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Open Claude in Chrome is a free, open-source browser extension that unlocks full browser automation for Claude Code without the domain restrictions of the official extension. Perfect for developers and automation experts, it supports any Chromium browser and offers advanced features like screenshots, clicking, typing, and JavaScript evaluation with enhanced stability and no blocklists.
Description
Claude in Chrome gives Claude Code full browser automation, but blocks 58 domains (banks, Tinder, Reddit, Robinhood, Bloomberg) and only works in Chrome/Edge. I reverse-engineered it from the tool schemas. Same 18 tools, same performance. No blocklist. Any Chromium browser. Open source.
Detailed Description
Open Claude in Chrome is an open-source browser extension that provides full browser automation capabilities by reverse-engineering the official Claude in Chrome extension. Its core purpose is to enable users to harness the power of Claude Code with unrestricted access to automate browser tasks such as taking screenshots, clicking elements, typing text, and executing JavaScript code within any Chromium-based browser, including Chrome and Edge. Unlike the original Claude in Chrome extension, which blocks access to 58 specific domains including major banks, Tinder, Reddit, Robinhood, and Bloomberg, Open Claude in Chrome removes these restrictions, offering a more flexible and comprehensive automation experience. The tool was developed by reverse-engineering the tool schemas and the MCP protocol used by Chromium extensions, resulting in a faithful reimplementation that maintains the same 18 integrated tools and performance levels as the official extension. It consists of approximately 2,200 lines of open-source code, enabling transparency and community contributions. During its development, six production bugs present in the original extension were identified and fixed, enhancing stability and reliability. Key features include full browser automation capabilities such as capturing screenshots, simulating user interactions like clicking and typing, and evaluating JavaScript code dynamically within web pages. This makes it a powerful assistant for developers, testers, and automation enthusiasts who require precise control over browser behavior. Open Claude in Chrome is best suited for developers, QA engineers, researchers, and power users who need advanced browser automation without the limitations imposed by domain blocklists. It is particularly useful for those working with web scraping, automated testing, or custom workflows that involve interacting with a wide range of websites, including those blocked by the original extension. Additionally, since it supports any Chromium-based browser, users are not restricted to Chrome or Edge alone, providing greater flexibility in their choice of environment. The tool is completely free to use, with no paid plans or subscriptions, making it accessible to individuals and organizations alike. Being open-source, it also invites contributions and modifications from the community, fostering continuous improvement and adaptation to evolving user needs. Compared to alternatives, Open Claude in Chrome stands out by offering an unrestricted, open-source alternative to the official Claude in Chrome extension, which limits domain access and browser compatibility. Its reverse-engineered MCP protocol implementation and bug fixes provide a more robust and versatile solution. While other browser automation tools exist, few combine the ease of integration with Claude Code and the level of control provided by this extension, especially without domain restrictions. However, users should be aware of some considerations. Since it is a reverse-engineered tool, it may not have official support or guarantees from the original Claude developers. Users should also exercise caution when automating interactions on sensitive websites, especially those involving personal or financial data, as automation can introduce security and privacy risks. Additionally, the tool currently supports only Chromium-based browsers, so users of Firefox, Safari, or other browsers will not be able to use it. Finally, while the removal of domain blocklists increases flexibility, it may also expose users to sites that the original extension intentionally restricted for security or compliance reasons, so discretion is advised. Overall, Open Claude in Chrome is a powerful, free, and open-source browser automation extension that expands the capabilities of Claude Code by removing domain restrictions and supporting any Chromium browser. It is ideal for developers and automation professionals seeking a reliable and unrestricted tool for browser-based workflows.
Tool Features
- Full browser automation including screenshots, clicking, typing, and JavaScript evaluation
- Unrestricted reimplementation of the official Claude in Chrome extension
- Open-source with 2,200 lines of code
- Reverse-engineered MCP protocol for Chromium extensions
- Removes domain blocklist restrictions present in the original extension
- Discovered and fixed six production bugs during development
Description
Open Claude in Chrome is a free, open-source browser extension that unlocks full browser automation for Claude Code without the domain restrictions of the official extension. Perfect for developers and automation experts, it supports any Chromium browser and offers advanced features like screenshots, clicking, typing, and JavaScript evaluation with enhanced stability and no blocklists.
Claude in Chrome gives Claude Code full browser automation, but blocks 58 domains (banks, Tinder, Reddit, Robinhood, Bloomberg) and only works in Chrome/Edge. I reverse-engineered it from the tool schemas. Same 18 tools, same performance. No blocklist. Any Chromium browser. Open source.
