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Show HN: Browser Harness – Gives LLM freedom to complete any browser task

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Re: Show HN: Browser Harness – Gives LLM freedom to complete any browser task

#12
post #2

That's pretty good, I've achieved pretty much the same thing using the vercel's agent-browser, but I've tried playwright and it worked easily as good. Its good for scraping, automating stuff in the browser.

agent-browser uses playwright so it struggles with things like cross-origin-iframes - on the other hand, browser harness uses raw cdp, which is unrestrictive. It's discussed in this blog post! https://browser-use.com/posts/bitter-lesson-agent-harnesses

Re: Show HN: Browser Harness – Gives LLM freedom to complete any browser task

#13

I submitted a remote code execution to the browser-use about 40 days ago. GHSA-r2x7-6hq9-qp7v I am a bit stunned by the lack of response. Any safety concerns in this project?

Hey! Where did you submit this exactly? Can you provide a link? Will ask others on the team also, but I am not sure what you are referring to.

Re: Show HN: Browser Harness – Gives LLM freedom to complete any browser task

#16
post #7

Sawyer Hood's dev-browser[0] allows the browser to write playwright JS code directly. Do you have cases where his approach fails and yours works? [0] https://github.com/SawyerHood/dev-browser

PW is usually easier to detect. Using raw CDP is in our opinion much better for this.

Re: Show HN: Browser Harness – Gives LLM freedom to complete any browser task

#18

> The new paradigm? SKILL.md + a few python helpers that need to have the ability to change on the fly. [...] What would you call this new paradigm? A dialect? It's called "agentic coding" for all I know, and isn't a new paradigm, the whole purpose with agentic coding is that it uses tools to do their thing, then those tools could be structured as the good old JSON schema tools next to the implemented runtime, or as…

IIUC the point is that the agent has the ability to modify itself? So one possible term could be "self-evolving" or "self-modifying agent".

Re: Show HN: Browser Harness – Gives LLM freedom to complete any browser task

#19

> The new paradigm? SKILL.md + a few python helpers that need to have the ability to change on the fly. [...] What would you call this new paradigm? A dialect? It's called "agentic coding" for all I know, and isn't a new paradigm, the whole purpose with agentic coding is that it uses tools to do their thing, then those tools could be structured as the good old JSON schema tools next to the implemented runtime, or as…

IIUC the point is that the agent has the ability to modify itself? So one possible term could be "self-evolving" or "self-modifying agent".

Any agent that accepts "work in this working directory" (which AFAIK, all of them do) have had this ability, even the initial GPT2/3 experiments around matching LLMs with primitive tool-calling.

Re: Show HN: Browser Harness – Gives LLM freedom to complete any browser task

#20
post #7

Sawyer Hood's dev-browser[0] allows the browser to write playwright JS code directly. Do you have cases where his approach fails and yours works? [0] https://github.com/SawyerHood/dev-browser

PW is usually easier to detect. Using raw CDP is in our opinion much better for this.

We published a survey of stealth browsers just yesterday https://botforensics.com/blog/stealth-browser-survey-april-2...

There's still plenty that Browser-Use could improve in terms of stealthiness.

We didn't detect it using CDP (good!) but can still detect that it is Browser-Use.

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