Hopper by Hypercubic wraps z/OS mainframe operations in an MCP-powered agentic IDE: JCL, VSAM, SDSF, CICS, and TN3270 from one prompt.
Key Takeaways
Uses Model Context Protocol to connect AI agents to z/OS; supports natural language JCL authoring, job submission, and NEWCOPY into CICS.
SDSF triage is automated: the agent decodes JESMSGLG, JESYSMSG, and SYSUDUMP into abend code, failing step, and source line.
Includes a full TN3270 terminal with PF, PA, and attention-key support alongside the agentic layer.
Free Hobby tier requires no credit card; Enterprise adds SAML SSO, MCP Server Access, SOC 2, and on-prem/VPC deployment.
Hypercubic provides free mainframe credentials for evaluation, removing the hardware barrier for new users.
Hacker News Comment Review
Hobbyist demand exists for Hercules emulator support; Hypercubic confirmed it is not currently supported but offers free cloud mainframe access as an alternative.
No broader technical debate yet on MCP implementation, security model, or RACF integration.
