS GDPS IBM watsonx.ai MCP

Executive Summary

Enterprise mainframe operations face unprecedented complexity. Managing z/OS systems, ensuring high availability through Geographically Dispersed Parallel Sysplex (GDPS), and maintaining disaster recovery readiness requires deep expertise across multiple domains. Today, we're introducing an AI-powered assistant that fundamentally transforms how organizations manage their mainframe infrastructure.

The z/OS & GDPS Multi-Agent AI Assistant combines IBM watsonx.ai foundation models, the Anthropic Model Context Protocol (MCP), and Retrieval-Augmented Generation (RAG) to deliver intelligent, context-aware assistance for mainframe operations. This isn't just another chatbot—it's a sophisticated orchestration system with specialized agents that understand capacity planning, troubleshooting, disaster recovery, and security at an expert level.

The Challenge: Mainframe Complexity in the Modern Enterprise

Mainframe systems remain the backbone of global commerce, processing 87% of credit card transactions and hosting core banking systems for most financial institutions. Yet organizations face significant challenges:

Skill Gap Crisis

Experienced mainframe professionals are retiring faster than new talent is entering the field. The average age of mainframe specialists is approaching 55, creating a critical knowledge transfer challenge.

Operational Complexity

Managing z/OS environments requires expertise across dozens of subsystems: JES2/JES3, RACF, SMS, DB2, IMS, CICS, and GDPS.

24/7 Availability

Modern enterprises demand five nines (99.999%) uptime. A single hour of mainframe downtime can cost millions in lost revenue.

DR Readiness

GDPS configurations must maintain near-zero RPO and minimal RTO, requiring constant monitoring and validation.

The Solution: Multi-Agent AI Orchestration

Our AI assistant takes a fundamentally different approach to mainframe automation. Rather than creating a monolithic system, we've built a multi-agent architecture where specialized AI agents handle specific domains of expertise.

Architecture Overview

Custom Agent Framework: Built without dependency on third-party frameworks like Langchain, our system provides complete control over agent behavior and prompt engineering.

IBM watsonx.ai Integration: Leveraging IBM's Granite foundation models trained on enterprise data, the assistant understands mainframe terminology, commands, and best practices.

Model Context Protocol (MCP): MCP servers provide real-time access to z/OS systems and GDPS infrastructure through secure, auditable interfaces.

Retrieval-Augmented Generation (RAG): A custom vector store indexes z/OS documentation, GDPS manuals, and operational procedures for technically accurate responses.

The Eight Specialized Agents

assignmentPlanning Agent
architectureDesign Agent
rocket_launchDeployment Agent
monitoringMonitoring Agent
buildTroubleshooting Agent
syncMigration Agent
securitySecurity Agent
publicGDPS Agent
Planning Agent: Handles capacity planning, MIPS forecasting, budget analysis, and hardware sizing using SMF Type 70 and 72 records.
Troubleshooting Agent: Diagnoses ABEND failures, analyzes IPCS dumps, interprets SYSLOG messages, and performs root cause analysis.
GDPS Agent: Manages disaster recovery operations, monitors PPRC replication, validates consistency groups, and orchestrates failover procedures.

Tool Integration and MCP Servers

Agents don't just provide advice—they can perform actual operations through integrated tools:

z/OS MCP Server Tools

  • Query LPAR status, CPU utilization, and memory allocation
  • Check batch job status in JES2/JES3
  • Retrieve dataset information and attributes
  • List RACF user permissions and access rights
  • Query SMF records for performance analysis
  • Search SYSLOG for specific error patterns

GDPS MCP Server Tools

  • Check replication status and lag times
  • Validate PPRC volume pair synchronization
  • Verify RPO/RTO compliance metrics
  • Assess failover readiness and DR site status
  • Query GDPS Manager health and automation status

Key Capabilities

Intelligent Conversation Flow

The orchestrator distinguishes between generic questions and technical operations:

Generic Questions (Orchestrator handles directly):
  • "What is a Parallel Sysplex?"
  • "Explain the difference between PPRC and XRC"
  • "How does z/OS workload management work?"
Technical Operations (Specialized agents with tools):
  • "Check if LPAR PROD01 has sufficient capacity"
  • "Troubleshoot S0C4 ABEND in job PAYROLL"
  • "Verify GDPS replication is meeting our 5-second RPO target"

Real-World Use Cases

Use Case 1: Capacity Planning for Application Migration

Scenario: A financial institution plans to migrate a critical trading application to their z/OS environment.

Use Case 2: GDPS Replication Monitoring

Scenario: Operations team needs to verify disaster recovery readiness before a compliance audit.

Use Case 3: ABEND Troubleshooting

Scenario: Production batch job fails with S0C4 ABEND at 2 AM.

Experience the Future of Mainframe Operations

See the z/OS & GDPS Multi-Agent AI Assistant in action. Try our interactive demo below or click the chat icon in the bottom right to start a conversation with our AI assistant.

Conclusion

The z/OS & GDPS Multi-Agent AI Assistant represents a significant advancement in mainframe operations automation. By combining IBM watsonx.ai's enterprise AI capabilities with purpose-built agents and real-time system integration through MCP, we've created a solution that addresses the skill gap crisis while improving operational efficiency and reliability.

This isn't about replacing mainframe professionals—it's about augmenting their capabilities. Junior engineers gain access to expert-level guidance. Senior engineers offload routine inquiries to focus on strategic initiatives. Operations teams respond to incidents faster with AI-powered diagnostics.

Important: This AI assistant provides guidance and recommendations but does not replace professional judgment. Always validate changes in test environments before applying to production systems.

About the Author: This assistant was developed by enterprise architects and mainframe specialists with decades of combined experience in z/OS operations, GDPS implementations, and AI systems integration.

Disclaimer: IBM, z/OS, GDPS, and watsonx are trademarks of International Business Machines Corporation.

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