Open multilingual construction cost database for AI Agents - 55K+ work items, 27K+ resources, 30 regions. Semantic search via Qdrant vector DB
# Add to your Claude Code skills
git clone https://github.com/datadrivenconstruction/OpenConstructionEstimate-DDC-CWICRGuides for using ai agents skills like OpenConstructionEstimate-DDC-CWICR.
Last scanned: 5/30/2026
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OpenConstructionEstimate-DDC-CWICR is an open-source ai agents skill for AI coding assistants such as Claude Code, Codex CLI, and ChatGPT, built by datadrivenconstruction. Open multilingual construction cost database for AI Agents - 55K+ work items, 27K+ resources, 30 regions. Semantic search via Qdrant vector DB. It has 148 GitHub stars.
OpenConstructionEstimate-DDC-CWICR returned warnings in SkillsLLM's automated security scan. It has no critical vulnerabilities, but review the flagged issues in the Security Report section before adding it to your workflow.
Clone the repository with "git clone https://github.com/datadrivenconstruction/OpenConstructionEstimate-DDC-CWICR" and add it to your Claude Code skills directory (see the Installation section above).
OpenConstructionEstimate-DDC-CWICR is primarily written in HTML. It is open-source under datadrivenconstruction on GitHub, so you can review or fork the full source.
Yes. SkillsLLM lists many other AI Agents skills you can browse and compare side by side. Open the AI Agents category from the badge at the top of this page, or use the Related Skills and comparison links further down to weigh OpenConstructionEstimate-DDC-CWICR against similar tools.
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Requires a passing catalog security scan. Resolve the flagged issues and resubmit to enable featuring.
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OpenConstructionEstimate-DDC-CWICR vs everything claude code
See comparison
pip install --upgrade openconstructionerp
openestimate # opens the desktop app at http://localhost:8080
The app launches with the 30 CWICR country tracks pre-installed — start a new
project, pick a region, and the BoQ editor instantly suggests rates from
ddc_de_berlin, ddc_au_sydney, ddc_hr_zagreb, etc. with proper localised
prices and translated work descriptions.