Fast GraphRAG is a framework designed for interpretable, high-precision, agent-driven retrieval workflows, leveraging PageRank-based graph exploration for enhanced accuracy and dependability. It constructs a knowledge graph on the fly based on the user's data and can be used for various applications such as question answering and text analysis. The framework is built to fit seamlessly into a retrieval pipeline, providing the power of advanced RAG without the overhead of building and designing agentic workflows. Fast GraphRAG is open-source and available on GitHub.