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Dev.to
Dev.to
6/16/2026
OTTO: Give your AI agent a real browser without running a browser farm

OTTO: Give your AI agent a real browser without running a browser farm

Short summary

OTTO is an open-source tool that lets AI agents control real Chrome tabs via CLI or LLM without a headless farm or cloud rental. It uses an authenticated relay and Chrome extension to let scripts and agents drive live, logged-in browser sessions while splitting token-heavy LLM operations from deterministic code. MIT licensed, MCP-compatible, with site-scoped command bundles and conservative security defaults.

  • Real browser control without headless farms or cloud rental services
  • Splits LLM reasoning from deterministic browser automation to save tokens and latency
  • MCP-compatible with site-scoped command bundles, security-first design, MIT-licensed

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