Build changes that fit Playwright's internals.
Guides contributors in extending and maintaining Playwright's source code.
When to use it
Use when developing Playwright APIs, MCP tools, CLI commands, or vendored dependencies.
It changes how the agent implements, documents, and tests changes in the Playwright codebase.
What you provide
The published-version regression workflow uses gh to post its confirmed findings on the original issue.
Posting the regression writeup requires a GitHub account able to comment on the original issue.
This skill
GitHub
Posts regression findings to GitHub (irreversible)
Safari Release Notes
Checks Safari release notes