Use Cases
Proven on real estates.
Finance. Logistics. Partner-led delivery.
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Mainframe modernization
Why generic agentic AI fails at mainframe scale — and why deterministic system mapping must come before LLM reasoning.
Read use case →HC3 case · Finance · Banks · PartnersPHP to Java conversion
2M lines of PHP — business logic extracted and SME-validated in ~1 month, then a grounded PHP → Java blueprint with debt, dependency, effort, and risk.
Read use case →HC3 case · Finance · InsuranceStingray policy administration
5M lines across five languages — discovery cut from a two-year plan to a month, then a high-fidelity Stingray → .NET + Azure plan with AI-assisted execution.
Read use case →HC3 case · Logistics · Region expansionArchitectural drift analysis
20+ engineers on a region expansion build — track drift from proposed design to implemented design, keep transparency and checks without breaking delivery flow.
Read use case →HC3 case · Logistics · Shipment managementThe Sunset problem
2M lines of shipment-management code — continuous legacy enhancements blocked modernized adoption and created dual-system drift until HC3 exposed gaps and a high-fidelity migration plan.
Read use case →Browse by industry
Finance
Regulated estates where accuracy, auditability, and blast-radius matter before any LLM answer.
View vertical →Logistics
Logistics estates under expansion and modernization pressure — architecture fidelity, dual-system drift, and delivery velocity.
View vertical →Partners
How delivery partners use HC3 to extract business logic, validate with SMEs, and run high-fidelity conversion programs.
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