Guide to OpenConstructionERP: architecture, modules, API surface and quick start. Use when starting any OpenConstructionERP work, onboarding a user to the platform, or deciding which module/endpoint to use.
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See how to installReview the instructions the agent will receive before you install.
OpenConstructionERP is a self-hosted, open-source (AGPL-3.0) construction ERP by DataDrivenConstruction: BOQ management, CAD/BIM takeoff (RVT/IFC/DWG/DGN), 4D scheduling, 5D cost modelling, tendering, field management and 180+ modules in one platform. It runs embedded PostgreSQL (no Docker required) with a FastAPI backend and a Vite/React frontend.
Homepage: https://openconstructionerp.com · Repo: https://github.com/datadrivenconstruction/OpenConstructionERP · Docs: https://openconstructionerp.com/docs
| Need | Module | Key endpoints |
|---|---|---|
| Browse/load cost databases | costs | GET /api/v1/costs/base-catalog, POST /api/v1/costs/load-cwicr/{db_id}, GET /api/v1/costs/?region=...&q=... |
| Resource catalogs | catalog | POST /api/v1/catalog/import/{region}, GET /api/v1/catalog/... |
| Bill of quantities | boq | POST /api/v1/boqs, GET /api/v1/boqs/{id}, validate/import GAEB |
| BIM elements / takeoff | bim | upload RVT/IFC/DWG/DGN, link elements to BOQ lines |
| Schedule (4D) / cost (5D) | scheduling | tasks, dependencies, cost model roll-ups |
| Issues & quality | punch_list, validation | punch items, validation rule packs (DIN276/NRM/GAEB) |
| Site daily ops | daily_diary, hse | diary entries, safety observations |
| Docs / tasks / risks | documents, tasks, risks | file approvals, task board, risk register |
| Portfolio map | geo_hub | projects on a 3D globe |
| Property development | property_dev | lead → SPA → handover |
cd backend && python -m uvicorn app.main:create_app --factory --reload --port 8000
cd frontend && npm run dev # http://localhost:5173
Auth: bootstrap admin (first registered user), JWT tokens, role-based permissions (viewer/editor/manager/admin). POST /auth/register, POST /auth/login.
rate_code, rate_original_name, rate_final_name, rate_unit, total_cost_per_position, classification collection/department/section/subsection/category, resource lines resource_*, flags is_material/is_machine/is_labor).^[A-Z]{2,3}_[A-Z0-9]+$ (e.g. TR_NATIONAL, ZH_CHINA, BR_NATIONAL).(code, region) — re-loading returns already_loaded.load-cwicr), then swap language (automatic via home_language_code), then reprice markets via the catalog path.GET /api/v1/costs/regions/stats/ and a sampled item's rate against the parquet's total_cost_per_position.No reviews yet. Tell others what you thought.
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Create 4D construction simulations by linking BIM elements to project schedules. Generate time-based visualizations, sequence analysis, and construction phasing with Gantt integration.
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Analyze 5000+ IFC and Revit projects at scale for patterns, benchmarks, and insights. Big data analysis for construction.
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Orchestrate multiple AI agents for construction workflows: estimator, scheduler, document, QA and safety agents coordinated by a supervisor agent, with human checkpoints. Use when automating end-to-end project processes with agentic AI.
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Create Apache Airflow DAGs for construction data pipelines. Orchestrate ETL, validation, and reporting workflows.
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Automate as-built documentation and digital handover for construction. Compile project records, generate O&M manuals, create asset databases, and ensure complete project closeout.
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