Detailed Description
Open Claude in Chrome is an open-source browser extension that provides full browser automation capabilities by reverse-engineering the official Claude in Chrome extension. Its core purpose is to enable users to harness the power of Claude Code with unrestricted access to automate browser tasks such as taking screenshots, clicking elements, typing text, and executing JavaScript code within any Chromium-based browser, including Chrome and Edge. Unlike the original Claude in Chrome extension, which blocks access to 58 specific domains including major banks, Tinder, Reddit, Robinhood, and Bloomberg, Open Claude in Chrome removes these restrictions, offering a more flexible and comprehensive automation experience. The tool was developed by reverse-engineering the tool schemas and the MCP protocol used by Chromium extensions, resulting in a faithful reimplementation that maintains the same 18 integrated tools and performance levels as the official extension. It consists of approximately 2,200 lines of open-source code, enabling transparency and community contributions. During its development, six production bugs present in the original extension were identified and fixed, enhancing stability and reliability. Key features include full browser automation capabilities such as capturing screenshots, simulating user interactions like clicking and typing, and evaluating JavaScript code dynamically within web pages. This makes it a powerful assistant for developers, testers, and automation enthusiasts who require precise control over browser behavior. Open Claude in Chrome is best suited for developers, QA engineers, researchers, and power users who need advanced browser automation without the limitations imposed by domain blocklists. It is particularly useful for those working with web scraping, automated testing, or custom workflows that involve interacting with a wide range of websites, including those blocked by the original extension. Additionally, since it supports any Chromium-based browser, users are not restricted to Chrome or Edge alone, providing greater flexibility in their choice of environment. The tool is completely free to use, with no paid plans or subscriptions, making it accessible to individuals and organizations alike. Being open-source, it also invites contributions and modifications from the community, fostering continuous improvement and adaptation to evolving user needs. Compared to alternatives, Open Claude in Chrome stands out by offering an unrestricted, open-source alternative to the official Claude in Chrome extension, which limits domain access and browser compatibility. Its reverse-engineered MCP protocol implementation and bug fixes provide a more robust and versatile solution. While other browser automation tools exist, few combine the ease of integration with Claude Code and the level of control provided by this extension, especially without domain restrictions. However, users should be aware of some considerations. Since it is a reverse-engineered tool, it may not have official support or guarantees from the original Claude developers. Users should also exercise caution when automating interactions on sensitive websites, especially those involving personal or financial data, as automation can introduce security and privacy risks. Additionally, the tool currently supports only Chromium-based browsers, so users of Firefox, Safari, or other browsers will not be able to use it. Finally, while the removal of domain blocklists increases flexibility, it may also expose users to sites that the original extension intentionally restricted for security or compliance reasons, so discretion is advised. Overall, Open Claude in Chrome is a powerful, free, and open-source browser automation extension that expands the capabilities of Claude Code by removing domain restrictions and supporting any Chromium browser. It is ideal for developers and automation professionals seeking a reliable and unrestricted tool for browser-based workflows.
Frequently Asked Questions
What is Open Claude in Chrome?
Open Claude in Chrome is an open-source browser extension that provides full browser automation capabilities for Claude Code by reverse-engineering the official Claude in Chrome extension. It removes domain blocklists and supports any Chromium-based browser.
How much does Open Claude in Chrome cost?
Open Claude in Chrome is completely free to use with no paid plans or subscriptions.
Who is Open Claude in Chrome best for?
It is best suited for developers, QA engineers, researchers, and power users who require advanced browser automation without domain restrictions, especially those working with web scraping, automated testing, or custom workflows.
What are the main features of Open Claude in Chrome?
Key features include full browser automation such as taking screenshots, clicking, typing, JavaScript evaluation, an unrestricted reimplementation of the official extension, open-source codebase, reverse-engineered MCP protocol support, removal of domain blocklists, and bug fixes for improved stability.
Does Open Claude in Chrome offer a free trial?
Since Open Claude in Chrome is free and open-source, there is no need for a trial period; users can use it fully at no cost.
What integrations does Open Claude in Chrome support?
Open Claude in Chrome integrates with Claude Code tools and supports any Chromium-based browser such as Chrome and Edge, enabling automation across a wide range of websites without domain restrictions.
How does Open Claude in Chrome work?
It works by reverse-engineering the official Claude in Chrome extension’s tool schemas and MCP protocol to provide full browser automation capabilities. It enables interaction with web pages through screenshots, clicks, typing, and JavaScript evaluation, all within Chromium browsers, without blocking any domains.
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