LinkML Modeler App

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LinkML Modeler AppVisual editor for LinkML schemas

Model your data with a powerful, interactive graph editor. Design, validate, and export LinkML schemas visually.

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Developer Guide
Design Spec
LinkML Modeler App
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Visual Schema Editing

Drag-and-drop graph editor for LinkML classes, enums, and slots. Build your data model visually without writing YAML by hand.

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LinkML YAML Generation

Automatically generates valid LinkML YAML from your visual model. Export schemas ready for use with the LinkML toolchain.

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Git Integration

Load and save schemas directly from Git repositories. Version-control your data models with full Git workflow support.

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Multi-schema Support

Work with multiple imported schemas simultaneously. Cross-schema references are validated and displayed as ghost nodes.

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Cross-platform

Runs as a web app in any modern browser, or as an Electron desktop application for a native experience on Mac, Windows, and Linux.

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Focus Mode

Zoom in on selected entities and their relationships. Reduce visual clutter when working with large, complex schemas.

Documentation ​

SectionDescription
User GuideStep-by-step instructions for loading schemas, editing nodes, and exporting YAML
Developer GuideArchitecture overview, monorepo setup, and contributing guidelines
Design SpecProduct decisions, UI/UX rationale, and feature design documentation