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ContextFort (YC S25) — 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 is a Y Combinator company in the Summer 2025 batch. Its directory entry describes it as: Visibility and Controls for Browser Agents. The founder listed is Ashwin Ramachandran (Founder/CEO) (Y Combinator directory entry, July 31, 2025).

6 more companies from YC Summer 2025 ↓

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ContextFort

New accelerator entry · 2025-07-31 · the record

Summer 2025
batch
2
people
Early
stage
United States of America
region
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What the record says

BatchSummer 2025
Announced2025-07-31
StageEarly
StatusActive
Team size2
IndustryB2B
Sub-industryB2B -> Security
SectorsCybersecurity, AI
RegionsUnited States of America, America / Canada
BasedSan Francisco, CA, USA
HiringNo
Sitehttps://contextfort.ai/

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Also in YC Summer 2025

Same batch, B2B first.

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In their words

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

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ContextFort: Accepted into Y Combinator Summer 2025
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Permanent URL: https://mentionfox.com/funding/yc-contextfort
Last updated 2026-10-20
Primary record: Y Combinator directory entry
ContextFort (YC S25) — Visibility and controls for browser agents. MentionFox, 2026-10-20. https://mentionfox.com/funding/yc-contextfort