Gemini CLI Extensibility and Customization Guide
Blink28627 Joulu 2025

Gemini CLI Extensibility and Customization Guide

The Google Gemini CLI is an open-source terminal assistant designed for high levels of extensibility and customization. Users can expand its capabilities through a pluggable extension system, custom slash commands, and integration with Model Context Protocol (MCP) servers for external data access. Advanced control is provided by a lifecycle hook system and a declarative policy engine that manages tool execution safety. The assistant's behavior and persona can be further refined using hierarchical context files (GEMINI.md) or by completely overriding the system prompt. For professional environments, the CLI supports enterprise-grade security, including sandboxed tool execution, centralized configuration, and administrative allowlists. Additionally, the tool offers a headless mode for automation and IDE integrations to streamline developer workflows directly within the editor.

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Blink’s Core Overflow Geometry: Clipping, Visual, and Scrollable Rectangles

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The provided text explains Blink’s core overflow geometry system, which uses three specialized rectangles to manage how web content extends beyond its defined boundaries. The OverflowClipRect acts as ...

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Symbolic links are filesystem objects that serve as pointers to other files or directories, providing a flexible way to organize data without duplicating it. Unlike hard links, which share the same un...

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3 ViewTransitionStyleTracker: The Mechanics of Element Capture and Naming

The provided text describes the ViewTransitionStyleTracker, a core component within the Blink rendering engine that manages how elements are captured and animated during a web transition. It functions...

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Mastering CSS Containment and Performance Optimization

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The provided text explores CSS Containment, a performance-oriented web feature that allows developers to isolate specific DOM subtrees to optimize browser rendering. By using the contain property, aut...

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2 ViewTransition State Machine: Lifecycle and Orchestration

2 ViewTransition State Machine: Lifecycle and Orchestration

The provided text explains the internal state machine that manages ViewTransitions within the Blink rendering engine, detailing how it orchestrates smooth visual shifts during DOM updates. This mechan...

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overflow-clip-margin in CSS and the Blink Engine

overflow-clip-margin in CSS and the Blink Engine

The provided text explains the CSS overflow-clip-margin property, a tool that allows developers to expand the clipping boundary of an element beyond its standard boxes. By utilizing this feature along...

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1 Blink View Transition SPA: DOM Entry Points Deep Dive

1 Blink View Transition SPA: DOM Entry Points Deep Dive

This technical documentation describes the internal architecture of the View Transition API within Google’s Blink rendering engine. The system relies on the ViewTransitionSupplement class to manage pe...

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CSS Box Model in Blink: Architecture of Layout and Paint

CSS Box Model in Blink: Architecture of Layout and Paint

The provided text describes the Blink rendering engine's implementation of the CSS box model, detailing how digital elements are structured, positioned, and rendered. It explains the transition from t...

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