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Complete guide to Kernel CLI - cloud browser platform with automation, deployment, and management
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Systematically debug a Kernel cloud browser session — VM issues, network errors, Chrome crashes, page-load failures, and live-view problems. Use when a browser session misbehaves (e.g. ERR_HTTP2_PROTOCOL_ERROR, "browser not responding", blank/error pages, captcha or "checking your browser" blocks, live view not loading) and you have the session ID. Drives the Kernel CLI to inspect session status, screenshots, page state, VM logs, and network connectivity.
Generate crisp, perfectly smooth MP4 videos from a web page or animated visualization by driving headless Chromium over the Chrome DevTools Protocol (CDP) with deterministic frame-stepping, then encoding with ffmpeg and (if remote) sharing via a cloudflared tunnel. Use when asked to make/generate a demo video, explainer clip, launch/marketing animation, social teaser, or any short rendered video from a web scene — especially animated stat/timeline/diagram visualizations — and when you need to iterate on it (tweak, re-render, compare). Solves the common "the recording has hitches / judder / dropped frames" problem.
Best practices for using browser-use's open-source browser-harness with Kernel cloud browsers over CDP. Use when driving a Kernel browser from browser-harness, extracting a CDP URL from `kernel browsers create`, or running multi-step or parallel harness sessions against Kernel.
Compare two Kernel profile archives to investigate behavioral differences. Use when an issue (e.g. login failure, captcha, broken automation, vendor mismatch) reproduces on one profile but not another, or when a "good" vs "bad" profile needs to be diffed. Takes two profile IDs/names plus an issue description, downloads both archives via the Kernel CLI, and surfaces differences in cookies, storage, preferences, extensions, and login state that could explain the issue.
Profile a website for bot detection vendors using stealth vs non-stealth Kernel browsers. Use when analyzing bot detection on a website, comparing stealth effectiveness, identifying anti-bot vendors and products, or detecting challenge types.
Setup and manage Kernel authentication connections for any website (Gmail, GitHub, Outlook, or custom domains). Handles managed auth flows with automatic reauthentication support.
Basado en la clasificación ocupacional SOC
| name | kernel-cli |
| description | Complete guide to Kernel CLI - cloud browser platform with automation, deployment, and management |
The Kernel CLI provides command-line access to Kernel's cloud browser platform for browser automation, serverless app deployment, and infrastructure management.
brew install kernel/tap/kernel (>=v0.13.4)npm install -g @onkernel/cli (>=v0.13.4)KERNEL_API_KEY environment variablekernel login for interactive OAuth# Authenticate
export KERNEL_API_KEY=your_api_key
# Create a browser session
kernel browsers create -o json
# Run Playwright automation (use `return` to get a value back)
kernel browsers playwright execute <session_id> '
await page.goto("https://example.com");
return await page.evaluate(() => document.title);
'
# Take a screenshot
kernel browsers computer screenshot <session_id> --to screenshot.png
# Cleanup
kernel browsers delete <session_id>