as a guest · Sep 22, 2026 · 8 sites · 4 agents
Can your AI agent check out as a guest?
siteMuse4 of 8Grok Bot3 of 8Browser Use2 of 8Instinct1 of 8
an agent got through5
Booking.comMuse: reachedGrok Bot: reachedBrowser Use: reachedInstinct: reached
Muse
Reached checkout
Grok Bot
Reached checkout
Browser Use
Reached checkout
Instinct
Reached checkout
KayakMuse: reachedGrok Bot: reachedBrowser Use: didn't finishInstinct: didn't finish
Muse
Reached checkout
Grok Bot
Reached checkout
Browser Use
Didn't finish, stuck at airline checkout
Instinct
Didn't finish, stuck at airline checkout
Book a Flight
ExpediaMuse: reachedGrok Bot: reachedBrowser Use: bot checkInstinct: bot check
Muse
Reached checkout
Grok Bot
Reached checkout
Browser Use
Bot check at the door
Show us your human side... · We can't tell if you're a human or a bot.
Instinct
Bot check at the door
Show us your human side... We can't tell if you're a human or a bot.
NikeMuse: reachedGrok Bot: site errorBrowser Use: site errorInstinct: didn't finish
Muse
Reached checkout
Grok Bot
Site error at search
We had an issue with your request. If you continue experiencing issues, try refreshing the page.
Browser Use
Site error at checkout
Error · Sorry, we had an issue with your request. Please try again. · [Code: AF8774E4 ]
Instinct
Didn't finish, stuck at the cart
There are no items in your bag.
Best BuyMuse: silent blockGrok Bot: silent blockBrowser Use: reachedInstinct: silent block
Muse
Silent block on the item page
Clicking three different product links (NOCO XC3 10FT, NOCO XGrid XC3 sponsored result, Best Buy essentials 10' USB-C cable) all produced a browser error page: 'This site can't be reached ... ERR_HTTP2_PROTOCOL_ERROR'.
Grok Bot
Silent block on the item page
This site can't be reached — ERR_HTTP2_PROTOCOL_ERROR
Browser Use
Reached checkout
Instinct
Silent block on the item page
This site can’t be reached
no agent got through3
CostcoMuse: sign-in wallGrok Bot: sign-in wallBrowser Use: sign-in wallInstinct: didn't finish
Muse
Sign-in wall at checkout
Sign In. Email Address. Password. Sign In. Need an account? Create Account. Not a Costco member? Join Today! Non-members will be assessed a 5% surcharge on orders.
Grok Bot
Sign-in wall at checkout
Sign In — Email Address — Password
Browser Use
Sign-in wall at checkout
Sign In · Email Address · visibility · Password · Forgot Password?
Instinct
Didn't finish, stuck at the cart
2-Day Delivery Out of Stock
AmazonMuse: policy blockGrok Bot: sign-in wallBrowser Use: sign-in wallInstinct: sign-in wall
Muse
Policy block at the door
Continued access by an unauthorized AI agent violates Amazon's Conditions of Use, to which our customers agree.
Grok Bot
Sign-in wall at checkout
Sign in or create account
Browser Use
Sign-in wall at checkout
Sign in or create account · Enter mobile number or email
Instinct
Sign-in wall at checkout
Sign in or create account
WalmartMuse: sign-in wallGrok Bot: bot checkBrowser Use: sign-in wallInstinct: sign-in wall
Muse
Sign-in wall at checkout
Sign in or create your account. Not sure if you have an account? Enter your phone number or email and we'll check for you. Phone number or email (required). Continue
Grok Bot
Bot check at search
Robot or human? Activate and hold the button to confirm that you’re human. Thank You!
Browser Use
Sign-in wall at checkout
Sign in or create your account · Not sure if you have an account? Enter your phone number or email and we'll check for you.
Instinct
Sign-in wall at checkout
Sign in or create your account