What it does

Katalon Studio is the test automation product within Katalon's True Platform, which also includes TestOps for test management, TestCloud for executing suites across browsers and real devices, and TrueTest for insight into production usage. Studio is used to build tests for web, mobile, API and desktop applications, and it supports authoring styles from no-code up to full code, including AI-assisted authoring. Katalon AI drafts test cases from a prompt, a Jira ticket or a requirement, leaves them for your approval, repairs locators when an application changes, and describes failures in plain language. A Katalon MCP server lets coding agents such as Copilot, Claude, Codex and Cursor drive Studio. AI features can use a built-in Katalon AI service or your own provider, with OpenAI, Azure OpenAI, Google Gemini and AWS Bedrock named on the site. The site says existing Selenium and Appium scripts keep working because Studio is based on both, and that Playwright results can be ingested into TestOps and run on TestCloud. Admins with the right authorization can switch the AI features on or off, and the site cites a SOC 2 Type II attestation.

Capabilities

Tests for web, mobile, API and desktop apps, written with no code, a little code or full code
AI drafts test cases from requirements, tickets or prompts, with human review
Self-healing locators and plain-language failure explanations
Katalon MCP server so your own coding agent can drive Studio
Works with existing Selenium and Appium scripts

When to use it

A QA team with mixed skill levels wants one tool across web, mobile, API and desktop testing
You want AI help writing test cases and keeping tests running when interfaces change
You already have Selenium or Appium scripts and want to keep using them
You want to run testing from your own coding agent through MCP

Alternatives to explore

mabl
Appium
Selenium
Tricentis Tosca