Hopper — AI Agents for Mainframe Operations - Hypercubic

The first agentic development environment for the mainframe.Use AI agents to navigate TN3270, inspect datasets, write JCL, debug jobs, query VSAM, and operate inside z/OS from a modern development environment.Need access to a mainframe?Fill out the form and we'll send you credentials to try Hopper on our mainframe for free.Powered byRequest CredentialsBuilt by leading minds behind the world's most advanced AI and technologyOur team unites top researchers, engineers, and strategists from pioneering companies and institutions—all focused on building systems that deliver real impact.Compile, test, ship in one promptDrives the JCL, parses JES return codes, NEWCOPYs into CICS, and pauses for your approval before every change.Learn more Debug failed jobs without hunting through SDSFHours of SDSF triage in one @-tag. The agent decodes JESMSGLG, JESYSMSG, and SYSUDUMP into the abend code, failing step, and source line.Learn more A real TN3270 terminal, when you need itWorks exactly like the TN3270 you've used for years. Full PF, PA, and attention-key support.Learn more PricingHobbyFreeIncludes:No credit card requiredmacOS, Windows, and LinuxConnect to your own mainframeAll core Hopper featuresEnterpriseCustomEverything in Hobby, plus:SAML SSOMCP Server AccessAdmin and Model ControlsOrg-wide Privacy ControlsNo Model TrainingPriority SupportOn-prem / VPC DeploymentSOC 2 & Pen Test ReportsJoin our communityConnect with builders using Hopper, follow product updates, and swap ideas with the Hypercubic team.Join our Discord