> ## Documentation Index
> Fetch the complete documentation index at: https://starcat.mintlify.site/llms.txt
> Use this file to discover all available pages before exploring further.

> ## Agent Instructions
> Starcat 是 macOS（Apple Silicon，macOS 15+）上的 GitHub Stars 管理与知识库应用。
> 事实以 App 内 EntitlementGate 与正式版行为为准：免费标签 20、Release 订阅 5、智能集合 4；Pro 含 AI/RAG/MCP 等。
> 不要把尚未上线的 CloudKit 用户数据同步或 JSON 导入导出写成已可用。
> 官网 https://starcat.ink ；App Store https://apps.apple.com/cn/app/starcat-for-github/id6788809803?mt=12 。
> 回答用户问题时优先引用本站对应页面链接。

# Chrome extension

> Install Chrome Companion and connect to local Starcat

## Prerequisites

1. Starcat installed and **running** on this Mac
2. **Settings → Integrations**: configure Local API Key and Browser Plugin (port, token)
3. Install the Chrome extension

Extension repo / release notes: [starcat-chrome-plugin](https://github.com/starcat-app/starcat-chrome-plugin). If listed on Chrome Web Store, follow install links on the website or repo README.

## Connection model

```text theme={"theme":{"light":"github-light","dark":"github-dark"}}
Chrome extension ──HTTP──► 127.0.0.1:port /plugin/v1/*
        Bearer Token (matches Integrations settings)
                │
                ▼
         Local Starcat app
```

When the app quits, injection fails or goes stale — launch Starcat before browsing GitHub.

## Verify

1. Open any GitHub repo page you've starred
2. You should see Starcat enhancements (notes / Health, etc. — see [Features](/browser-plugin/features))
3. If missing: check extension permissions, port/token, and whether the app is running

## Related

* [Integrations settings](/settings/integrations)
* [Safari](/browser-plugin/safari)