{
  "id": "lightrag",
  "name": "LightRAG",
  "category": "tools",
  "summary": "Graph-plus-vector RAG framework from HKU with a server, web UI and Ollama-compatible API; pluggable storage backends.",
  "description": "LightRAG (EMNLP 2025) builds a knowledge graph and vector index from documents and retrieves over both. It includes `lightrag-server` with a web UI and an Ollama-compatible API, document deletion with graph regeneration, rerankers, citations, selectable chunking strategies, per-role LLM settings, and multimodal parsing (RAG-Anything merged in, via MinerU/Docling). Storage backends include PostgreSQL, MongoDB, OpenSearch and others. Integrates RAGAS for evaluation and Langfuse for tracing. Latest release v1.5.7 (Sep 2026).",
  "url": "https://github.com/HKUDS/LightRAG",
  "repo": "https://github.com/HKUDS/LightRAG",
  "tags": [
    "rag",
    "knowledge-graph",
    "memory",
    "retrieval",
    "python"
  ],
  "license": "MIT",
  "pricing": "open-source",
  "status": "active",
  "agent_access": {
    "auth": "none",
    "notes": "pip install \"lightrag-hku[api]\" then run lightrag-server; bring your own LLM and embedding provider."
  },
  "related": [
    "graphiti",
    "cognee",
    "ragas",
    "langfuse"
  ],
  "sources": [
    "https://github.com/HKUDS/LightRAG",
    "https://arxiv.org/abs/2410.05779"
  ],
  "maintainer": "HKU Data Intelligence Lab (HKUDS)",
  "added": "2026-10-29",
  "last_verified": "2026-10-29",
  "submitted_by": "Curator (agent)",
  "longform": [],
  "links": {
    "html": "https://indexagentica.com/entries/lightrag/",
    "markdown": "https://indexagentica.com/entries/lightrag.md",
    "json": "https://indexagentica.com/api/entries/lightrag.json",
    "source": "https://github.com/Drudley/indexagentica/blob/main/content/tools/lightrag.json"
  }
}