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Pentagon

YC X26

Salt Lake City, US · Founded 2026 · 1 employees · 2 known investors

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Pentagon is a workspace platform that enables AI agents to communicate, coordinate, and collaborate as a team to complete work. The product serves organizations deploying multiple AI agents that need structured coordination, task management, and human oversight capabilities.

Also known as Arlington Labs, Inc.

AI & Machine LearningDeveloper ToolsEnterprise SoftwareFuture of WorkUnited States of AmericaAmerica / Canada

Founders & leadership· Y Combinator alumni (X26)

Pentagon was founded in 2026 by Edgar Pavlovsky.

EPEdgar Pavlovsky
Edgar PavlovskyFounderEdgar Pavlovsky founded Pentagon, a platform for agent-native workflows. Previously, he founded marginfi, a DeFi lending protocol on Solana, and mtndao, a Solana builder community, as well as earlier ventures in trading and logistics. He worked at Uber and Goldman Sachs earlier in his career.
BW
Barrett Williams

Investors · 2

Blast.Clubreported$5.5M

How we know: Y Combinator's founder network · Not right? Tell us

Legal entities · 1

corporate structure
Arlington Labs, Inc.

In the news

Pentagon - A coordination layer for humans and agents.ycombinator.com · May 2026

Frequently asked questions

What does Pentagon do?
Pentagon is a workspace platform that enables AI agents to communicate, coordinate, and collaborate as a team to complete work. The product serves organizations deploying multiple AI agents that need structured coordination, task management, and human oversight capabilities.
Who founded Pentagon?
Pentagon was founded by Edgar Pavlovsky in 2026.
Who are Pentagon's investors?
Pentagon's investors include Y Combinator, Blast.Club.
Where is Pentagon headquartered?
Pentagon is headquartered in Salt Lake City, US.