AI OAuth SDK

What it does

Let your customers bring the AI subscription they pay for. Think BYOK, but they sign in with the plan they already have instead of pasting a key. ai-oauth-sdk runs the providers' real OAuth flows, the same ones their official CLIs use. The token stays on their device, so you never hold a key or pay for their inference. Eight providers: ChatGPT, Claude, Gemini, Grok, Copilot, Qwen, OpenRouter, Azure. Zero dependencies, MIT. Node, browser, React, Vue, Svelte, Solid, React Native, CLI.

Redirect, callback, token. Zero dependencies, eight providers built in, MIT licensed. Sign in with ChatGPT, Claude, Gemini, Grok or Copilot from Node, the browser, React Native or the terminal.

Every AI CLI ships the same four hundred lines: mint a PKCE pair, open a browser, catch the loopback callback, refresh before expiry. This is those lines, extracted once, with the provider quirks already encoded. import { login, ProviderId, publicClientIds } from 'ai-oauth-sdk/node' // Opens a browser, catches the callback on 127.0.0.1, // and stores the token under ~/.ai-oauth-sdk. const { accessToken } = await login(ProviderId.OpenAI, { clientId: publicClientIds[ProviderId.OpenAI], }) import { loginWithPopup, ProviderId } from 'ai-oauth-sdk/browser' // From a click handler, or the popup is blocked. const tokens = await loginWithPopup(ProviderId.Claude, { clientId, redirectUri, scopes:…from ai-oauth.themonk.dev

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