Added support for signing in with a ChatGPT Plus/Pro/Team subscription - #164
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oleg68 merged 3 commits intoJul 18, 2026
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New profile connection type that routes Claude Code sessions through
OpenAI's Codex backend using ChatGPT OAuth instead of an API key. The
user copies a sign-in link (PKCE flow against auth.openai.com), signs
in in their own browser, and pastes the resulting code back to
complete sign-in — the plugin never opens or waits on a browser
itself, since the browser may run under different network conditions
than the plugin.
Once signed in, "Model Aliases…" fetches the live model list from the
Codex backend instead of a fixed list. The Codex Responses API request
shape (stream:true always required, store:false always required, no
max_output_tokens field, {"detail":...} error shape) was reverse
engineered against openai/codex's own Rust source.
Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com>
Disambiguates it from the new "ChatGPT Subscription" connection type. Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com>
Added a README feature bullet, a new user-manual section covering the copy-link/paste-code sign-in flow and live model discovery, updated the connection-type table and Model Aliases description to cover it, and refreshed the Profiles tab screenshot to show the current UI. Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com>
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Summary
chatgpt.com/backend-api/codex) using ChatGPT OAuth instead of an Anthropic/OpenAI API key.stream:truealways required,store:falsealways required, nomax_output_tokensfield,{"detail":...}error shape,client_versionquery param,modelslist envelope withslugfield) was reverse engineered againstopenai/codex's own Rust source and verified against live traffic.Test plan
mvn test— full suite green (959 tests)mvn package— NBM builds cleanly/model gpt-5.6-terra) in a live session and confirm prompts round-trip successfully🤖 Generated with Claude Code