Test what a development site can hold before you pay an architect for full drawings: give an AI design agent the site and your brief, have it research zoning, work out the buildable envelope and compare scored massing options: AI agent prompt
Snaptrude launched Snaptrude Agent on Oct 29, 2026 (reported by AEC Magazine), an AI agent inside its browser-based building design platform. Users give it a prompt, brief or drawing, review its proposed plan, then approve or redirect it. Snaptrude says it can generate anything from a handful to hundreds of massing options from a site analysis, convert the chosen one into a detailed LoD 400 BIM model with structure, MEP and drawing sets to a firm's standards, and hand the model to Revit. Its help centre says the site analysis researches zoning and site conditions, cites sources and flags gaps. These are vendor claims, and zoning and code compliance still need a licensed professional. The prompt below helps a buyer, developer or agent run a first-pass feasibility check with any AI before commissioning design work.
The prompt
Help me run a first-pass feasibility check on a development site. Site: [address or parcel ID], lot size [area], current zoning [zone, if known], existing buildings [describe]. What I want to build: [e.g. 12 townhouses / a 4-storey mixed-use building with ground-floor retail], target unit mix [describe], budget [amount]. 1) Research the zoning rules that likely apply (permitted uses, height, setbacks, lot coverage, floor area ratio, parking) and cite the official source for each; list anything you couldn't confirm as a [CHECK] item. 2) Work out the rough buildable envelope and maximum floor area. 3) Propose 3 massing options (e.g. maximum floor area, balanced, lowest cost) with storeys, gross and saleable area, unit count and parking for each. 4) Score each option on fit with the rules, unit yield and build complexity, and recommend one. 5) Flag anything that would likely need a variance or rezoning. 6) Write the questions I should ask the city planning office and an architect before going further. This is a screening exercise, not a design or compliance opinion.
Fill in the blanks, then copy
This prompt has 6 [bracket]s to fill in. Type your details below and the prompt updates as you go. Your answers stay in this browser and are reused on other prompts with the same blanks. Nothing is sent to us.
Example values are fictional, just to show how a filled-in prompt reads. Replace them with your real details.How to use it
- Copy the prompt above.
- Replace every [bracket] with your own details (use the fill-in-the-blanks box above, which remembers your answers for the next prompt).
- Paste it into Snaptrude, ChatGPT, Claude and review the answer before you use it.
Works with: Snaptrude, ChatGPT, Claude, Gemini
Real-world example: aecmag.com/bim/snaptrude-agent-launches-for-bim-workflows/
Featured in: AI prompts to summarize meetings, notes, documents and reports
Before you use it: what to check
Check yourself
- Check every figure, price and total against your own records before anything is sent, posted or booked. A person approves refunds, discounts, payments and price changes.
- Anything legal, tax or compliance-related is a first draft for a qualified person to check. It is not professional advice, and clause references and deadlines must be checked against the source.
- Check names, dates, numbers and any claim against your own source material before you use the answer. AI can misread or invent details.
Using an AI agent? Download this prompt as a SKILL.md agent skill with these checks built in, or get the .zip for Claude.ai. How to install skills.
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