n8n-cost-estimation

Installation
SKILL.md

Automated Cost Estimation Pipeline

Business Case

Problem Statement

Traditional cost estimation requires:

  • Manual work item lookup in price databases
  • Time-consuming element classification
  • Expert knowledge of pricing standards
  • Repetitive data entry

Solution

Free open-source n8n pipeline that converts CAD (Revit 2015-2026) files into full cost and time estimates using AI (LLM) and vector database with 55,000+ work items.

Business Value

Installs
67
GitHub Stars
229
First Seen
Mar 5, 2026
n8n-cost-estimation — datadrivenconstruction/ddc_skills_for_ai_agents_in_construction