On December 18th, the AI agent operating system platform/dev/agents founded by former Stripe CTO David Singleton completed a $56 million seed round at a valuation of $500 million. The round was led by Index Ventures and CapitalG, with participation from Conviction Capital. Many prominent technology leaders, including Andrej Karpathy, co-founder of OpenAI, Alexandr Wang, CEO of Scale AI, Nikesh Arora, CEO of Palo Alto Networks, and Andy Rubin, founder of Android, also participated in the round. According to reports, the vision of/dev/agents is to create an Android operating system in the AI era, providing specially optimized interfaces and protocols, and establishing new UI patterns and user data models.