silicon
browser.

most reliable browser cli
for your ai agent
$ npm install -g silicon-browser && silicon-browser install
stealth

stealth by
default.

CloakBrowser's 33 C++ patches at the Chromium source level. Not JavaScript injection — binary-level stealth that anti-bot systems cannot detect because there is nothing to detect.

check
playwright
silicon
BrowserScan WebDriver
Robot
Normal
BrowserScan CDP
Robot
Normal
BrowserScan Headless Chrome
Robot
Normal
BrowserScan Navigator
Robot
Normal
bot.sannysoft.com
Fail
Pass
Shopify login
Blocked
Works
Cloudflare Turnstile
Fail
Pass
layer 01

CloakBrowser

33 C++ patches in Chromium. TLS, WebGL, Canvas, Audio — undetectable at engine level.

layer 02

Chrome Flags

AutomationControlled off. WebRTC sealed. Fingerprint seed per profile.

layer 03

JS Injection

window.chrome, Permissions API, CDP cleanup. Defense-in-depth.

layer 04

HTTP Headers

Sec-Fetch-*, Accept headers. Coherent with actual browser version.

interaction

refs, not
selectors.

Every element gets a ref like @e1, @e2. No CSS selectors. No XPath. Snapshot, see refs, interact. 93% fewer tokens.

$ silicon-browser open https://shopify.com $ silicon-browser snapshot -i @e1 link "Home" @e2 button "Sign In" @e3 input "Email" @e4 button "Continue" $ silicon-browser fill @e3 "hello@example.com" $ silicon-browser click @e4 ✓ Log in — Shopify
identity

profiles.
like a real person.

Each profile gets its own cookies, storage, and pinned fingerprint. Same profile = same identity. Different profile = different person. Incognito = no traces.

# default "silicon" profile — always there $ silicon-browser open https://example.com # named profiles $ silicon-browser --profile work open https://shopify.com $ silicon-browser --profile personal open https://github.com # throwaway $ silicon-browser --incognito open https://example.com $ silicon-browser profile list ● silicon [23 MB] (fingerprint: 89993) ● work [9 MB] (fingerprint: 23430) ● personal [9 MB] (fingerprint: 42809)
sync

secure push
/ clone.

Login on your laptop. Use the session on your server. No SSH keys. No cloud. Just a URL and a 6-digit OTP. Auto-tunneled.

your mac
$ silicon-browser --profile work --headed open https://shopify.com # login manually, solve captchas, 2FA... $ silicon-browser close $ silicon-browser push work ● Serving 'work' Public: https://a1b2.lhr.life OTP: 483921 ✓ Sent!
→
your server
$ silicon-browser clone https://a1b2.lhr.life OTP: 483921 ✓ Cloned profile 'work' # already logged in — no captcha, no 2FA $ silicon-browser --profile work open https://shopify.com/admin ✓ Shopify Admin

AES-256-GCM encrypted. Auto-tunneled via localhost.run. Server shuts down after one transfer.

for agents

SKILL.md

593 lines. Everything an AI agent needs. Drop it in your agent's context.

download
view on github
commands

50+

# navigate silicon-browser open <url> silicon-browser back / forward / reload silicon-browser close # see silicon-browser snapshot -i silicon-browser screenshot silicon-browser get text @e1 # interact silicon-browser click @e1 silicon-browser fill @e2 "text" silicon-browser select @e3 "option" silicon-browser press Enter silicon-browser scroll down # sync silicon-browser push <name> silicon-browser clone <url> silicon-browser pull <name>
compatibility

works with everything.

Claude Code. Cursor. GitHub Copilot. OpenAI Codex. Google Gemini. Any agent that runs shell commands.