browser use is an important primitive for agents, but it's hard on the agent's context window:
1. tasks are long running, w/ tons of sequential tool calls
2. web pages carry a lot of content that's irrelevant to the task
so tool design really matters. we chose @Stagehanddev from @browserbase, a toolset built for agents navigating the web.
this blog dives into how we selected that toolset, and how we upstreamed optimizations we found from looking at suboptimal agent trajectories in langsmith traces
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