OntoCode¶
OntoCode is the VS Code / Cursor IDE for OWL, RDF, and OBO — explorer, React Entity Inspector, Query Workbench (SQL / SPARQL / DL), graphs, reasoner, refactor preview, and plugin UI — powered by OntoCore.
Latest tagged: v0.26.2 · Marketplace · Open VSX
Start here if you have not installed yet: First success (~10 min).
What you get¶
| Surface | Purpose |
|---|---|
| Activity bar trees | Ontologies, Classes, Properties, Individuals, Diagnostics |
| Entity Inspector | Browse and edit labels, parents, axioms (writable formats) |
| Query Workbench | Catalog SQL (subset), SPARQL, and DL Query |
| Graphs | Class, property, import, neighborhood, and v0.26 kinds |
| Reasoner / Explanation | Classify, consistency, realize, unsat explanations |
| Refactor / Semantic diff | Preview and apply refactors; compare versions |
| Plugins | SDK 1.0 commands, views, preferences, context actions |
Capability truth: What ships today · Known limitations · Supported formats.
Next steps¶
| Goal | Document |
|---|---|
| Install and first edit | First success |
| Tour the IDE | Feature tour |
| Extension settings & install detail | VS Code extension · Install |
| Author Turtle / OBO / XML | Authoring · OBO authoring · OWL/XML write-back |
| Query | Query Workbench · DL Query |
| Reason / refactor | Reasoner · Refactoring |
| Fit vs Protégé | Protégé decision |
| Engine / CLI | OntoCore overview |