Runner

Runner settings control run-level concurrency.

warden.toml

[runner]
concurrency = 1

concurrencynumber

Maximum concurrent file analyses across running CLI skills. In GitHub Actions, also limits matched trigger dispatch.

If unset, the CLI uses 4 and the Action uses the workflow parallel input.

For CLI runs, --parallel overrides runner.concurrency. In GitHub Actions, runner.concurrency overrides the workflow parallel input.