Coming soon at KodaStack.ai

The AI engine that rescues the code holding up the world.

Global finance, insurance, and critical infrastructure still run on 60-year-old mainframes. KodaStack is the AI-native modernization engine that reads legacy code like an archeologist and rewrites it into cloud-ready systems—without breaking the business.

Private beta for banks, insurers & critical infrastructure. No spam—just launch updates.

The \"boring\" trillion-dollar gap

COBOL in production 220B+ LOC

Avg. mainframe dev age 58 years

Legacy upkeep each year $312B+

KodaStack reads mainframe-era code, extracts the business rules, and regenerates them as test-covered microservices—so the backbone of your institution can finally move to the cloud.

Why KodaStack exists

The knowledge cliff sitting under global finance.

Core banking, payments, and policy systems still run on mainframes written in COBOL and JCL. The people who understand them are retiring, and every change request is a seven-figure consulting project. Modern AI tools focus on chatbots and copy, not the languages that actually move money.

KodaStack focuses on the hard, high-moat problem: translating decades of business logic into modern, documented services without losing a single rule.

⚠

80% of in-person financial transactions

still touch legacy systems that few engineers under 40 can safely modify.

🧩

High barrier, high defensibility

Understanding 1970s-era code is an expertise moat that generic LLM products simply don't cross.

How KodaStack works

A software archeologist, not a code translator.

KodaStack uses specialized AI agents to ingest millions of lines of legacy code, recover the intent behind every branch, and synthesize fully-tested, cloud-native services.

1 Ingestion

📜

Deep code scanning

KodaStack ingests entire mainframe repos—COBOL, JCL, copybooks—, builds dependency graphs, and separates dead code from critical paths.

2 Intent extraction

🧠

Recover business rules

Instead of translating line-by-line, KodaStack maps what the code means: overdraft logic, pricing rules, eligibility checks, and more.

3 Re-architecture

🏗️

Design modern services

Business rules are grouped into domain-driven microservices— think Accounts, Payments, Risk—ready for your cloud of choice.

4 Synthesis

⚡

Generate code & tests

KodaStack emits modern Java/Go/Python services, plus regression suites that prove behavior matches your mainframe before go-live.

Why it matters

From multi-year consulting projects to predictable, software-led migrations.

Traditional legacy rewrites are slow, opaque, and risky. KodaStack turns modernization into a repeatable, test-driven process with clear economics.

Project cost: 7–8 figure consulting SOW; Software-led, usage-based
Timeline: 24–36 months; 3–9 months
Risk of breakage: Manual testing, partial coverage; Regression tests from your own data
Knowledge capture: Lost when contractors roll off; Living knowledge base + docs

At-a-glance economics

A typical 1M LOC modernization:

Traditional consulting $15–25M

KodaStack-led migration $3–7M

Illustrative only. Exact economics depend on codebase size, integration complexity, and regulatory constraints.

Go-to-market roadmap

From specialist AI service to the modernization platform.

Phase 1 · Today

High-touch modernization service

We partner directly with a small number of flagship institutions, deploying KodaStack alongside our engineers to modernize mission-critical systems end-to-end.

Phase 2

Enterprise platform for internal teams

Banks and insurers run KodaStack within their own perimeter, giving internal architects and COEs a cockpit for planning and executing migrations safely.

Phase 3

Self-serve modernization cloud

A secure, self-serve platform for modernizing not just COBOL, but also aging Java, early .NET, and other legacy stacks across industries.

Be first to know

KodaStack is assembling design partners for 2026.

If you own or oversee a legacy system that keeps your institution up at night, we'd love to talk. Share your email and we'll reach out with a short brief—no sales spam.

We'll only use this to contact you about KodaStack and early access.