TestMu AI Blogs

What an AI phone agent is, how inbound and outbound agents work, where they glitch on real calls, and a pre-launch test plan to run before customers call.

What an AI receptionist is, how it works, how it compares to answering services and IVR, and a 20-call acceptance test to run before it answers your phones.

Every npx playwright command with flags, plus the new playwright-cli for Claude Code and Copilot: install, commands, vs MCP, and when to skip scripts.

Claude Code, Codex or Cursor? Compare October 2026 pricing, models, benchmarks, safety, headless CI and PR review, plus how to verify what each one ships.

Vapi, Retell or Bland AI? Compare pricing models, agent builders, LLM choice, telephony, HIPAA and built-in testing, plus how to test your voice agent first.

GitHub Actions or Jenkins? Compare setup, Playwright test sharding, JUnit test reporting, security, 2026 cost models and migration, with one pipeline in both.

Postman, Insomnia or Bruno? Compare offline and Git workflows, protocols, scripting, CLIs for CI, free-plan limits and migration, with a pick for every team.

Real device testing explained: the 12 bugs emulators miss, how to pick devices, Appium code for real devices, and how to start free on real phones.

A tester's guide to Playwright MCP: what it does well, setup for Claude Code, Cursor and Codex, real prompts, security risks, and when to use something else.

Playwright CLI vs Playwright MCP vs Kane CLI, compared on tokens, turns, reliability and CI. What the docs claim, what Slack measured, and which to use when.

Voice agent testing in 9 layers: how to test AI voice bots from SIP to TTS, metric budgets for latency and WER, and 12 voice agent testing tools compared.

Python browser automation with Selenium, Playwright, and AI agents: pick a tool, run headless or in the cloud, avoid bot detection, with runnable code examples.

Compare the best Selenium test management tools for 2026: TestMu AI Test Manager, TestLink, Kiwi TCMS, Tuleap, and more, with Selenium fit and how to choose.

I seeded a city bill-pay page with 18 WCAG 2.1 AA bugs, the ADA Title II standard, and tested 9 ADA compliance tools on what they catch and what they miss.

Compare 9 enterprise accessibility testing platforms on six capabilities checked in vendor docs: site monitoring, CI/CD, mobile apps, manual testing and audits.

No-code browser automation compared: recorders, workflow bots, and AI agents, plus one test file replayed on Chrome, Edge, Firefox, and Safari and what broke.

Scriptless test automation explained: how a scriptless framework runs your steps, a working example on a cloud grid, the main tool types, and where it breaks.

Arena's Alignment Index found deceptive completion in 10% of AI agent sessions and 48% of debugging work, often as agents claiming checks they had never run.

Observability vendors now score AI agents in production. Agent Assurance tests them before release. Here is where each fits and how they work together.

I seeded a test web page with 13 accessibility bugs and tested 9 remediation tools on what they catch, how they guide fixes, and what needs manual review.