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feat: add official Sign in with ChatGPT provider #199

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feat: add official Sign in with ChatGPT provider #199

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04dd877
chore: resolve existing collapsible-match lints
staklab Oct 29, 2026
7b9a4eb
feat: add isolated official Sign in with ChatGPT provider
staklab Oct 29, 2026
67836a1
fix: validate SIWC streams and preserve upstream failures
staklab Oct 29, 2026
a78303c
docs: document official SIWC setup and safety boundaries
staklab Oct 29, 2026
c1fbcb5
docs: clarify SIWC client retry controls and tradeoffs
staklab Oct 29, 2026
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113 changes: 111 additions & 2 deletions Cargo.lock
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1 change: 1 addition & 0 deletions Cargo.toml
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Expand Up @@ -46,6 +46,7 @@ ratatui = "0.29"
crossterm = "0.28"
jiff = { version = "0.2", default-features = false, features = ["std", "tz-system", "tzdb-zoneinfo"] }
tiktoken-rs = { version = "0.12", default-features = false }
jsonwebtoken = { version = "11.1", default-features = false, features = ["aws_lc_rs"] }

[dev-dependencies]
tokio = { version = "1", features = ["test-util"] }
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7 changes: 7 additions & 0 deletions README.md
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Expand Up @@ -96,6 +96,7 @@ The opt-in Images API returns base64 image data and consumes the signed-in accou

| Provider | Account | Model selection |
| ------------ | ------------------------------ | ----------------------------------------------- |
| [Sign in with ChatGPT](docs/src/content/docs/providers/chatgpt-siwc.md) | Eligible ChatGPT account with plan permission | Account-specific official catalog; isolated `siwc serve` |
| Codex | ChatGPT Plus or Pro | Registered `gpt-*` models, `-fast`/`-ultrafast` |
| Kimi | kimi.com with Kimi Code access | `kimi-for-coding` and aliases |
| Grok | grok.com | Registered Grok models |
Expand All @@ -105,6 +106,12 @@ The opt-in Images API returns base64 image data and consumes the signed-in accou
Run `claude-code-proxy models` for the current catalog or
`claude-code-proxy models --full` for every dynamic Cursor alias.

For the official public Responses API, use the opt-in **Sign in with ChatGPT**
provider: `claude-code-proxy siwc auth login --consent`, then
`claude-code-proxy siwc models`. Follow the
[SIWC guide](docs/src/content/docs/providers/chatgpt-siwc.md) to start an isolated
local proxy and configure Claude Code with an available model.

> [!WARNING]
> The proxy accepts local requests without client authentication. It binds to
> `127.0.0.1` by default. Protect any non-loopback listener with a firewall or
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1 change: 1 addition & 0 deletions docs/astro.config.mjs
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Expand Up @@ -44,6 +44,7 @@ export default defineConfig({
label: 'Providers',
items: [
{ label: 'Choosing a provider', slug: 'providers/choosing-a-provider' },
{ label: 'Sign in with ChatGPT', slug: 'providers/chatgpt-siwc' },
{ label: 'Codex', slug: 'providers/codex' },
{ label: 'Kimi', slug: 'providers/kimi' },
{ label: 'Grok', slug: 'providers/grok' },
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