# Shellit — Modern SSH & SFTP Client

> Shellit is a modern, secure, cross-platform SSH client, SFTP manager, and server management tool built with Flutter & Dart. It features 2x2 matrix terminal splits, broadcast input, Prod Guard command interception, Zero-Knowledge Argon2id encrypted vault, and a native Model Context Protocol (MCP) server for AI coding agents.

## Core Features & Documentation

- [Quick Start Guide](https://shellit.top/getting-started/quick-start/): Installation, master password setup, and initial server connection.
- [Installation Guide](https://shellit.top/getting-started/installation/): Detailed binaries and packages for Windows, Linux, and Android.
- [Prod Guard Security](https://shellit.top/security/prod-guard/): Interception of destructive commands (`rm -rf`, `DROP DATABASE`, `mkfs`) on production environments.
- [Zero-Knowledge Vault](https://shellit.top/security/vault-encryption/): Local SQLite encryption using Argon2id key derivation and AES-256-GCM.
- [E2EE Sync Server](https://shellit.top/sync/how-to-setup-e2ee-ssh-key-sync/): Self-hosted end-to-end encrypted synchronization without third-party clouds.
- [Docker Deployment](https://shellit.top/sync/docker-deployment/): One-command deployment of the Shellit sync relay with Docker Compose.
- [Protect Server from rm -rf](https://shellit.top/security/how-to-protect-server-from-rm-rf/): Comprehensive guide on server protection and safety policies.

## AI & Model Context Protocol (MCP)

- [MCP Server Specification](https://shellit.top/ai/mcp-server/): Native Model Context Protocol (MCP) tool server allowing AI agents (Claude, Cursor, Antigravity) to execute safe remote diagnostics.
- [MCP Setup for Cursor & Claude](https://shellit.top/ai/how-to-setup-mcp-for-cursor-and-claude/): Step-by-step configuration for Claude Desktop and Cursor IDE.
- [Gemini AI Snippets](https://shellit.top/ai/gemini-snippets/): AI-assisted bash snippet generation with Bring-Your-Own-Key (BYOK) privacy.

## Plugin Ecosystem & Extensibility

- [Desktop Plugin SDK Reference](https://shellit.top/plugins/sdk-reference/): API reference for developing sandboxed `.shellit` desktop plugins via JSON-RPC 2.0.
- [Creating Custom Plugins](https://shellit.top/plugins/creating-plugins/): Tutorial on packaging Web-based extensions for Shellit.

## Chronicle & Engineering Devlog

- [Shellit Chronicle (EN)](https://shellit.top/chronicle/): Thematic acts detailing the architecture, hardware debugging, security audits, and release engineering.
- [Act I: Foundations](https://shellit.top/chronicle/act-1-foundation/): Architecture manifesto and 5 isolated packages.
- [Act II: Hardware & Console](https://shellit.top/chronicle/act-2-hardware-and-console/): xterm.dart, ConPTY, and Safe Build Protocol.
- [Act III: SFTP & Splits](https://shellit.top/chronicle/act-3-sftp-and-splits/): 2x2 matrix terminal multiplexer and broadcast input.
- [Act IV: Zero-Knowledge](https://shellit.top/chronicle/act-4-zero-knowledge/): Self-hosted relay and Android touch accessory bar.
- [Act V: AI & ConPTY](https://shellit.top/chronicle/act-5-ai-and-conpty/): Native MCP server and Gemini BYOK integration.
- [Act VI: Web & Cloud](https://shellit.top/chronicle/act-6-web-and-cloud/): Astro portal, PocketBase backend, and Cloudflare Tunnel.
- [Act VII: Battle of the Titans](https://shellit.top/chronicle/act-7-battle-of-titans/): Independent security audit by Qwen and strict Fail-Closed defense.
- [Act VIII: Meta-Chronicle](https://shellit.top/chronicle/act-8-meta-chronicle/): Public chronicle birth, Knuth-Plass typography, and interactive simulator.

## Russian Documentation & Guides (Русская версия)

- [Быстрый старт](https://shellit.top/ru/getting-started/quick-start/): Руководство по установке и первому подключению.
- [Защита Prod Guard](https://shellit.top/ru/security/prod-guard/): Перехват опасных команд на боевых серверах.
- [Шифрование Vault](https://shellit.top/ru/security/vault-encryption/): Архитектура Zero-Knowledge на базе Argon2id.
- [E2EE Синхронизация](https://shellit.top/ru/sync/how-to-setup-e2ee-ssh-key-sync/): Развертывание собственного сервера синхронизации.
- [MCP для Cursor и Claude](https://shellit.top/ru/ai/how-to-setup-mcp-for-cursor-and-claude/): Подключение ИИ-ассистентов к терминалу.
- [Летопись Shellit (RU)](https://shellit.top/ru/chronicle/): Полная инженерная хроника создания проекта на русском языке.