KERNELKernel
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TabstackMozilla
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Related Products
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About
KERNEL is a cloud browser infrastructure platform for developers building AI agents and browser-based automation. It provides managed browser sessions that agents can use to navigate websites, interact with page content, and perform tasks through code rather than relying on a local browser setup. The service is designed for production workloads, with persistent browser profiles, live browser viewing, session recording and replay, and controls for managing browser access. Teams can connect agent workflows through KERNEL's APIs, SDKs, and hosted MCP server, and use the platform for web research, data gathering, and other tasks that require interacting with websites. Plans for individual developers, startups, and enterprise teams include different browser concurrency, usage credits, and access to capabilities such as managed authentication, stealth mode, and regional browsers.
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About
Tabstack is a managed web API that helps developers extract data, generate structured outputs, run live-web research, and automate browser tasks through simple API calls. The platform lets users pass a URL, schema, question, or task and receive schema-matched JSON, clean Markdown, cited answers, or completed browser actions without managing an LLM, browser, scraper, or orchestration pipeline. Its endpoints support structured extraction, Markdown extraction, JSON generation, live research with citations, and web automation across JavaScript-heavy pages. Developers can use Tabstack for competitive intelligence dashboards, lead enrichment, research agents, booking and checkout agents, workflow automation, and knowledge base ingestion. The platform includes SDKs for TypeScript and Python, MCP support, CLI tools, streaming research results, human-in-the-loop automation, and privacy-focused data handling. With free credits, pay-as-you-go pricing, team plans, and enterprise options, Tabstack
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Platforms Supported
Windows
Not Supported
Mac
Not Supported
Linux
Not Supported
Cloud
Supported
On-Premises
Not Supported
iPhone
Not Supported
iPad
Not Supported
Android
Not Supported
Chromebook
Not Supported
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Platforms Supported
Windows
Not Supported
Mac
Not Supported
Linux
Not Supported
Cloud
Supported
On-Premises
Not Supported
iPhone
Not Supported
iPad
Not Supported
Android
Not Supported
Chromebook
Not Supported
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Audience
Developers and teams building AI agents, browser-based automation, web research, and other workflows that interact with websites.
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Audience
Tabstack is best suited for developers, AI agent builders, SaaS teams, data teams, automation engineers, product teams, and startups that need web extraction, live research, browser automation, structured data, Markdown conversion, and API-based access to the live web without maintaining custom scraping infrastructure
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Support
Phone Support
Not Supported
24/7 Live Support
Supported
Online
Not Supported
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Support
Phone Support
Not Supported
24/7 Live Support
Not Supported
Online
Supported
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API
Offers API
Supported
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API
Offers API
Supported
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Screenshots and VideosNo images available
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Screenshots and Videos |
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Pricing
$0/month
Free plan: $0/month plus usage charges; includes $5/month in usage credits. Hobbyist: $30/month plus usage, with $10/month in usage credits. Start-up: $200/month plus usage, with $50/month in usage credits and a free trial. Usage is charged at $0.0000166667 per GB-second; idle time and proxies are not charged. Enterprise pricing is custom.
Free Version
Supported
Free Trial
Supported
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Pricing
No information available.
Free Version
Not Supported
Free Trial
Not Supported
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Reviews/
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Reviews/
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Training
Documentation
Supported
Webinars
Not Supported
Live Online
Not Supported
In Person
Not Supported
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Training
Documentation
Supported
Webinars
Not Supported
Live Online
Not Supported
In Person
Not Supported
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Company InformationKernel
Founded: 2025
United States
www.kernel.sh/
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Company InformationMozilla
Founded: 2025
United States
tabstack.ai/
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Alternatives |
Alternatives |
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Categories |
Categories |
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Integrations
Anthropic
Supported
Claude Code
Supported
Cloudflare
Supported
Cursor
Supported
HTML
Not Supported
JSON
Not Supported
Link
Supported
Markdown
Not Supported
Model Context Protocol (MCP)
Supported
Playwright
Supported
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Integrations
Anthropic
Not Supported
Claude Code
Not Supported
Cloudflare
Not Supported
Cursor
Not Supported
HTML
Supported
JSON
Supported
Link
Not Supported
Markdown
Supported
Model Context Protocol (MCP)
Not Supported
Playwright
Not Supported
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