Auto-roll guardrails: avoid Codex 429s automatically
Turn on CodexUse Pro auto-roll to switch profiles before rate limits block you. Set warning and switch thresholds in the app.
Codex settings without JSON: models, reasoning, MCP
Use CodexUse to set models, approval policy, sandbox mode, and MCP servers with form controls instead of hand-editing JSON.
CodexUse vs CodexBar and the vanilla CLI
Pick the right tool for switching, telemetry, and chat history. Honest pros and tradeoffs.
CodexUse updates and installers: what to expect
See how the update prompt works, how long the grace window lasts, and where to download the latest macOS and Linux builds.
Duplicate Codex accounts warning: what it means
Understand why CodexUse flags duplicate account IDs and how to handle shared workspaces or seats.
How to switch Codex accounts without logging out
The Codex CLI only supports one account at a time. Learn how to switch Codex accounts and change between Codex profiles without constant re-authentication.
Codex rate limits: see usage and avoid 429 errors
Understand how Codex rate limits work, why the CLI does not show usage, and how to monitor quota before hitting 429 errors.
Codex profiles: save, rename, and rotate safely
Best practices for managing multiple Codex CLI profiles: naming conventions, rotation for rate limit management, and organization.
Codex not working? Quick fixes and triage
Step-by-step troubleshooting for when Codex is not working: authentication errors, rate limits, network problems, and configuration issues.
Codex usage basics: commands, examples, pitfalls
Getting started with Codex usage: installation, authentication, commands, configuration, and common mistakes to avoid.
Keep Codex chats by profile and project
Organize Codex chat history by account and project. The native CLI mixes everything. CodexUse keeps sessions separated and searchable.
About these guides
These guides are written for developers who use the Codex CLI for real work. Every article:
- Uses actual Codex CLI commands
- Explains what the native CLI can and cannot do
- Shows how CodexUse fills gaps in multi-account and monitoring features
- Includes troubleshooting tables for common issues