Scalebrowser Blog
Sign in · Oct 5, 2026 · 6 min readAutomate 2FA for an AI agent: 6 digits every 30 seconds
How an AI agent passes two-factor authentication: the 6-digit TOTP code computed per RFC 6238 inside its profile, and why cloud guides say to disable 2FA.
Infrastructure · Oct 4, 2026 · 6 min readAccessibility tree for LLM agents: 462 tokens per step
What the accessibility tree is, why LLM agents read it instead of HTML, what a page map built from it costs per step, and how it catches a page's error message.
Infrastructure · Oct 3, 2026 · 7 min readCloud browser or local browser for AI agents?
What a cloud browser for AI agents costs at 5 vendors: session caps, hour and gigabyte meters, GPU and fingerprint, set against a browser on your own machine.
Infrastructure · Sep 25, 2026 · 7 min readBrowser agents: how sites detect them and how to pass
What a browser agent is, the 4 layers a site reads to detect the browser it drives, which stacks exist today, and what stops an agent after detection.
Sign in · Sep 25, 2026 · 5 min readAI agent login: the 4 walls before a signed-in session
How an AI agent signs in to websites and stays signed in: the second factor, the emailed code, the passkey and the lost session, each with what we measured.
Detection · Sep 25, 2026 · 5 min readBehavioral biometrics: 11 mouse measures against 120 people
How behavioral biometrics tell an automated mouse and keyboard from a person, the 11 pointer measures we track against 120 people, and the 5 still outside.
Detection · Sep 25, 2026 · 6 min readBot detection: 4 layers that flag an agent's browser
How bot detection reads a browser on 4 layers before and after the page loads, how the layers add up to one verdict, and where our own runs went wrong.
Detection · Sep 25, 2026 · 5 min readBrowser fingerprint test sites: what 8 detectors check
8 browser fingerprint test sites and what each one reads, how long each takes, and the results that flag even a real Chrome if the test is set up wrong.
Detection · Sep 25, 2026 · 5 min readWhat browser fingerprinting reads
What browser fingerprinting reads, which values have to agree with each other, why a random value stands out, and how to check your own browser.
Infrastructure · Sep 25, 2026 · 7 min readBrowser MCP servers compared: tokens per step across 6 tools
Six browser MCP servers measured on live pages: tokens to see a page, tokens per step, the tool list's fixed cost, and which server fits which job.
Infrastructure · Sep 25, 2026 · 5 min readA Browserbase alternative on your own machine
Browserbase compared with a browser on your own machine for AI agents: session length, billing, proxies, fingerprint, second factor and passkeys, as documented.
Stealth tools · Sep 25, 2026 · 5 min readCamoufox review: Firefox patches and a new device per launch
What Camoufox's C++ Firefox patches do well, why a new fingerprint at every launch hurts a returning login, and the 2025 build 63.4% of downloads still run.