[Feat] Add Support for Claude Code Max/OAuth 2 on LiteLLM AI Gateway #19453
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ishaan-jaff merged 14 commits intomainfrom Jan 21, 2026
Merged
[Feat] Add Support for Claude Code Max/OAuth 2 on LiteLLM AI Gateway #19453ishaan-jaff merged 14 commits intomainfrom
ishaan-jaff merged 14 commits intomainfrom
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…ssthrough When OAuth tokens (sk-ant-oat*) are forwarded through the proxy, Anthropic requires the 'anthropic-dangerous-direct-browser-access: true' header to accept them from non-Claude-Code clients. Without this, Anthropic rejects with "credential only authorized for Claude Code". This mirrors upstream PR BerriAI#19453's optionally_handle_anthropic_oauth() but keeps the token as Authorization: Bearer (no x-api-key conversion). Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
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[Feat] Add Support for Claude Code Max/OAuth 2 on LiteLLM AI Gateway
Enables developers using Claude Code Max to authenticate with LiteLLM proxy by supporting OAuth tokens (sk-ant-oat01-*) alongside regular LiteLLM API keys.
What Changed
Authentication Flow:
Fixes: #13380
Pre-Submission checklist
Please complete all items before asking a LiteLLM maintainer to review your PR
tests/litellm/directory, Adding at least 1 test is a hard requirement - see detailsmake test-unitCI (LiteLLM team)
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Type
🆕 New Feature
✅ Test
Changes