Microsoft Research introduced Flint, a visualization intermediate language that enables AI agents to generate polished charts from simple, human-editable specifications. The Flint compiler derives optimized settings for scales, axes, formatting, and layout from semantic data types and chart encodings, eliminating verbose low-level parameters. A single specification can compile to multiple backends including Vega-Lite, Apache ECharts, and Chart.js. The open-source project includes the flint-chart library and flint-chart-mcp server for agent workflows.
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