Source: https://seerepo.com/compare/bojieli/ai-agent-book/vs/nexu-io/open-design
Markdown source: https://seerepo.com/compare/bojieli/ai-agent-book/vs/nexu-io/open-design.md
Description: ai-agent-book and open-design share 5 technologies: React, Next.js, Express, Anthropic, and PostHog. ai-agent-book is written in Python and open-design in TypeScript.

# ai-agent-book vs open-design

ai-agent-book and open-design share 5 technologies: React, Next.js, Express, Anthropic, and PostHog. ai-agent-book is written in Python and open-design in TypeScript.

- [bojieli/ai-agent-book](https://seerepo.com/r/bojieli/ai-agent-book): 《深入理解 AI Agent：设计原理与工程实践》（李博杰 著）开源主仓库：全书正文、编译版 PDF 与按章配套代码
- [nexu-io/open-design](https://seerepo.com/r/nexu-io/open-design): The 1st Collaborative AI Design Agent Workspace. Local-first and open source. Create motion, prototypes, websites, apps, dashboards, presentations, images, and videos with your team and AI agents. Share work, exchange feedback, and iterate together in one workspace.

## What they share and what sets them apart

- In common: React, Next.js, Express, Anthropic, PostHog
- Only in ai-agent-book: Vite, Astro, FastAPI, Postgres, OpenAI, Google
- Only in open-design: MCP

## Side by side

| | ai-agent-book | open-design |
|---|---|---|
| Size | 422,452 lines written, 1,079 code files | 2,199,717 lines written, 3,991 code files |
| Who writes it | 20.8% of its commits signed by AI. With Claude Code | 8.5% of its commits signed by AI. With Cursor, Claude Code, Codex, Devin, and GitHub Copilot |
| Activity | Last push October 8, 2026, 1,610 commits, 56,633 stars | Last push October 30, 2026, 3,792 commits, 105,035 stars |
| Tests | 624 test files. 33.9% of its code files have a test that imports them | 3,070 test files. 34.3% of its code files have a test that imports them |

- Size: Lines written by people and agents, without generated ones; code files, without tests.
- Who writes it: A commit counts as AI's when it carries its signature: a Co-Authored-By line, its author name or the merge of its branch.
- Activity: From GitHub and its history, on the day SeeRepo read it.
- Tests: The files that test the code, and the share of code files a test imports.

## Frequently asked questions

### Which is bigger, ai-agent-book or open-design?

open-design, with 2,199,717 lines written in 3,991 code files; ai-agent-book has 422,452 in 1,079.

The proof: [nexu-io/open-design's code at commit 12d970e](https://github.com/nexu-io/open-design/tree/12d970eacc8971150e3c76470d2a9afe16dc2ed1)

### Which has more GitHub stars, ai-agent-book or open-design?

open-design, with 105,035 stars; ai-agent-book has 56,633.

The proof: [nexu-io/open-design on GitHub](https://github.com/nexu-io/open-design)

### Which has more tests, ai-agent-book or open-design?

open-design, with 3,070 test files; ai-agent-book has 624.

The proof: [nexu-io/open-design's code at commit 12d970e](https://github.com/nexu-io/open-design/tree/12d970eacc8971150e3c76470d2a9afe16dc2ed1)

### Which was updated more recently, ai-agent-book or open-design?

open-design: its last push was on October 30, 2026, and ai-agent-book's on October 8, 2026.

The proof: [nexu-io/open-design's commits on GitHub](https://github.com/nexu-io/open-design/commits)

### Which has more commits signed by AI, ai-agent-book or open-design?

ai-agent-book: an AI signed 20.8% of its commits, with Claude Code; in open-design, 8.5%.

The proof: [the commits each tool signed in bojieli/ai-agent-book](https://seerepo.com/r/bojieli/ai-agent-book/ai)

## Sources

- bojieli/ai-agent-book: Read on October 30, 2026, at commit dbc046e (https://github.com/bojieli/ai-agent-book/tree/dbc046eb896ac4e39aa19c7774c8bf49583b89a6)
- nexu-io/open-design: Read on October 30, 2026, at commit 12d970e (https://github.com/nexu-io/open-design/tree/12d970eacc8971150e3c76470d2a9afe16dc2ed1)

## 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.