wezterm-mcp

wezterm-mcp

Enables programmatic control of the WezTerm terminal emulator through the Model Context Protocol. It allows users to manage panes, tabs, and windows while reading terminal content or sending commands directly to the terminal environment.

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README

wezterm-mcp

MCP server that exposes WezTerm terminal control via the Model Context Protocol.

Requirements

  • Node.js v18+
  • WezTerm with wezterm cli available on PATH

Install

npm install
npm run build

Nix

nix build    # build the package
nix run      # run directly

Usage

Add to your MCP client configuration (e.g. Claude Code ~/.claude.json):

{
  "mcpServers": {
    "wezterm": {
      "command": "node",
      "args": ["/path/to/wezterm-mcp/build/index.js"]
    }
  }
}

Tools

Tool Description
list_panes List all windows, tabs and panes
list_clients List connected clients
get_text Read terminal screen/scrollback content
get_pane_direction Get adjacent pane ID in a direction
split_pane Split a pane (left/right/top/bottom)
spawn Spawn a command in a new window or tab
send_text Send text to a pane (bracketed paste)
activate_pane Focus a pane by ID
activate_pane_direction Focus adjacent pane by direction
kill_pane Kill a pane
adjust_pane_size Resize a pane directionally
zoom_pane Zoom/unzoom/toggle a pane
move_pane_to_new_tab Move a pane into a new tab
activate_tab Activate a tab by ID, index, or relative offset
set_tab_title Change tab title
set_window_title Change window title
rename_workspace Rename a workspace

Development

npm run dev    # Run directly via tsx
npm run build  # Compile to build/
npm start      # Run compiled output
nix develop    # Nix devShell with node + wezterm

License

MIT

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