Application Understanding Platform
Modernize with verified understanding of mainframe and legacy applications.
Modernization, powered by application understanding
From assessment to execution: one integrated platform across with your modernization journey.
Map the application
See your application organized by business function. Automatically grouped into domains, explorable visually or with AI.
Unify domain language
A glossary unifies code-derived terminology and SME-defined concepts into a single source of truth.
Identify cross-system impact
Execution flows and dependency diagrams expose how changes propagate across programs, jobs, and data flows.
Create specs and user stories
Convert natural language business rules and organizational knowledge into modernization specifications and user stories.
Establish a verified baseline
Validate test suites against the existing and intended business rules to reduce the risk in agentic modernization
Context structured for AI agents
Swimm MCP
Integrate one Understanding Layer across agentic tools, platforms, and frameworks
Governed context
Curate each project’s code and organization context with easy verification directly from the source
Token efficiency
Use the only the right context for 75% faster and 61% lower cost execution
Deterministic understanding.
No black boxes.
Swimm uses structural modeling and static analysis to map and analyze every bit of your codebase.
AI is layered into the platform to summarize and explain never invent.
Deployed where modernization is hardest
Security certified
SOC 2 and ISO 27001 compliant
On-premise deployment
Including air-gapped environments
Customer-managed LLMs
Your data stays in your control
Proven at scale
100M+ lines of code analyzed
Mainframe & legacy coverage
COBOL, JCL, PL/I, and modern languages
Stays current
Understanding updates as your code evolves