Source: https://seerepo.com/r/SagerNet/sing-box/built
Markdown source: https://seerepo.com/r/SagerNet/sing-box/built.md
Description: sing-box is a Go repo built with chi and net/http. It uses AI through Anthropic. It has 191,325 written lines, with 123 test files.

# What is sing-box built with?

sing-box is a Go repo built with chi and net/http. It uses AI through Anthropic. It has 191,325 written lines, with 123 test files.

Read on October 31, 2026, at commit e5d91fa.

Repository: https://github.com/SagerNet/sing-box

## Backend

### The base

- **[chi](https://seerepo.com/uses/chi)**
- **[net/http](https://seerepo.com/uses/net-http)**

### Services

- **[Anthropic](https://seerepo.com/uses/anthropic)**: 1 file · [service/ccm/service.go, line 34](https://github.com/SagerNet/sing-box/blob/e5d91fa79f6319d5de940d6c81d81f0fe53b9476/service/ccm/service.go#L34)

## Other repos with a similar stack

- [JuliusBrussee/caveman](https://seerepo.com/r/JuliusBrussee/caveman/built): net/http, Anthropic
- [rclone/rclone](https://seerepo.com/r/rclone/rclone/built): chi, net/http
- [multica-ai/multica](https://seerepo.com/r/multica-ai/multica/built): chi, net/http
- [alibaba/open-code-review](https://seerepo.com/r/alibaba/open-code-review/built): net/http, Anthropic
- [affaan-m/ECC](https://seerepo.com/r/affaan-m/ECC/built): Anthropic
- [deepseek-ai/deepseek-harness](https://seerepo.com/r/deepseek-ai/deepseek-harness/built): Anthropic

## Frequently asked questions

### What language is sing-box written in?

sing-box is written in Go, with 191,325 written lines.

### What framework does sing-box use?

sing-box is built with chi and net/http.

### Does sing-box use AI?

Yes. sing-box uses AI through Anthropic.

The proof: [service/ccm/service.go, line 34](https://github.com/SagerNet/sing-box/blob/e5d91fa79f6319d5de940d6c81d81f0fe53b9476/service/ccm/service.go#L34)

### Does sing-box have tests?

Yes. sing-box has 123 test files.

### Which repos have a stack like sing-box's?

The ones that share most of its stack: JuliusBrussee/caveman, rclone/rclone, and multica-ai/multica.

## What is your repo built with?

Any public repo, with no account: https://seerepo.com/r/owner/repo/built, with the owner and name it has on GitHub.