# LexAI

**Bring your own LLM key.** LexAI is an open-source writing (and coding) assistant with **no LexAI backend, no account, and no subscription**. Your text and API key go only to the provider you choose.

| Package | What it is | Docs |
| --- | --- | --- |
| **[packages/chrome](packages/chrome)** | Chrome MV3 extension — select text on any page → Fix / Rephrase / Shorten / Expand / Explain / Make Prompt | [README](packages/chrome/README.md) · [Chrome Web Store](https://chromewebstore.google.com/detail/bagpcheidbkfgijnnmolnkgagibbjfnk) |
| **[packages/vscode](packages/vscode)** | VS Code / Cursor extension — writing actions + workspace-aware **Code Assist** | [README](packages/vscode/README.md) · [Deploy](packages/vscode/DEPLOY.md) |
| **[packages/cli](packages/cli)** | CLI **Prompt Builder** — improve a rough idea into a paste-ready prompt | [README](packages/cli/README.md) |

Shared provider/prompt core: [`src/lib`](src/lib).

## Quick start

```bash
# Prerequisites: Node 22+
git clone https://git.juankibin.space/kibin/LexAI.git
cd LexAI

# Install all packages
npm run install:all

# Chrome extension (dev)
npm run chrome:dev

# VS Code extension
npm run vscode:build
# then F5 / Install from VSIX — see packages/vscode/README.md

# CLI Prompt Builder
npm run cli:build
export LEXAI_API_KEY=sk-...   # PowerShell: $env:LEXAI_API_KEY="sk-..."
node packages/cli/out/cli.js prompt "add rate limiting to the auth routes"
```

## Repository layout

```text
LexAI/
├── packages/
│   ├── chrome/     # Manifest V3 extension (WXT + React)
│   ├── vscode/     # VS Code / Cursor extension
│   └── cli/        # lexai prompt CLI
├── src/lib/        # Shared providers, actions, types
├── tests/          # Unit + e2e tests (run via chrome package)
├── docs/           # Project operating docs (agents / planning)
└── .gitea/         # CI (ci-chrome / ci-vscode / ci-cli) + issue/PR templates
```

## Supported providers

OpenAI · Anthropic · Groq · OpenRouter

## Privacy

- No LexAI servers and no LexAI telemetry
- Chrome: key encrypted in `chrome.storage.local`
- VS Code: key in Secret Storage
- CLI: key via `LEXAI_API_KEY` environment variable only

## Contributing

See [CONTRIBUTING.md](CONTRIBUTING.md) and our [Code of Conduct](CODE_OF_CONDUCT.md).

## License

[MIT](LICENSE) © LexAI contributors

## Links

- Chrome Web Store: https://chromewebstore.google.com/detail/bagpcheidbkfgijnnmolnkgagibbjfnk
- Source: https://git.juankibin.space/kibin/LexAI