Browse and search the OpenConstructionERP cost database: classification tree, SQL and semantic search, autocomplete, certainty badges, and the resource catalog. Use when a user wants to explore cost data without building a BOQ yet.
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See how to installReview the instructions the agent will receive before you install.
Eight national bases (78,228 positions) plus 30 global markets, each in the 95-column CWICR master schema, with 26 language editions and 48 PPP-repriced resource catalogs per national base.
| Path | Endpoint | Purpose |
|---|---|---|
| Base picker | GET /api/v1/costs/base-catalog | list families, variants, currencies, positions, loaded badge |
| List / search | GET /api/v1/costs/?region=...&q=...&limit=... | SQL keyword search (works without Qdrant) |
| Tree | GET /api/v1/costs/category-tree/?region=... | collection → department → section → subsection → category |
| Item detail | GET /api/v1/costs/{id} | full components[] breakdown + metadata + variants |
| Autocomplete | GET /api/v1/costs/autocomplete?q=... | fast typeahead for the BOQ editor |
| Semantic | /qdrant-search (Qdrant) | BGE-M3 multilingual ranking across cwicr_<lang>_v3 collections |
Every item carries classification{} built from the parquet:
collection (source, e.g. "İnşaat")
└─ department (discipline, e.g. "İnşaat")
└─ section (chapter, e.g. "LAVABOLAR")
└─ subsection
└─ category (normalized type, e.g. "CONSTRUCTION WORK")
Chinese positions may show partial classification (source scope) — that is honest, not a bug.
variants[] with per-variant prices; picking one replaces the BOQ line description/price.certainty badges grade how confidently an item matches a BIM element — review low-certainty picks.The catalog module stores the compact per-market catalogs (resource_code, name, type, category, unit, price_avg/min/max, currency, usage_count, classification under specifications). Coefficient bases (VN, ID) seed an editable resource price sheet here — that is how they become estimable.
rate = 0 on VN/ID as "not yet priced", not as free work.No reviews yet. Tell others what you thought.
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