Source: https://seerepo.com/compare/bojieli/ai-agent-book/vs/dgtlmoon/changedetection.io
Markdown source: https://seerepo.com/compare/bojieli/ai-agent-book/vs/dgtlmoon/changedetection.io.md
Description: ai-agent-book and changedetection.io share 10 technologies: Flask, authlib, litellm, rank-bm25, lxml, beautifulsoup4, openpyxl, Pydantic, loguru, and psutil. Both are written in Python.

# ai-agent-book vs changedetection.io

ai-agent-book and changedetection.io share 10 technologies: Flask, authlib, litellm, rank-bm25, lxml, beautifulsoup4, openpyxl, Pydantic, loguru, and psutil. Both are written in Python.

- [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
- [dgtlmoon/changedetection.io](https://seerepo.com/r/dgtlmoon/changedetection.io): Best and simplest tool for website change detection, web page monitoring, and website change alerts. Perfect for tracking content changes, price drops, restock alerts, and website defacement monitoring— MCP included! all for free or enjoy our SaaS plan!

## What they share and what sets them apart

- In common: Flask, authlib, litellm, rank-bm25, lxml, beautifulsoup4, openpyxl, Pydantic, loguru, psutil
- Only in ai-agent-book: React, uvicorn, FastAPI, azure-search-documents, azure-storage-blob, chromadb, psycopg2-binary, Postgres, pyarrow, OpenAI, Anthropic, Hugging Face, Google, PostHog, fastmcp, anyio, AIOHTTP, Next.js, Vite, Express, Astro, mkdocs-material, Rich, matplotlib, seaborn, Plotly, google-auth, google-auth-httplib2, google-auth-oauthlib, pyotp, accelerate, bitsandbytes, cut-cross-entropy, faiss-cpu, lightgbm, mem0ai, nltk, openai-whisper, scikit-image, sentencepiece, triton, xformers, torch, transformers, MCP, peft, datasets, tiktoken, Ollama, scikit-learn, groq, librosa, trl, snac, torchaudio, opencv-python, sentence-transformers, langchain-openai, mlx-audio, vLLM, python-magic, torchcodec, xlrd, xlsxwriter, pillow, python-pptx, pypdf2, reportlab, html2text, pypdf, python-docx, markdown, pdfplumber, pymupdf, sendgrid, youtube-transcript-api, yt-dlp, structlog, pptxgenjs, sharp, Tailwind CSS, D3, recharts, onnxruntime-node, class-variance-authority, tailwind-merge, Radix UI, react-syntax-highlighter, Lucide, react-markdown, remark-gfm, katex
- Only in changedetection.io: flask-cors, flask-restful, werkzeug, cryptography, flask-login, linkify-it-py, jinja2, puremagic, feedparser, segno, referencing, wtforms, flask-wtf, jsonschema, mcp-types, validators

## Side by side

| | ai-agent-book | changedetection.io |
|---|---|---|
| Size | 422,447 lines written, 1,067 code files | 108,039 lines written, 267 code files |
| Who writes it | 20.8% of its commits signed by AI. With Claude Code | 3.1% of its commits signed by AI. With Claude Code and GitHub Copilot |
| Activity | Last push October 8, 2026, 1,610 commits, 57,240 stars | Last push November 6, 2026, 2,674 commits, 35,598 stars |
| Tests | 624 test files. 34.3% of its code files have a test that imports them | 219 test files. 34.8% 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 changedetection.io?

ai-agent-book, with 422,447 lines written; changedetection.io has 108,039.

The proof: [bojieli/ai-agent-book's code at commit dbc046e](https://github.com/bojieli/ai-agent-book/tree/dbc046eb896ac4e39aa19c7774c8bf49583b89a6)

### Which has more GitHub stars, ai-agent-book or changedetection.io?

ai-agent-book, with 57,240 stars; changedetection.io has 35,598.

The proof: [bojieli/ai-agent-book on GitHub](https://github.com/bojieli/ai-agent-book)

### Which has more tests, ai-agent-book or changedetection.io?

ai-agent-book, with 624 test files; changedetection.io has 219.

The proof: [bojieli/ai-agent-book's code at commit dbc046e](https://github.com/bojieli/ai-agent-book/tree/dbc046eb896ac4e39aa19c7774c8bf49583b89a6)

### Which was updated more recently, ai-agent-book or changedetection.io?

changedetection.io: its last push was on November 6, 2026, and ai-agent-book's on October 8, 2026.

The proof: [dgtlmoon/changedetection.io's commits on GitHub](https://github.com/dgtlmoon/changedetection.io/commits)

### Which has more commits signed by AI, ai-agent-book or changedetection.io?

ai-agent-book: an AI signed 20.8% of its commits, with Claude Code; in changedetection.io, 3.1%.

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 November 5, 2026, at commit dbc046e (https://github.com/bojieli/ai-agent-book/tree/dbc046eb896ac4e39aa19c7774c8bf49583b89a6)
- dgtlmoon/changedetection.io: Read on November 7, 2026, at commit 09619ff (https://github.com/dgtlmoon/changedetection.io/tree/09619ffddb40300e6c09374a4f6aa9af8bab0c3d)

## 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.
