Launch HN: SIM Studio (YC X25) – Figma-Like Canvas for Agent Workflows

Hey HN! We're Emir and Waleed from Sim Studio ( https://simstudio.ai ). We did a Show HN a few weeks ago about our open-source project ( https://news.ycombinator.com/item?id=43823096 ). Today, we’re launching our hosted platform—a collaborative interface to build and deploy agent workflows. We just removed the waitlist (with 5,000+ people) and you can sign up and access it at: https://simstudio.ai Sim Studio lets you build agents with different models, tools, and custom functions. In minutes, you can deploy a research agent. Demo here - https://youtu.be/F6MqNvnfxbI We started working on Sim Studio because we were frustrated with agent frameworks that required excessive boilerplate code and unhelpful abstractions (like agent roles and backstories). We also tried other visual interfaces, but found them difficult to set up and too limited for production use cases. Specifically, we wanted the ability to write custom functions, force tool calls, and run parallel execution. We’re taking a ... Read full article.