Playwright MCP vs Playwright CLI vs Kane CLI: Which Should Your AI Agent Use?

Playwright MCP vs Playwright CLI: both let an AI agent drive a browser the same way (MCP through tools, Playwright CLI through terminal commands with fewer tokens). Kane CLI is different: it saves natural-English tests you can re-run before you merge, and it caught the visual and logic bugs a page snapshot missed. 👉 Get Kane CLI: https://www.testmuai.com/kane-cli/?utm_source=youtube&utm_medium=video&utm_campaign=playwright-mcp-vs-playwright-cli-vs-kane-cli 5 rounds, same bank app: ✅ Same task: an open-account flow with Playwright MCP (25 browser tools) vs Kane CLI ✅ The UI changes: the Playwright code MCP generated breaks, and the same Kane CLI test file still passes ✅ A bug you can't see: MCP says the Continue button is there, while Kane CLI flags that its label is invisible ✅ A logic bug: Kane CLI catches the tax calculator showing NaN for gross income ✅ One run, all tests: kane-cli testrun runs 5 saved tests, with an evidence link for each How to choose: • Playwright MCP: exploring a page with an AI agent • Playwright CLI: for longer sessions, • Kane CLI: real tests before you merge ⚡ Install: npm i -g @testmuai/kane-cli 📘 Kane CLI quickstart: https://www.testmuai.com/docs/kane-cli-quickstart ▶️ What is Playwright MCP? https://youtu.be/apEw6yLLgwQ ⏱️ Chapters 00:00 Code ships fast. Can AI testing keep up? 00:10 Playwright MCP vs Playwright CLI vs Kane CLI 00:30 Round 1: Same task, both tools (open-account flow) 01:18 Round 2: The UI changes, and MCP-generated code breaks 01:58 Round 3: A bug you can't see (invisible button) 02:40 Round 4: A logic bug (tax calculator shows NaN) 03:58 Round 5: One run, all tests with Kane CLI 04:33 Playwright MCP vs CLI vs Kane CLI: how to choose #PlaywrightMCP #PlaywrightCLI #KaneCLI #TestAutomation #AITesting