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llamaindex

Data framework for building LLM applications with RAG. Specializes in document ingestion (300+ connectors), indexing, and querying. Features vector indices, query engines, agents, and multi-modal support. Use for document Q&A, chatbots, knowledge retrieval, or building RAG pipelines. Best for data-centric LLM applications.

3,579stars289forksUpdated 2/18/2026

Security Assessment

Low Risk(85/100)

Detected risks:

Secret Exposure([SKILL.md] api_key=)
Security Score85/100

About llamaindex

LlamaIndex is a data framework designed for building retrieval-augmented generation (RAG) applications with large language models (LLMs). It provides a comprehensive solution for integrating and indexing data from a variety of sources, making it ideal for document question-answering, knowledge retrieval, and chatbot applications that require access to private or proprietary data. With over 300 connectors, LlamaIndex allows users to easily ingest documents from diverse sources such as web pages, GitHub repositories, and local file systems, simplifying the process of creating robust LLM applications powered by real-time, accurate data.

LlamaIndex specializes in providing high-performance vector indices for semantic search, query engines for complex questions, and agents that support multi-modal data handling. It offers several types of indices such as vector, list, and tree indices, enabling users to choose the most suitable structure for their data. The framework also supports multi-modal workflows, making it an excellent choice for building data-centric LLM applications that require extensive data manipulation, structured queries, and seamless integration with external data sources.

This skill is targeted at developers working on applications that rely on knowledge retrieval, chatbots, or data-centric LLM solutions. It is particularly useful for enterprises or teams looking to integrate structured or unstructured data into their LLM applications, and for those who need to build complex RAG pipelines. With its wide range of features, LlamaIndex is perfect for users needing robust document ingestion, indexing, and querying capabilities within their LLM-based applications.

FAQ

How do I install LlamaIndex?

You can install LlamaIndex using the following command: `pip install llama-index`. Alternatively, you can install minimal core packages and specific integrations using `pip install llama-index-core`, `pip install llama-index-llms-openai`, and `pip install llama-index-embeddings-openai`.

What types of indices does LlamaIndex support?

LlamaIndex supports several types of indices, including vector indices (for semantic search), list indices (for sequential scans), and tree indices (for hierarchical summaries). These indices can be used to structure your data in the way that best fits your use case.

Can I use LlamaIndex with my own data sources?

Yes, LlamaIndex supports over 300 data connectors, including local file systems, web pages, GitHub repositories, and manual document creation. You can ingest data from multiple sources and integrate it into your LLM applications.

What are the main use cases for LlamaIndex?

LlamaIndex is primarily used for building RAG applications, document question-answering systems, knowledge retrieval solutions, and chatbots. It is also useful for enterprises needing to create knowledge bases from their private data or those who require structured data extraction from documents.

Does LlamaIndex support streaming queries?

Yes, LlamaIndex supports streaming queries. You can configure the query engine to stream responses, which is useful when handling large amounts of data or when responses are generated progressively.

Install llamaindex

Download and extract the skill files to your .claude/skills/ directory.

Quick Setup:

  1. Copy the skill folder to .claude/skills/
  2. Claude will automatically detect and use the skill