AIにブラウザ操作を任せたら失敗だらけだったのでPlaywrightを使うことにした

$ playwright-cli --h

playwright-cli - run playwright mcp commands from terminal

Usage: playwright-cli <command> [args] [options]
Usage: playwright-cli -s=<session> <command> [args] [options]

Core:
  open [url]                  open the browser
  close                       close the browser
  goto <url>                  navigate to a url
  type <text>                 type text into editable element
  click <ref> [button]        perform click on a web page
  dblclick <ref> [button]     perform double click on a web page
  fill <ref> <text>           fill text into editable element
  drag <startRef> <endRef>    perform drag and drop between two elements
  hover <ref>                 hover over element on page
  select <ref> <val>          select an option in a dropdown
  upload <file>               upload one or multiple files
  check <ref>                 check a checkbox or radio button
  uncheck <ref>               uncheck a checkbox or radio button
  snapshot                    capture page snapshot to obtain element ref
  eval <func> [ref]           evaluate javascript expression on page or element
  dialog-accept [prompt]      accept a dialog
  dialog-dismiss              dismiss a dialog
  resize <w> <h>              resize the browser window
  delete-data                 delete session data

Navigation:
  go-back                     go back to the previous page
  go-forward                  go forward to the next page
  reload                      reload the current page

Keyboard:
  press <key>                 press a key on the keyboard, `a`, `arrowleft`
  keydown <key>               press a key down on the keyboard
  keyup <key>                 press a key up on the keyboard

Mouse:
  mousemove <x> <y>           move mouse to a given position
  mousedown [button]          press mouse down
  mouseup [button]            press mouse up
  mousewheel <dx> <dy>        scroll mouse wheel

Save as:
  screenshot [ref]            screenshot of the current page or element
  pdf                         save page as pdf

Tabs:
  tab-list                    list all tabs
  tab-new [url]               create a new tab
  tab-close [index]           close a browser tab
  tab-select <index>          select a browser tab

Storage:
  state-load <filename>       loads browser storage (authentication) state from a file
  state-save [filename]       saves the current storage (authentication) state to a file
  cookie-list                 list all cookies (optionally filtered by domain/path)
  cookie-get <name>           get a specific cookie by name
  cookie-set <name> <value>   set a cookie with optional flags
  cookie-delete <name>        delete a specific cookie
  cookie-clear                clear all cookies
  localstorage-list           list all localstorage key-value pairs
  localstorage-get <key>      get a localstorage item by key
  localstorage-set <key> <value> set a localstorage item
  localstorage-delete <key>   delete a localstorage item
  localstorage-clear          clear all localstorage
  sessionstorage-list         list all sessionstorage key-value pairs
  sessionstorage-get <key>    get a sessionstorage item by key
  sessionstorage-set <key> <value> set a sessionstorage item
  sessionstorage-delete <key> delete a sessionstorage item
  sessionstorage-clear        clear all sessionstorage

Network:
  route <pattern>             mock network requests matching a url pattern
  route-list                  list all active network routes
  unroute [pattern]           remove routes matching a pattern (or all routes)

DevTools:
  console [min-level]         list console messages
  run-code <code>             run playwright code snippet
  network                     list all network requests since loading the page
  tracing-start               start trace recording
  tracing-stop                stop trace recording
  video-start                 start video recording
  video-stop                  stop video recording
  show                        show browser devtools
  devtools-start              show browser devtools

Install:
  install                     initialize workspace
  install-browser             install browser

Browser sessions:
  list                        list browser sessions
  close-all                   close all browser sessions
  kill-all                    forcefully kill all browser sessions (for stale/zombie processes)

Global options:
  --help [command]            print help
  --version                   print version