G-Master: Deep Think for Gemini icon

G-Master: Deep Think for Gemini

by olderonion · Tools
Manifest V3 Free
View in Chrome Web Store Data as of 21 Oct 2026

Injecting Soul into Gemini: Multi-turn Deep Think, System Prompts, and Search Engines.

Users
13
+4 in 30 days
Rating
0.0 / 5
unchanged in 30 days
Ratings
0
0 in 30 days
Store rank
#185K
#154K among extensions
Version
1.3.1
updated 5 Apr 2026

Users

monthly, 7 months
0613Mar 2026Jul 2026Oct 2026
Latest, 21 Oct 2026: 13 usersMove the mouse over the chart for any month

Ratings count

monthly, 7 months
001Mar 2026Jul 2026Oct 2026
Latest, 21 Oct 2026: 0 ratingsMove the mouse over the chart for any month

The Chrome Web Store rounds user counts down to the leading digit, so the user line moves in steps. The ratings count is exact and is the better signal of real adoption.

About G-Master: Deep Think for Gemini

G-Master Product Description G-Master is a high-security, high-performance browser extension built on the Manifest V3 standard, exclusively designed to unlock the full potential of your Gemini AI experience. It is developed with widely trusted, enterprise-grade tech stacks including React 18, TypeScript 5.x and Vite, and is fully open source under the MIT License, ensuring complete code transparency, no hidden security risks, and full user control. 1. Core Purposes of G-Master 1.1 To equip Gemini with true multi-turn deep thinking capabilities, driving the large language model to complete autonomous deduction, self-correction, and multi-round reasoning loops that are not available in the standard version of Gemini. 1.2 To provide fully customizable system prompt management, allowing you to seamlessly inject persistent system context, custom AI roles, and fixed instruction sets into every Gemini conversation, eliminating the need to repeatedly enter basic setup content for each new chat. 1.3 To deliver real-time context and intelligence level monitoring, with an intuitive visual panel that tracks context usage and Gemini's reasoning intelligence level in real time, giving you full visibility into the AI's working status during every interaction. 1.4 To break the time and information limitations of the base Gemini model through the built-in Tavily web search engine, enabling the AI to access the latest real-time online information and provide accurate, up-to-date answers to your queries. 1.5 To support a local sandbox workspace, allowing you to run sandboxed JavaScript code and interact directly with your local files within the Gemini interface, expanding the AI's practical application capabilities for development, work, and daily tasks. 2. Key Reasons to Install G-Master 2.1 Significant performance improvement for all your Gemini tasks. When you enable G-Master's deep think loop, Gemini's overall task execution performance increases by more than 40%. Specifically, its complex logic processing ability rises by 41%, hallucination rate drops by 83% to below 2%, and the one-pass success rate for code writing increases by 60%, transforming standard Gemini into a far more reliable, accurate, and powerful AI tool. 2.2 Advanced reasoning architecture that standard Gemini does not offer. G-Master replaces the single linear thought chain of standard Gemini with an advanced tree-branching reasoning structure, supported by a professional engineered think-feedback loop. This structure allows the AI to conduct multi-dimensional reviews, verify information through its built-in toolchain, and fix logical flaws before delivering the final answer, ensuring more rigorous, comprehensive, and high-quality results for every query you submit. 2.3 Industry-leading security and wide compatibility. Built on Manifest V3, the latest and most secure browser extension specification, G-Master works seamlessly with all mainstream Chromium-based browsers. The project's open-source MIT License means the full code is available for public audit, with no unauthorized data collection or hidden backdoors, fully protecting your privacy and data security during use. 2.4 Zero learning curve and flexible personalized customization. G-Master integrates natively into the Gemini web interface, with no complicated setup or learning process required. You can easily customize system prompts, toggle deep think mode on and off, and enable or disable search and local workspace features with a single click, tailoring your AI experience to your exact needs for work, study, development, or daily use. 2.5 Developer-friendly design and ongoing support. The project provides a complete, easy-to-follow developer guide, with simple commands for dependency installation, development mode startup, and production extension building. The permissive MIT License also allows developers to freely modify, distribute, and build secondary features based on the project, with continuous technical support from the G-Master development team. G-Master does not just add extra features to Gemini—it injects a complete, self-optimizing thinking framework into the AI, turning every one of your conversations into a more intelligent, accurate, and efficient experience.

Growth

WindowUsersChangeRatingsRating
7 days+3+30.0%00.00
30 days+4+44.4%00.00
6 months+9+225.0%00.00

Version history

2 versions recorded
1.3.15 Apr 2026
1.1.031 Mar 2026

Details

Category
Tools
First seen
31 Mar 2026
Size
309 KB
Languages
en, zh-CN
Pricing
Free
Privacy policy
github.com
Support
github.com
Extension ID
efhfakejohppinhadlpingboabcdgnhb

Permissions and risk

Low riskimpact 1, likelihood 2
Permissions
storage
Site access
https://api.tavily.com/*

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