Glossary

API token: a long code that works like a password for programs. You create it in your account and can cancel it at any time.

CI (continuous integration): an automated system that runs tests whenever code changes.

Content script: extension code that runs inside web pages.

Environment variable: a named setting you give the computer before running a command. See Settings.

iframe: a web page embedded in another page, often a payment form or ad.

JUnit XML: a standard test report format understood by CI and test-management tools.

MCP (Model Context Protocol): an open standard that lets AI assistants use programs through a list of tools. StepTrail offers one. See Use StepTrail from an AI assistant.

Masked value: a password or private text that is saved as *** instead of the real thing.

Playwright test: a test file for Playwright, a free browser automation tool. StepTrail downloads one for you from a recording.

Recording: the JSON file produced by the extension.

Replay: playing a recording back in a fresh browser to see if it still works.

Selector: a rule that points at one element, such as #email.

Screen memory: what StepTrail has learned about a system: its screens, elements, proven locators and routes. See Screen memory.

Self-healing: trying backup selectors when the main one is gone.

Shadow DOM: a way web components hide their inner parts from the rest of the page.

Step: one thing in a recording, such as a click or typing into a field.

Terminal: a text window where you type commands.