Lightsage gets $4M in funding to help software makers sell directly to autonomous AI agents

San Francisco startup Lightsage has raised $4M in seed funding to establish a growth stack for software to be selected by autonomous AI agents. This new category, termed Agent-Led Growth, aims to help software makers sell directly to artificial intelligence. Nexus Venture Partners led the round, with participation from angel investors including Steven Tamm, Abhinav Asthana, Matt Curl, and Robert Chatwani. The funding will support the company's mission to enable software discovery by AI agents.