# using-arbiter-os > Operate Arbiter OS roles and entrypoints - Author: 0possum-eth - Repository: 0possum-eth/arbiter-os-v1 - Version: 20260206185036 - Stars: 0 - Forks: 0 - Last Updated: 2026-02-07 - Source: https://github.com/0possum-eth/arbiter-os-v1 - Web: https://mule.run/skillshub/@@0possum-eth/arbiter-os-v1~using-arbiter-os:20260206185036 --- --- name: using-arbiter-os description: Operate Arbiter OS roles and entrypoints --- # Using Arbiter OS - Use `run-epic` as the canonical entrypoint - Keep Arbiter as the sole coordinator - Use ledger-first state and receipts - Never mark tasks done without verifier evidence - Route execution through the coordinator loop - Route execute-plan compatibility path into the Arbiter loop - Apply `docs/arbiter/agent-prompt.md` as the policy contract