Llamaindex
LlamaIndex data framework for LLMs. Use for RAG applications.
Install
$ agentstack add skill-g1joshi-agent-skills-llamaindex ✓ scanned · ✓ verified — works with Claude Code, Cursor, and more.
Security review
✓ PassedNo issues found. Passed automated security review. · v0.1.0 How review works →
- ✓ Prompt-injection patterns
- ✓ Secret / credential exfiltration
- ✓ Dangerous shell & filesystem operations
- ✓ Untrusted network calls
- ✓ Known-malicious package signatures
What it can access
- ✓ Network access No
- ✓ Filesystem access No
- ✓ Shell / process execution No
- ✓ Environment & secrets No
- ✓ Dynamic code execution No
From automated source analysis of v0.1.0. “Used” means the capability is present in the source — more access means more to trust, not that it’s unsafe.
About
LlamaIndex
LlamaIndex (formerly GPT Index) connects LLMs to your data. 2025 introduces Workflows, an event-driven way to build complex RAG pipelines.
When to Use
- RAG (Retrieval Augmented Generation): Indexing PDFs, Docs, SQL to chat with them.
- Structured Data: Querying SQL/Pandas with natural language (
NLSQL). - Agents: Building research agents that browse the web and summarize.
Core Concepts
Workflows
Event-driven architecture for agents. Replace DAGs with event listeners (@step).
Query Engine
High-level API (index.as_query_engine()) to ask questions.
Data Loaders (LlamaHub)
Connectors for Notion, Slack, Discord, PDF, etc.
Best Practices (2025)
Do:
- Use Workflows: They are harder to learn but easier to debug than monolithic engines.
- Use Hybrid Search: BM25 (Keyword) + Vector Search for best retrieval accuracy.
- Use Rerankers: Always rerank retrieved nodes (Cohere/BGE) before sending to LLM.
Don't:
- Don't dump raw text: Use "Node Parsers" to chunk data intelligently (Markdown, Semantic).
References
Source & license
This open-source skill is cataloged on AgentStack and links to its original source — we do not rehost the code.
- Author: G1Joshi
- Source: G1Joshi/Agent-Skills
- License: MIT
- Homepage: https://skills.sh/g1joshi/agent-skills
Install and usage instructions live in the source repository linked above.
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Versions
- v0.1.0 Imported from the upstream source.