Mantis
A browser for coding agents that cuts tokens by sending only what changed
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Public Browser
Chrome MCP server for Claude Code and Cursor with about 40% fewer tool calls
If your agent burns tokens driving Playwright MCP, this MIT server talks CDP directly, uses your real Chrome profile and cuts calls and cost by a quarter to a third on its benchmark.
Public Browser is an MIT-licensed MCP server that lets Claude Code and Cursor drive Chrome over the DevTools Protocol directly, with no extension or Playwright dependency. Element references come from the accessibility tree and survive DOM changes, plans run server-side across tabs, real Chrome profiles work, and a Python API gives repeatable runs. On its own 30-task suite against Playwright MCP it reports 41% fewer tool calls, 30% fewer tokens and 40% faster completion at equal pass rates. npx install. 351 commits and 2,360 tests, but 7 stars, a pseudonymous author and 2 HN points.
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