Practical guides
Claude Code and Codex guides
12 guides on running more than one Claude Code or Codex CLI account on a Mac: how the official login flows work, what a switch should and should not write, what the usage windows actually measure, and where provider terms draw the line.
Switching accounts
Move a CLI between logins you are authorized to use, without replacing the configuration around them.
- Claude Code account guide
How to Switch Between Claude Code Accounts on Mac
The official login flow, why repeated logins get awkward, and how to change authentication without replacing the rest of your CLI configuration.
- Codex CLI account guide
How to Use Multiple Codex CLI Accounts on Mac
Codex CLI caches its own login independently of ChatGPT on the web. Here is how to verify the CLI identity and switch it deliberately.
- Comparison
Claude Code Account Switchers Compared
How claude-swap, CCSwitcher, clauth and the rest differ on write scope, verification and rollback — and which of the similar names is not a switcher at all.
Usage limits
What the session, weekly, and model-scoped windows actually measure, and what to do when one runs out.
- Usage limits reference
Claude Code Usage Limits Explained
The five-hour session window, the weekly all-models cap, and the model-scoped weekly windows, and how each one rolls over.
- Usage limits reference
Codex CLI Rate Limits Explained
How Codex reports its rolling and multi-day windows, and what OpenAI's earned rate-limit resets actually are.
- Decision guide
Claude Code Usage Limit Reached: What to Do
A decision guide for the moment Claude Code stops: wait, buy extra usage, drop to a cheaper model, or move to another authorized account.
- Reading usage accurately
Why Claude Code and Codex Usage Numbers Disagree
Checking usage once is easy. Knowing which of four disagreeing numbers is the one that will actually stop you is the harder problem.
Policy and boundaries
Where provider terms draw the line, and how to keep an employer-provisioned account separate from a personal one.
- Policy and boundaries
Are Multiple Claude Code Accounts Allowed?
Separating the things providers actually prohibit from the things people assume they prohibit, without telling you your setup is fine.
- Policy and boundaries
Keeping Work and Personal Claude Accounts Separate
The employer-provisioned plus personal case: keeping the boundary visible, and what to check before touching client material.
Troubleshooting
Fixing the authentication failures that interrupt a working session.
- Troubleshooting
Fixing Claude Code Login Expired and Repeated Logouts
What causes the repeated Claude Code logout loop, the recovery order that works, and how to avoid re-triggering it.
- Troubleshooting
Claude Code Lost Your MCP Servers or settings.json
Four things actually cause this, only one of them is Claude Code's own doing, and the recovery order matters more than the cause.
- Troubleshooting
How to Check Which Claude Code Account Is Active
The credential and the displayed identity live in different places, and they can disagree. Here is how to check rather than assume.
Free and open source
Every account visible. Every switch reversible.
Monitor usage and switch deliberately without replacing the rest of your setup.