Public Browser
Chrome MCP server for Claude Code and Cursor with about 40% fewer tool calls
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If your agent burns tokens reading accessibility trees, Mantis reports roughly a third fewer tokens and calls on long tasks at the same accuracy, with its method published.
Mantis runs Chromium for an agent, numbers each interactive control on the page, and after every click returns a diff instead of the whole page. CAPTCHAs, 2FA and payments are passed back to a person. It plugs into Claude Code, Codex or Cursor as an MCP server, or can drive your own Chrome over CDP. MIT, v0.1.x beta. The benchmarks are its own and carefully caveated; canvas, maps and drawing are out of scope.
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