MatPlotLibNet — matplotlib for .NET

A charting library for C#, .NET 10 and .NET 8. It draws 83 chart types and saves them as SVG, PNG, PDF or an animated GIF, straight from your server code. It comes with 148 colormaps, 13 map projections, 30 themes, streaming, an MCP server for AI agents, and native controls for Blazor, WPF, MAUI, Avalonia and Uno. It comes as 15 NuGet packages, and it needs no JavaScript framework, no WebView and no hosted service.

Beyond the 83 chart types, 17 chart verbs draw whole charts from your data in one call, such as a Pareto chart, a ridgeline, a calendar heatmap, a control chart or a Kaplan-Meier curve. A verb adds no chart type of its own: it is built from series the library already has, so the figure still goes through JSON, the MCP server and the native controls.

Quick start

using MatPlotLibNet;
using MatPlotLibNet.Styling;

double[] x = [1, 2, 3, 4, 5];
double[] y = [2, 4, 3, 5, 1];

Plt.Create()
    .WithTitle("My First Chart")
    .WithTheme(Theme.Dark)
    .AddSubPlot(1, 1, 1, ax => ax
        .Plot(x, y, s => { s.Color = Colors.Blue; s.Label = "Data"; })
        .WithLegend())
    .Save("chart.svg");

Explore

Section Description
From matplotlib to C# Know plt.plot and plt.subplots? This is the same table in C#, call by call.
Playground Try charts live in the browser. Pick an example, change it and see the SVG update.
Cookbook Code examples with rendered images. Copy the code, paste it, and you get the chart.
API Reference Full API documentation generated from XML doc comments
Wiki Guides, tutorials, and architecture documentation
NuGet Install via dotnet add package MatPlotLibNet

Packages

Package Purpose
MatPlotLibNet Core: models, fluent API, SVG rendering
MatPlotLibNet.Skia PNG, PDF, GIF export via SkiaSharp
MatPlotLibNet.Blazor Razor components with SignalR
MatPlotLibNet.AspNetCore REST, a SignalR hub and IChartPublisher
MatPlotLibNet.Interactive Browser popup — no server needed
MatPlotLibNet.GraphQL HotChocolate queries and subscriptions
MatPlotLibNet.Maui Native MAUI control
MatPlotLibNet.Avalonia Native Avalonia 12 control
MatPlotLibNet.Uno Native Uno Platform control
MatPlotLibNet.DataFrame DataFrame indicators and regression
MatPlotLibNet.Wpf Native WPF chart control via SkiaSharp
MatPlotLibNet.Geo 13 map projections, GeoJSON, Natural Earth 110m data
MatPlotLibNet.Mcp MCP server that provides charts for an AI agent
MatPlotLibNet.Verso Charts inside a Verso notebook cell, drawn as SVG
MatPlotLibNet.Notebooks Inline SVG in Polyglot or Jupyter notebooks. Microsoft has ended the runtime underneath it, so existing notebooks keep working and new work belongs in MatPlotLibNet.Verso
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