Show HN: Kontext – Move an AI chat's full context to another AI in one click (github.com)

Kontext has introduced a groundbreaking tool that allows users to seamlessly transfer a complete AI chat context from one AI, like ChatGPT, to another, such as Claude, with just a single click. This is particularly significant for practitioners in the AI/ML community who often encounter conversation limits during complex tasks. By enabling a "lossless" transfer through the internal APIs of these platforms, Kontext captures the full chat history, summarizes it, and auto-fills the target AI's composer, ensuring that no context is lost and users can maintain momentum in their discussions. The tool operates entirely on-device, with its summarization processes utilizing Chrome's built-in Gemini Nano model at no additional cost, while ensuring user privacy by never sharing information externally. Users can also opt to bring their own API keys for additional AI models, making Kontext a versatile solution for anyone interfacing with multiple AI systems. This local-first approach, combined with features like real-time progress indicators and an extensive local library for storing conversations, illustrates Kontext's commitment to enhancing efficiency and collaboration in AI workflows, without compromising user data or system integrity.