RealChar, an open source AI character framework, has gained significant attention and usage from the community since its release. The platform allows users to create, customize, and converse with their own AI characters in real-time across various platforms. RealChar leverages open source tools like LangChain for underlying technology and utilizes LangSmith for monitoring and observing traffic, filtering logs, identifying important conversations, and evaluating prompts. The combination of these tools has proven to be valuable for managing large volumes of traffic in a production-level application like RealChar.