Miragon MCP ToolkitBuild MCP servers whose tools answer with real UI.

One tool call, one rendered view ​

The playground's show_orders_dashboard returns a composed view: a KPI strip above an orders table, both widgets fed by one tool result. Call it yourself in the guided tour, no clone needed.

What the toolkit gives you ​

• Plugin contract: bundle tools, steps and widgets into one AppPlugin; the framework wires the registries and the view rendering.
• Pipelines and steps: resolve data declaratively. Steps publish keys, later steps and widgets consume them, and a failing step degrades its own cells instead of the whole view.
• Widgets and the view builder: render structured data with React components in the Miragon design system, and white-label them through role tokens. Users can edit a view and save it as a dashboard without a round trip through the model.
• Self-contained servers: each server owns its tools, steps, widgets and UI bundle. Aggregating several servers is the job of an MCP gateway in front of them.
• Middleware: org gate and role filter ship as composable helpers that pass through when their config is empty.
• Type-safe tooling: tool-codegen turns a server's tools/list into typed TypeScript and React Query hooks, so a renamed tool or a drifted schema fails the build.

The source, the examples and the starter template are on GitHub.