Terminal UI DevTools

Created By

nvms3 months ago

What Chrome DevTools MCP is for the browser, tui-mcp is for the terminal. Launch any TUI app, take screenshots, send keystrokes, read text - works with any framework.

# terminal

# tui

Overview Content Tools Comments

Overview

tui-mcp

What Chrome DevTools MCP is for the browser, tui-mcp is for the terminal.

Launch any terminal app in a managed pty, take screenshots, read text, send keystrokes. The app thinks it's running in a real terminal. Works with any TUI framework or no framework at all - vim, htop, bubbletea, textual, ink, inquirer, trend, ncurses, whatever.

trend dashboard idea htop

Setup

claude mcp add --scope user tui-mcp -- npx tui-mcp

Tools

Tool	Description
launch	Spawn a TUI app in a managed pty
kill	Terminate a session
list_sessions	List active sessions
resize	Resize the terminal
screenshot	Capture terminal as PNG
snapshot	Capture terminal as plain text
read_region	Read a rectangular area of the buffer
cursor	Get cursor position
send_keys	Send a keystroke or combo (`Enter`, `Ctrl+C`, `Up`, `q`)
send_text	Type a string of characters
send_mouse	Send mouse events
wait_for_text	Wait for a regex pattern to appear
wait_for_idle	Wait until the terminal stops changing

How it works

your app  <-->  node-pty  <-->  xterm-headless  <-->  MCP tools
                (pty)        (terminal emulator)    (screenshot, send_keys, etc.)

The app runs in a real pseudo-terminal via node-pty. Its output is parsed by xterm-headless (the same terminal emulator that powers VS Code's terminal, but without a DOM). The MCP tools read and interact with that parsed buffer.

Try in Playground

Server Config

{
  "mcpServers": {
    "tui-mcp": {
      "command": "npx",
      "args": [
        "tui-mcp"
      ]
    }
  }
}

Project Info

Created At

3 months ago

Updated At

3 months ago

Author Name

nvms

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