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Captain

Give AI agents accurate knowledge search that scales

Y CombinatorWinter 2026ActiveB2BInfrastructureB2BAPIData EngineeringInfrastructure

What they do

Problem

AI agents and teams struggle to accurately search and retrieve relevant information from large, multimodal unstructured datasets across disparate file storage systems.

Solution

Captain provides a high-accuracy, scalable multimodal file search and indexing engine for AI agents that connects to sources like S3, SharePoint, and Google Drive and outperforms standard RAG pipelines.

Who it's for

AI agent builders and enterprise teams needing accurate knowledge retrieval over large unstructured file repositories.

Founders

Lewis Polansky
CEO/Co-Founder

CEO @ Captain, Prev. IEEE, Founded CyberSpace (CTF hacking group), Recognized by the U.S. Congress for leadership in community software projects, Avid designer, Dropped out of Purdue

Edgar Babajanyan
Co-Founder and CTO

CTO @ Captain | Published AI NLP Researcher | Built OCR engines @ Boar's Head | Scaled high-performance RAG pipelines for the past 4 years | Built a Cross Region L2 Datacenter

Company timeline

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