# Llama Index

> LlamaIndex

- Skill: `ffsshhttiikk/llama-index` (Agent Skill)
- Install (CLI): `npx skillmds@latest add ffsshhttiikk/llama-index`
- Raw SKILL.md: https://api.skillmd.com/api/skills/ffsshhttiikk/llama-index/raw
- Safety review: pending
- Works with: Claude Code, Claude.ai, OpenAI Codex
- Category: Coding & Dev Tools
- Author: ffsshhttiikk (https://skillmd.com/u/ffsshhttiikk)
- Updated: 2026-09-17
- Page: https://skillmd.com/skills/ffsshhttiikk/llama-index

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# LlamaIndex

LlamaIndex (formerly GPT Index) is a data interface for LLMs. It provides tools for building RAG applications, connecting external data sources to LLMs.

## Key Concepts

- Data connectors (loaders)
- Index structures
- Query engines
- Retrievers
- Data agents

## Common Use Cases

- RAG over documents
- Knowledge bases
- Q&A systems
- Document summarization
- Multi-modal RAG

## Best Practices

- Choose appropriate index type for data
- Implement proper chunking strategies
- Use hybrid retrieval for better results
- Cache frequently accessed data
- Implement proper filtering

## Resources

- Docs: docs.llamaindex.ai
- Related Skills: langchain, vector-databases, rag