Why Playwright MCP Cost Us 5 More Tokens Than We Expected
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We built an open-source browser automation MCP because we wanted something simple: Observe a webpage once, let an LLM interact with it, then export a Playwright script that actually works. That sounds straightforward. It wasn't. While benchmarking against Playwright MCP, we discovered something we hadn't considered: observation quality isn't the biggest contributor to cost. Iteration is. The expensive part isn't making the browser agent click buttons. It's making the generated automation…
1Key Takeaways
- We built an open-source browser automation MCP because we wanted something simple: Observe a webpage once, let an LLM interact with it, then export a Playwright script that actually works.
- While benchmarking against Playwright MCP, we discovered something we hadn't considered: observation quality isn't the biggest contributor to cost.
- The expensive part isn't making the browser agent click buttons.
- It's making the generated automation….
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3Why it matters
Coding AI shifts how fast software ships and how much human review each change needs. DEV — AI reports that we built an open-source browser automation MCP because we wanted something simple: Observe a webpage once, let an LLM interact with it, then export a Playwright script that actually works.
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