Harness Toolbox/RAG & retrieval/VectifyAI/PageIndex

VectifyAI/PageIndex

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

View on GitHub →

PythonMITagentic-aiagentsaiai-agentscontext-engineering

Stars

34.1k

Δ 7d

+154

Δ 30d

+994

Age

1 yr

Last push

44m ago

90-day star history

#2 of 6 in RAG & retrieval

Most-wanted open issues

Ranked by 👍 reactions. 68 open issues total, checked 2026-07-17.

Issue	👍	Comments	Opened
Are there any plans to open-source the retrieval code?	15	1	5 mo
速度太慢	2	1	4 mo
code no used def process_toc_no_page_numbers	1	1	1 yr
[Bug] Unthrottled concurrent LLM requests lead to HTTP 429 Rate Limits and cascading KeyError in tree generation	1	1	1 mo
PAGEINDEX_API_KEY	1	5	8 mo

Alternatives in RAG & retrieval

infiniflow/ragflow

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

⭐85.3k

Go

2 yrs

chroma-core/chroma

Search infrastructure for AI

⭐28.8k

+667d

Rust

3 yrs

mukul975/Anthropic-Cybersecurity-Skills

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

⭐25.7k

+5007d

Python

4 mo

ktx is an executable context layer for data and analytics agents 🐙 Allow Claude Code, Codex, or other AI agen…

⭐1.5k

+267d

TypeScript

2 mo

volcengine/SearchCLI

Open CLI for integrating AI search, recommendation, and conversational retrieval into agent systems and busine…

⭐1.1k

+1087d

TypeScript

2 mo