Chrome 136 ignores --remote-debugging-port on your default profile. Here is how to drive your logged-in Chrome anyway
Why the flag stopped working, what the two sanctioned workarounds cost you, and how an extension with native messaging reaches the real profile. With per-command timings.
Running an AI browser agent in the Chrome you are already logged into
Headless profiles, copied profiles, exported cookies and extension bridges compared: what stays signed in, what breaks (passkeys, 2FA), and what it means for CLI logins.
Why AI browser agents are slow, measured step by step
Where a real run spends its time: deep-model escalations, page observation, and the model round trips that turn out to be the smallest part. What a replay cache changes, and where it did not help.
The missing piece for AI browser agents
Why browser agents feel slow, what Jev (TypeSafe's System One model) changes about each decision, and why making it work on every website is the hard part.