Agent Skill
Llamaindex skill
llamaindexOrchestra-Research/AI-Research-SKILLs14-agents/llamaindex/SKILL.md
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.
always on
70 tokname + description
once used
3,360 tokSKILL.md body
bundled files
314 KB
repo stars
14kGitHub
Install the Llamaindex skill
Skills CLI (Claude Code, Codex, Cursor and others)
npx skills add https://github.com/Orchestra-Research/AI-Research-SKILLs --skill llamaindex
Claude Code, by hand (all projects)
git clone --depth 1 https://github.com/Orchestra-Research/AI-Research-SKILLs.git /tmp/AI-Research-SKILLs mkdir -p ~/.claude/skills cp -R /tmp/AI-Research-SKILLs/14-agents/llamaindex ~/.claude/skills/llamaindex
For one project only, copy the folder into .claude/skills/ in that project instead. The agent picks it up when a task matches its description.
What it costs your context
Agent Skills load in three steps. Tokens counted with the o200k tokenizer; your model's count will differ a little.
| When | What loads | Cost |
|---|---|---|
| Every session | Name and description | 70 tok |
| When the agent uses it | The SKILL.md instructions | 3,360 tok |
| Only if opened | 3 bundled files (14 KB) | varies |
Until it is used, llamaindex costs about 19× less than the median MCP server we measured (1,362 tokens on every turn). Installing all 98 skills from Orchestra-Research/AI-Research-SKILLs would load 6,174 tokens of descriptions. Skills vs MCP study
Checks
- The instructions are over 500 lines; the specification suggests moving detail into reference files.
Checked 2026-10-22 · method
What's inside
The headings of its SKILL.md. Read the full file on GitHub.
- LlamaIndex - Data Framework for LLM Applications
- When to use LlamaIndex
- Quick start
- Installation
- 5-line RAG example
- Core concepts
- 1. Data connectors - Load documents
- 2. Indices - Structure data
- 3. Query engines - Ask questions
- 4. Retrievers - Find relevant chunks
- Agents with tools
- Basic agent
- RAG agent (document search + tools)
- Advanced RAG patterns
- Chat engine (conversational)
- Metadata filtering
- Structured output
- Data ingestion patterns
- Multiple file types
- Web scraping
- Database
- API endpoints
- Vector store integrations
- Chroma (local)
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