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feat: add Grok (xAI Subscription) provider OAuth - #479

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Hadrian de Oliveira (hd-o) wants to merge 1 commit into
langchain-ai:mainfrom
hd-o:xai-provider
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feat: add Grok (xAI Subscription) provider OAuth#479
Hadrian de Oliveira (hd-o) wants to merge 1 commit into
langchain-ai:mainfrom
hd-o:xai-provider

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@hd-o

@hd-o Hadrian de Oliveira (hd-o) commented Jul 26, 2026

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Summary

Add Grok (xAI Subscription) provider (xai-grok), using public xAI OAuth (PKCE) and the OpenAI-compatible chat API at api.x.ai. This mirrors the existing openai-chatgpt integration.

Behavior

Select Grok (xAI subscription) → browser PKCE on 127.0.0.1:1456/callback → model selection → existing setup.

Runtime: refresh tokens → ChatOpenAI with baseURL: https://api.x.ai/v1 + Bearer token.

Non-interactive: incomplete token set fails fast with an actionable re-init message.

Credentials: XAI_GROK_ACCESS_TOKEN, XAI_GROK_REFRESH_TOKEN, XAI_GROK_EXPIRES_AT.

Testing

  • Unit: env, refresh/expiry, provider config, credentials, createModel, model resolution
  • Manual: pnpm dev --init → Grok → browser login → tokens in ~/.openwiki/.env
  • Manual: chat/print run against xAI
xai-provider.mp4

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