Guides
How to connect Claude and ChatGPT to the systems contractors and owners run, how to keep it safe, which questions to ask, and what the research says. Sources are linked, and we say where we could not check them.
Claude can answer questions from Vista, Sage 300 CRE, Foundation and other construction systems once an MCP server sits in front of them. The steps, what to check first, and how to keep it safe.
24 October 2026 · 5 min read
A copy-and-paste cheat sheet of job cost, billing, payables, project and capital-program questions for contractors and owners, with notes on what a good answer looks like.
24 October 2026 · 4 min read
Before an MCP server touches your accounting or project data, ask these twelve questions, drawn from the MCP specification, the OWASP guidance on AI agents, and Anthropic's own connector warnings.
24 October 2026 · 5 min read
Overbilling and underbilling explained with a worked example: how earned revenue is calculated, what each result means for cash and margin, and the questions to put to your accounting data.
24 October 2026 · 4 min read
Recent surveys show most construction firms use AI somewhere but few have embedded it, and that data quality and security are the brakes. What the RICS, Dodge/CMiC and Autodesk/FMI research found, and what it means.
24 October 2026 · 3 min read
Older construction accounting systems run inside your network with no cloud API. Three ways to let an AI assistant query them, why an outbound-only agent is the safest, and a checklist for your IT team.
24 October 2026 · 4 min read
Job cost sits in one system, schedules in another, RFIs in a third. How to answer cross-system questions without a data warehouse project, including how to match a job across systems.
24 October 2026 · 4 min read
An AI assistant can only answer well from clean data. Seven practical steps to check job numbers, cost types, vendors, change orders and permissions before you connect Claude or ChatGPT to your accounting system.
24 October 2026 · 3 min read
Junction connects Claude and ChatGPT to construction accounting, project, estimating and property systems. It is in early access.