Sierra acquires Anon to add browser tools for AI agents

Nov 6, 2026
Sierra acquired Anon, which provides browser and authentication infrastructure that lets enterprise AI agents sign in to websites, navigate portals and complete forms when APIs are unavailable.

Sierra acquired Anon, which provides browser and authentication infrastructure for enterprise AI agents, according to a company blog post. Anon's team and technology will join Sierra.

Anon lets agents sign in to websites, navigate portals and complete forms when APIs are unavailable. Its technology includes authentication, credential handling, browser infrastructure, an agent framework and a software development kit.

Sierra plans to use the technology with its Horizon agents, which complete tasks across multiple systems over extended periods. Anon previously raised more than $13 million and served hundreds of customers, including companies in banking, healthcare and enterprise software.

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