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IFCtoLBD

IFCtoLBD converts IFC (Industry Foundation Classes STEP formatted files into the Linked Building Data ontologies.

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What's in it

Data offered docs-verified
IFC to Linked Building Data (LBD) triples · element type, property set and geometry export selection · SPARQL querying of generated LBD · SHACL validation of generated LBD · exported geometry preview in desktop app · generated LBD identifiers for linking to external datasets
Formats docs-verified
IFC STEP · IFC/XML · IFC/JSON · Turtle · JSON-LD · ICDD
Access docs-verified
Free and open source, Apache-2.0 licence, no authentication; Java 21 needed for the Java distribution

Useful for

Use cases llm-inferred
Completeness check of IFC element and property coverage via SPARQL queries on exported LBD · Revision comparison between successive IFC model issues · Generating LBD identifiers to link IFC elements to asset or sensor records in a client data platform
Audience docs-verified
BIM practitioners · data engineers · researchers · developers

Limitations

Constraints docs-verified
Java distribution requires Java 21 · Beginner workflow is pinned to release 2.49.0; some features exist only in development version 2.55.0 · No prebuilt MCP package in release 2.49.0; MCP server must be built from source · Converter does not create external links to asset records, products, sensors or other datasets · Windows CLI executable in 2.49.0; Linux and macOS users use the Java app · MCP tool names are not published in the entry or docs
Licence
Apache-2.0
Authentication
Unknown — review source docs
GitHub stars
120
Last commit
15/10/2026
Last successful page check
14/10/2026
Page health
healthy
Package
Not recorded
Verification
Not independently verified

Auto-extracted, unverified fields: tools, auth. Check upstream documentation.

Provenance & evidence

Daily discovery 2026-10-15: GitHub search; verified via GitHub API. Tools/install/auth auto-extracted from README.

Metadata observed 16/10/2026 · daily-2026-10-15 (github-search)