Secondary TerminalYour sidebar, your terminal, your AI agents

A full-featured terminal for VS Code with built-in AI agent detection for Claude Code, Codex CLI, Gemini CLI, GitHub Copilot CLI.

Get Started

View on Marketplace

Multiple Terminals

Up to 10 concurrent terminals with tab management, drag & drop reordering, and double-click to rename.

Split Views

Vertical and horizontal splitting with drag-to-resize. Dynamic direction adapts to panel location.

AI Agent Detection

Auto-detects Claude Code, Copilot, Gemini (v0.28.2+), Codex CLI with real-time status indicators.

Session Persistence

Auto-save and restore terminal state across VS Code restarts with ANSI color preservation.

Shell Integration

Command status indicators, working directory display, and command history tracking.

Rich Input Support

Full clipboard, IME support (Japanese/Chinese/Korean), Alt+Click cursor positioning, and image paste.

Find in Terminal

Search through terminal output with regex support. Navigate between commands with keyboard shortcuts.

Smart Link Detection

File paths open in VS Code, URLs in browser, emails detected. All automatic.

Fully Customizable

90+ settings for fonts, cursor, theme, colors, header, and terminal behavior.

Accessible

Screen reader support and WCAG-compliant contrast ratios for inclusive terminal usage.

Agent Notifications

Sound and toast notifications when AI agents are waiting for your input.

Performance Optimized

WebGL rendering, 250fps AI streaming, sub-1s restore, sub-100ms disposal.

See It in Action

Why Secondary Terminal?


Sidebar-native	Keep your terminal visible while editing. No more toggling the bottom panel.
AI agent aware	Auto-detects Claude Code, Copilot, Gemini, Codex. Real-time status and 250fps rendering.
Full-featured	Split views, session persistence, shell integration, 90+ settings. Production terminal.
Cross-platform	Windows, macOS, and Linux. Available on VS Code Marketplace and Open VSX.

Quick Install

code --install-extension s-hiraoku.vscode-sidebar-terminal

Or search "Secondary Terminal" in the VS Code Extensions view. Also available on Open VSX for VSCodium, Gitpod, and Eclipse Theia.