Graft AI is an enterprise platform that helps AI agents work inside legacy software by turning existing interfaces into reliable tools. The platform is designed for companies that rely on systems without modern APIs, including ERPs, mainframes, desktop applications, web portals, virtual desktops, internal tools, and file-based workflows. Graft observes real workflows and maps screens, inputs, transitions, rules, effects, and application states. It then compiles those workflows into stable typed contracts, adapters, policy boundaries, and conformance tests that agents can call through MCP-compatible tools. The platform verifies real source-system effects using independent evidence so the adapter cannot simply certify itself. Graft also enforces approvals, roles, permissions, boundaries, and least-privilege access so write actions stay governed. Every agent action is logged with context, making workflows auditable, traceable, and easier to review. The platform runs in the customer’s environment and states that customer data does not train its models. By combining interface intelligence, governed execution, verification, stable contracts, and auditability, Graft AI gives enterprises a practical bridge between existing software and modern AI agents.