Lightsage

Raised $4M, announced 8 September 2026.

Round

Lightsage announced $4 million led by Nexus Venture Partners to build infrastructure helping software products become discoverable and usable by AI agents.

Amount
$4M
Announced
8 September 2026
Lead
Nexus Venture Partners
Other investors
Steven Tamm, Abhinav Asthana, Matt Curl, Robert Chatwani, Hila, Zeno, Eric, Ivan, Shuhao, Adam Frankl
Use of funds
Deepen agent evaluation, analytics, attribution and optimization capabilities across APIs, SDKs, CLIs, MCP servers and agent skills.
Checked
Announced by the company

Company

Helps software companies optimize products for discovery and use by AI agents

Based in
San Francisco
Sector
AI
Website
lightsage.com ↗

Founders

  • Sean (Wen Han) Erfounder
  • Jun Liang LeeCEO and Co-Founder

Sources and links

Sources
Lightsage raises $4M to build the growth stack for internet’software’s newest customer: AI agents globenewswire.com
Lightsage raises $4M to build the growth stack for software’s newest customer thenextweb.com
Website
lightsage.com ↗
MediaBoost

Just raised?

MediaBoost gets your round in front of the press, future hires and your next investors.

Announce your round with MediaBoost