ai-sub-auth. Reuse your AI subscriptions. One module, every provider. OAuth PKCE for ChatGPT Plus/Pro, API keys for Claude/Gemini/DeepSeek, device code for Copilot. ~500 LOC, only depends on httpx.

Problem

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Audience

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Market

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Pricing

The full read on this project is a sign-in away — what it solves, who it serves, and where it sits in the market.