Otto lets Claude control real Chrome tabs from an MCP server
Otto is an open-source tool that lets Claude control a real Chrome browser tab. It includes an MCP server, so Claude can call browser actions such as opening a tab, moving to a page, extracting information, taking a screenshot, and intercepting . It works with a live Chrome tab instead of using a setup or renting a .
The main design goal is . Fixed code performs the browser actions, while Claude only decides what the next step should be. The tool is released under the MIT license and can be installed globally with npm.
Its creator has been using it to read and extract information from sites that block s.
Key points
- Otto lets Claude operate a real Chrome tab.
- The MCP server exposes browser actions that Claude can call directly.
- It supports navigation, extraction, screenshots, and network request interception.
- It avoids farms and rental.
- The design tries to reduce token use by letting code handle browser actions.