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ifc-lite

Open-source IFC toolkit to parse, view, query, edit, validate, and export building models. Browser-first WebGPU viewer, TypeScript SDK, CLI, MCP server, and Rust/WASM core with an exact-arithmetic geometry kernel.

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What's in it

Data offered docs-verified: IFC parsing · 3D model viewing (WebGPU) · entity and property query (including SQL via DuckDB-WASM) · IDS validation · property editing with undo · IFC STEP, glTF/GLB, CSV, JSON-LD, Parquet and IFC5 (IFCX) export · clash detection · model diff and merge · MCP server for agent access to BIM data
Formats llm-inferred: IFC2X3 · IFC4 · IFC4X3 · IFC5 (IFCX) · IFC STEP · glTF/GLB · CSV · JSON-LD · Parquet · MCP stdio · MCP streamable HTTP
Access docs-verified: Open source, MPL-2.0 licence. No authentication. Installed locally via npm/npx or run in the browser.

Useful for

Use cases llm-inferred: Validate consultant-issued IFC models against IDS requirement sets before design sign-off · Extract door, wall or space schedules from IFC for quantity or asset checks · Clash-check and federate architectural, structural and MEP IFC models into one file · Give an AI agent read and edit access to BIM properties via the MCP server
Audience llm-inferred: BIM coordinators · BIM/civils engineers · software developers building BIM tooling

Limitations

Constraints llm-inferred: Browser viewer depends on WebGPU support · Covers building models (IFC) only, not GIS, alignment or terrain data · Exact-arithmetic booleans are slower than approximate engines on boolean-heavy models · Very large files (500 MB+) are directed to the desktop build path · MCP tool names and schemas are not given in the supplied docs and need checking before use

Licence: MPL-2.0
Authentication: Unknown — review source docs
GitHub stars: 426
Last commit: 16/10/2026
Last successful page check: 14/10/2026
Page health: healthy
Package: npm:create-ifc-lite
Verification: Not independently verified

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

Provenance & evidence

Daily discovery 2026-10-16: GitHub search; verified via GitHub API. Tools/install/auth auto-extracted from README.

Metadata observed 14/10/2026 · daily-2026-10-16 (github-search)