Toolbox/RAG & retrieval/unclecode/crawl4ai

unclecode/crawl4ai

Open-source web crawler and scraper for LLMs and AI agents: any website into clean, LLM-ready Markdown. Run it yourself, or use Crawl4AI Cloud with one key.

View on GitHub →
PythonApache-2.0aiai-agentscrawlerdata-extractionllm
Stars
84.2k
Δ 7d
—
Δ 30d
—
Age
2 yrs
Last push
4h ago
85k85k84k84k83kSep 25
90-day star history

Where this sits in the catalog

Most-wanted open issues

Ranked by 👍 reactions. 37 open issues total, checked 2026-09-25.

Alternatives in RAG & retrieval

RAGFlow is a leading open-source Retrieval-Augmented Generation (RAG) engine that fuses cutting-edge RAG with…

⭐91.3k
+3507d
Go
2 yrs

LlamaIndex is the document processing platform for AI

⭐52.3k
+1037d
Python
3 yrs

📑 PageIndex: Document Index for Vectorless, Reasoning-based RAG

⭐35.8k
+1367d
Python
1 yr

817 structured cybersecurity skills for AI agents · Mapped to 6 frameworks: MITRE ATT&CK, NIST CSF 2.0, MITRE…

⭐33.4k
+4137d
Python
7 mo

Turn any technical book PDF into a Claude Code skill — ready to study, reference, and use while you work.

⭐32.4k
+1,2587d
Python
4 mo

Search infrastructure for AI

⭐29.4k
+497d
Rust
3 yrs