TL;DR: ContextFort is a Y Combinator Summer 2025 startup Visibility and Controls for Browser Agents, currently active with a team of 2.
Visibility and Controls for Browser Agents
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ContextFort gives security teams visibility and controls for AI browser agents. It’s a Chrome extension that: Detects when an AI agent takes control of the browser Records every action during the session (pages visited, clicks, text entry) Provides controls to prevent risky actions and cross-site data leakage
Built by LemStudio
Yes. ContextFort was funded by Y Combinator in the Summer 2025 batch. Visibility and Controls for Browser Agents
ContextFort gives security teams visibility and controls for AI browser agents. It’s a Chrome extension that: Detects when an AI agent takes control of the browser Records every action during the session (pages visited, clicks, text entry) Provides controls to prevent risky actions and cross-site data leakage
ContextFort was part of Y Combinator's Summer 2025 batch.
ContextFort has a team of 2 people according to Y Combinator's directory.
ContextFort is currently listed as Active with a team of 2 in Y Combinator's directory.
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