Codex localhost Refused to Connect? 3 Proven Fixes for the Login Callback
codex localhost refused to connect means the browser login never reached Codex. Use codex login --device-auth or ssh -L 1455:localhost:1455. Claude Code fix too.
BUFFER’S NOTEBOOK
Category: Codex
5 articles
AI, hardware and tools I’ve tried for myself. When a conversation on X needs more room, it continues here.
Follow via RSS
OpenAI Codex Error Codes: A Quick Lookup for API, ChatGPT and Codex Messages (2026)
A quick lookup of OpenAI API, ChatGPT and Codex error messages. Each row gives the exact text, the likely cause in one line, where that answer comes from, and a…
“Codex could not start its user interface” in VS Code: The Frustrating Bug and the Rollback That Works (2026)
"Codex could not start its user interface" appeared for many VS Code users after the Codex extension updated to 26.1021.22027. The GitHub issue is still open with no reply from…
Codex “Token exchange failed” (403 Forbidden): 5 Proven Fixes From the GitHub Issues
Codex shows "Token exchange failed" when the request it sends by itself to auth.openai.com skips your proxy or never connects. Here is how to tell 403 from "error sending request"…
Selected Model Is at Capacity in Codex: What It Means and 5 Simple Things to Try
"Selected model is at capacity. Please try a different model." isn't your usage limit. What the Codex error means in the source code, what OpenAI staff said, why October 2026…