The KB Browser, also sometimes referred to as the “Cyc Browser”, is the current suite of tools that expert Cyc users use to interact with the Cyc Knowledge Base. It offers various ways of examining KB content and supporting data structures, tools for adding new knowledge, tools for querying Cyc via the Cyc Inference Engine, and other associated tools.
The KB Browser has evolved over the years. As of 2019, the KB Browser is a web-based tool suite.