Scorecard checks whether tests run before pull requests are merged, looking for well-known CI system names (for example github-actions, jenkins, circleci, travis-ci, buildkite, appveyor or names containing test or e2e) among successful check runs and statuses on about the last 30 commits. It is limited to GitHub, and other CI set-ups may go undetected.
The graph holds this control, the 0 it maps to, and the evidence behind each claim, over MCP and REST.