E2B shares its vision of sandboxed, cloud environments for every AI agent after raising $21M in funding Agentic cloud infrastructure startup E2B said today it has raised $21 million in early-stage funding to build out an entirely new, open-source infrastructure for running artificial intelligence agents securely in the cloud. The startup, officially known as FoundryLabs Inc., said today’s Series A round was led by Insight Partners and saw participation from Decibel, Sunflower Capital, Kaya and w...