flexible-graphrag MCP server
Python, LlamaIndex, LangChain, 15 Property Graph, 4 RDF , 10 Vector, OpenSearch, Elasticsearch DBs. 14 data sources, 10 auto sync: Alfresco, Nuxeo, etc. KG auto-building, Ontologies, LLMs, Docling, LlamaParse, LiteParse, GraphRAG, RAG, Hybrid Search, AI Chat. TypeScript React, Vue, Angular frontends, REST, MCP Server. Options: Langflow, CocoIndex
What flexible-graphrag does
Summarised from the project README; check the repository for the latest details.
Features
- Hybrid Search: Configurable hybrid search combining vector search, full-text search, property-graph GraphRAG, and SPARQL against RDF stores.
- 4 RDF Triple Stores: Apache Jena Fuseki, Ontotext GraphDB, Oxigraph, Amazon Neptune RDF.
- 10 Vector Databases: Qdrant, Elasticsearch, OpenSearch, Neo4j, Chroma, Milvus, Weaviate, Pinecone, PostgreSQL pgvector, LanceDB — for semantic similarity search
- 3 Search Databases: Elasticsearch, OpenSearch, BM25 (built-in) — for full-text search and hybrid ranking
- Embedding providers: OpenAI, Ollama, Azure OpenAI, Google GenAI, Vertex AI, Bedrock, Fireworks, OpenAI-like (`EMBEDDINGKIND=openailike`), and LiteLLM — see LLM Configuration
- Observability: Built-in OpenTelemetry instrumentation with automatic LlamaIndex tracing, Prometheus metrics, Jaeger traces, and Grafana dashboards for production monitoring
Requirements
- Python 3.12, 3.13, or 3.14 (as specified in `pyproject.toml`)
- UV package manager (for dependency management)
- Node.js 22.x (for UI clients)
- npm (package manager)
- Search database: Elasticsearch or OpenSearch
Repository: stevereiner/flexible-graphrag
Website: https://stevereiner.github.io/flexible-graphrag/
Stars: ★192
Language: Python
Last updated: 2026-10-10
ai-chatai-context-managementalfrescoarcadedbdoclingdocument-processingfalkordbgraphraghybrid-searchknowledge-graphladybugdblangchainlangflowliteparsellamaindexllamaparsemcp-serverneo4jnuxeorag
Website: https://stevereiner.github.io/flexible-graphrag/
Stars: ★192
Language: Python
Last updated: 2026-10-10
ai-chatai-context-managementalfrescoarcadedbdoclingdocument-processingfalkordbgraphraghybrid-searchknowledge-graphladybugdblangchainlangflowliteparsellamaindexllamaparsemcp-serverneo4jnuxeorag
How to install flexible-graphrag
No install config was found in this README. See the repository for setup steps, then follow our guides for Claude Desktop, Cursor or VS Code.
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