178 features.
One terminal named after a sock.

Auto AI CLI Detection ★

Detects Claude Code, Codex, Gemini CLI, ChatGPT, Copilot, Aider, and Cursor the moment they launch in any tab.

AI Tab Branding ★

Tabs automatically adopt the brand color and logo of the active AI agent.

AI Process Monitoring ★

Track CPU, memory, and PID of AI agent processes per tab.

Custom Detection Rules

Define custom process name patterns for AI tools not yet in the built-in list.

Detection Status Indicator

Visual indicator in the tab bar showing whether an AI agent is active, idle, or completed.

Multi-Agent Awareness

Handles multiple AI agents running in different tabs simultaneously with independent tracking.

Context Token Optimization ★

Monitor and optimize LLM API token usage in real-time, per tab or globally.

LLM Error Explanation

One-click error analysis via OpenAI, Anthropic, Ollama, or custom endpoints.

CTO Per-Tab Override

Enable or disable Context Token Optimization on individual tabs independent of global setting.

AI Session Tracking

Group related AI interactions into sessions with run counts and duration tracking.

API Cost Proxy ★

Local proxy captures LLM API traffic to count tokens and estimate costs per call, per session.

Token Counting

Track input and output tokens per API call with provider-specific tokenization.

Cost Tracking ★

Calculate cost per API call based on provider pricing. View per-session and cumulative costs.

Latency Tracking

Measure time-to-first-token and total request duration for every API call.

Analytics Dashboard

Visual dashboard showing token usage, costs, and latency trends over time.

20 MCP Tools ★

Full terminal control via Model Context Protocol: tab lifecycle, command execution, output capture, telemetry.

Unix Socket Server

MCP server runs over a local Unix socket: no network exposure, no authentication needed.

Auto-Registration ★

Registers in Claude Code, Cursor, Windsurf, and Codex config files on every launch.

MCP Resources

4 resource endpoints (tab://list, session://list, run://latest, config://mcp) for read-only data access.

Tab Limits

Configurable maximum MCP-created tabs to prevent runaway agent behavior.

MCP Tab Indicator

Visual indicator distinguishing MCP-created tabs from user-created tabs.

Full VT100/xterm Emulation

Complete terminal emulation with 256-color, true color (24-bit), and all standard escape sequences.

Unicode & Emoji Support

Full Unicode rendering including CJK, RTL, combining characters, and color emoji.

Shell Integration

Deep integration with zsh, bash, and fish for command detection, working directory tracking, and exit codes.

Scrollback Buffer

Configurable scrollback with efficient memory usage. Search within scrollback with regex support.

Hyperlinks

Clickable URLs detected automatically. OSC 8 hyperlink protocol support for rich links.

Image Protocol

Inline image display via iTerm2 image protocol and Sixel graphics.

Ligatures

Font ligature rendering for programming fonts like Fira Code, JetBrains Mono, and Cascadia Code.

Bell Notification

Visual bell, sound bell, and Dock bounce on terminal bell character. Configurable per-profile.

Metal Rendering ★

Hardware-accelerated rendering via Apple Metal API with glyph atlas and dirty region tracking.

SIMD Parsing ★

16-32 byte SIMD-accelerated ANSI escape parsing in Rust for cache-line-speed throughput.

Triple Buffering

Atomic-swap triple buffer ensures no tearing and no render blocking between parser and GPU.

Lock-Free SPSC Buffer

Zero-contention PTY data pipeline between reader and parser threads.

Multi-Tab

Unlimited tabs with drag-to-reorder, tab pinning, and tab-specific titles.

Split Panes

Horizontal and vertical splits within any tab. Resize with drag handles or keyboard shortcuts.

Tab Drag & Drop

Drag tabs between windows or within the tab bar. Snap positioning with smooth animations.

Tab Profiles

Per-tab shell, working directory, and environment variable configuration.

Background Suspension

Inactive tabs consume no render cycles. Instant resume on tab switch.

Tab Watchdog

Monitors tab health and auto-refreshes stale state. Resets after timeout rather than giving up.

Font Selection

5 built-in system monospace fonts plus custom font support. Any installed monospace font works.

Themes

Built-in themes with full 256-color and true color customization. Import iTerm2 color schemes.

Custom Keybindings

Fully remappable keyboard shortcuts with Vim keybinding presets available.

Cursor Styles

Block, beam, and underline cursors with configurable blink rate and color.

Window Opacity

Adjustable window transparency from 30% to 100%. See your desktop behind the terminal.

SSH Connection Manager

Visual SSH profile manager with host, port, identity file, and jump host configuration.

Auto-Import SSH Config

Imports hosts from ~/.ssh/config automatically. Stays in sync with config file changes.

Jump Host Support

Multi-hop SSH connections through bastion/jump hosts with ProxyJump support.

Context-Aware Switching

Tabs detect SSH connections and auto-switch profiles, colors, and settings based on remote host.

Syntax Highlighting

Language-aware syntax highlighting for 50+ languages in the built-in editor.

Bracket Matching

Automatic bracket, brace, and parenthesis matching with jump-to-match.

Find & Replace

In-editor find and replace with regex support and match highlighting.

Line Numbers

Configurable line number gutter with relative line numbers option.

Dangerous Command Guard ★

Intercepts rm -rf, dd, mkfs and other dangerous commands with a confirmation dialog before execution.

Process Exit Confirmation

Warns before closing tabs with running processes. Configurable per-process rules.

MCP Approval Gate

Optional per-tool approval for MCP actions before they execute.

Localization (4 Languages)

Full localization with RTL support. Runtime language switching without restart.

Clipboard History

Searchable clipboard history with pinning. Persists across sessions.

Paste Safety

Automatically escapes dangerous shell characters in pasted text to prevent accidental command execution.

Snippets

Reusable code snippets with placeholder variables. Insert via command palette or keyboard shortcut.

Session Recording ★

Record terminal sessions with precise timestamps for every output event.

Timeline Scrubber

Visual timeline for recorded sessions. Scrub to any point and replay terminal state.

Session Restore

Restore tabs, working directories, and terminal state after app restart.

Command Palette

Cmd+Shift+P for fuzzy-searchable commands. Find any action across all features.

Terminal Search

Search within terminal output with regex support, case sensitivity, and match navigation.

Command History Search

Fuzzy search through command history with frecency ranking.

JSON-RPC API

Unix socket JSON-RPC API for automating tabs, commands, history, snippets, and settings.

Shell Hooks

Pre/post command hooks for custom automation. Trigger actions on command entry or exit.

Overlay Mode

Floating terminal window above all other apps. Toggle with a global hotkey.

Fullscreen Mode

Native macOS fullscreen with menu bar hiding and Space integration.

Menu Bar Only

Run Chau7 as a menu bar app with no Dock icon. Access via menu bar icon or hotkey.