"Do I need new credentials for the monorepo tools?"

No. One Google SSO (@groupon.com) covers Atlas, Harness, FleetOps and WorkLedger — roles come from your team, not from a separate credential you have to request.

If you're a fleet developer touching the monorepo directly, your existing GitHub access carries over unchanged; the 33-repos-to-1 consolidation moved code, not permissions.

Full walkthrough is in Onboarding 002 if you want the details — this answer is the short version.