ContextFort
Visibility and Controls for Browser Agents
ContextFort is a ContextFort is a browser-extension security product for AI browser agents. It provides visibility into agent sessions and controls to block specific actions or risky cross-site flows, and is positioned for tools like Comet, Atlas, and Claude. AI agent company selling to Security teams and operators of autonomous/browser agents. Latest disclosed round: Last known: Pre-Seed ($0). 33 followers on X.
Product
- Agent type
- ContextFort is a browser-extension security product for AI browser agents. It provides visibility into agent sessions and controls to block specific actions or risky cross-site flows, and is positioned for tools like Comet, Atlas, and Claude.
- Primary buyer
- Security teams and operators of autonomous/browser agents
- Integrations
- —
- MCP support
- —
- HQ
- San Francisco, California, US
- Founded
- 2025
- Profile ↗
Funding
- Date
- —
- Source
- Announcement ↗
- Investors
- Y Combinator
Hiring
- Employees
- —
- Growth 3m / 6m
- — / 0.0%
- Open roles (sample)
- —
- X mentions this week
- —
- X handle
- @ContextFort
Top launch posts
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Recent news
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Sources
- Headcount
- —
- Open jobs
- —
- Traffic
- —
- Pricing
- /null
- X metrics
- https://x.com/ContextFort
- X handle (homepage-verified)
- https://www.ycombinator.com/companies/contextfort | https://contextfort.ai
- Clay enrichment
- Clay enrichment 2026-11-04
- seed_type
- YC directory
- funding_status
- Last known (aggregator source)
- funding_source_type
- aggregator
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About ContextFort
What does ContextFort do?+
Visibility and Controls for Browser Agents
How much has ContextFort raised most recently?+
Last known: Pre-Seed, led by {"Y Combinator"}.
How is ContextFort priced?+
Contact sales.
Cite this data
ContextFort profile. Agent Market Map, The GTM Engineering Newsletter. Last verified Nov 4, 2026. https://agentmarketmaps.com/company/contextfort