How to Build an Open-Source AI Data Analysis Agent in 2026

Data-Analysis-Agent is an open-source conversational business data analysis system designed to streamline the process of transforming natural language queries into actionable business insights through a traceable workflow that includes schema analysis, SQL generation, query execution, chart recommendation, and output of insights. Users can upload Excel or CSV files or connect to databases such as SQLite, MySQL, PostgreSQL, and SQL Server, with support for DuckDB and Spark in development. The system aims to simplify the repetitive tasks in data analysis by automating SQL generation and chart creation, while still requiring developers to verify outputs and protect sensitive data. It offers export options for Excel, Word, and PowerPoint, making it valuable for converting AI analysis into shareable reports. Though not intended to replace BI dashboards, Data-Analysis-Agent is effective for exploratory questions and temporary business analyses, provided users review the AI-generated outputs critically.

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