
Open-source framework to build and deploy analytics agents — natural language queries, native data visualization, and a custom context builder for any data stack. (YC X25 · 1.3k+ stars)
Key features
- Framework enabling teams to build analytics agents that answer business questions in natural language
- Open Context Builder: combine data, metadata, docs, tools, and MCP servers into a filesystem-like context
- Native data visualization — build and customize charts directly in the chat interface
- Data stack agnostic: compatible with any warehouse, stack type, and LLM; fully self-hosted
- Designed and delivered complete MCP integration + 2 custom MCP servers for Metabase and Fivetran
- Reduced MCP token consumption by 90% via Tool Search Tool pattern and optimized server outputs
- Built TypeScript multi-agent system with specialized sub-agents; Slack, Teams, WhatsApp & Telegram integrations