Floor Area Ratio Calculator MCP for AI. Find the limiting zoning factor in one go.
Works with every AI agent you already use
…and any MCP-compatible client








How this MCP server connects to your AI agent
Floor Area Ratio Calculator determines maximum buildable footprint, total floor area, and green space compliance for any property plot size instantly.
Stop guessing if your development plans meet complex municipal codes by checking site coverage, overall density limits, and required permeability all at once.
What AI agents can do with Floor Area Ratio Calculator Automation
Max site coverage
Determines the maximum ground footprint allowed by zoning occupancy limits based on your plot size.
Max total area
Calculates the maximum total floor area permitted across all stories, adhering to overall density rules (FAR).
Calculate permeability
Verifies that enough open ground remains after accounting for building foundations and minimum green space requirements.
Calculates the legal limit for how much of the plot can be covered by a building's foundation.
Determines the overall upper limit on the total square footage allowed across all floors, based on density rules.
Confirms if enough non-impervious ground remains after accounting for building foundations and minimum green mandates.
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What AI agents can do with Floor Area Ratio Calculator with 3 Tools
These tools allow you to check a property’s compliance by calculating maximum allowed ground footprints, total floor area, and required open space based on zoning rules.
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Add this MCP to Claude, Cursor, or Windsurf and your AI stops guessing. It gets real tools to look things up, take action, and handle the stuff you keep doing by hand.
Start using Floor Area Ratio Calculator on VinkiusMax Site Coverage
Determines the maximum ground footprint allowed by zoning occupancy limits based on your plot size.
Max Total Area
Calculates the maximum total floor area permitted across all stories, adhering to...
Calculate Permeability
Verifies that enough open ground remains after accounting for building foundations...
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Built on the Model Context Protocol (MCP) for Claude, ChatGPT, Cursor, and more
The Model Context Protocol standardizes how applications expose capabilities to LLMs. Instead of operating in isolation, your AI gains direct access to external platforms, live data, and real-world actions through secure, standardized connections.
This connection provides 3 powerful capabilities that interface natively with Claude, ChatGPT, Cursor, and other compatible AI platforms. No middleware. No custom integration required.
The zoning constraints that derail development plans, Solved with Vinkius AI Gateway
Right now, assessing a property's true potential means juggling multiple documents. You’re running calculations in one spreadsheet for density (FAR), but then you have to pull out another manual checklist to see if the required green space is met. If those two numbers don't align, your project stalls until an expert manually reconciles the conflict—and that takes days.
With this MCP, you connect your agent to core planning formulas and let it handle the reconciliation. You get a single output showing which rule—Site Coverage, Permeability, or total density—is actually holding back your build. It cuts out the guesswork entirely.
Calculate accurate limits with the Floor Area Ratio Calculator
You no longer have to run three separate compliance checks: one for ground footprint, another for open space, and a third for total floor area. Your agent sequences these tools automatically to find the most restrictive number first.
This means you stop planning around assumptions. You start designing with confirmed numbers that are guaranteed compliant.
What your AI can actually do with this
Building a property is complicated. Zoning laws pile on rules from different angles—how much ground you can cover, how dense the structure can be across multiple floors, and how much open space must remain for water absorption. Trying to track these three metrics manually is slow; it’s easy to calculate a high total floor area only to realize you failed the minimum green space requirement.
This MCP connects your AI client directly to those core planning formulas. Instead of juggling spreadsheets or calling multiple zoning experts, your agent performs a complete feasibility check in one go. It identifies which constraint—Site Coverage, overall Density (FAR), or Permeability—is actually the most restrictive factor for your specific plot.
You'll find that using this MCP through Vinkius gives you instant, quantitative compliance support. It moves development planning from educated guesswork to guaranteed calculation support.
019ec1f0-52bf-7270-af64-4eb7b783f5f3 Here's how it actually works
The bottom line is you get a single, reliable number that tells you what’s actually buildable under the current zoning rules.
Start by feeding the MCP the plot size and the maximum allowed ground coverage percentage to find the initial buildable footprint.
Next, run a permeability check using that calculated footprint against the required minimum green space percentage. This adjusts your usable building area further.
Finally, input the restricted usable footprint into the total area calculation tool with the project's FAR limit for the final answer.
Who is this actually for?
This MCP is essential for architects, real estate developers, and urban planning consultants. If your job involves checking proposed blueprints against complex municipal codes—or if you're tired of manually juggling spreadsheets that fail when one metric conflicts with another—you need this.
Uses the MCP to rapidly test various site designs, ensuring their proposed footprint meets both density (FAR) and green space mandates before submitting plans.
Runs preliminary checks on a plot using max_site_coverage and calculate_permeability to advise clients on the true buildable envelope early in the design process.
Performs full feasibility studies, chaining together multiple tools like max_total_area and max_site_coverage to provide definitive compliance reports for clients.
What Changes When You Connect
Avoid costly design errors. By chaining tools like max_site_coverage and calculate_permeability, your agent tells you immediately if a proposed foundation violates green space rules before you even start drafting.
Go beyond simple density checks. While many calculators only look at FAR, this MCP combines three distinct metrics—Site Coverage, Permeability, and Total Area—for a full compliance picture.
Save hours on feasibility studies. Instead of running multiple calculations in separate tabs, your agent performs the entire multi-step assessment instantly using the specialized functions.
Pinpoint the true constraint. When zoning rules conflict (e.g., high FAR but low permeability), this MCP identifies the most restrictive limit, so you know exactly where to focus design changes.
Build confidence in your submissions. You get instant, quantitative verification against complex municipal codes, making your planning support airtight.
See it in action
Initial site vetting for a high-density project
A developer needs to see if their 15,000 sq unit lot can handle a new mixed-use building. They ask the agent to run max_site_coverage and calculate_permeability first. The agent determines that even though FAR allows for massive total area, the required green space shrinks the usable footprint too much, forcing a redesign.
Checking compliance after foundation changes
An architect modifies a building's ground layout on a 5,000 sq unit lot. They use calculate_permeability to ensure their new foundations still leave enough open space for the local mandate, preventing zoning violations.
Quick check on total buildable area
A client provides a plot size and an FAR percentage (say, 3.0). The agent runs max_total_area to give them a fast estimate of the maximum vertical growth possible, without needing full site plans.
Resolving conflicting zoning rules
A consultant is given a plot with high FAR limits but low soil capacity. They use all three tools in sequence: first max_site_coverage, then calculate_permeability, and finally feeding the reduced footprint into max_total_area to find the realistic maximum.
The honest tradeoffs
Only checking FAR
A developer only runs a general total area calculator because they know their density rules are high. They ignore ground-level constraints and assume everything is fine.
Always run the site coverage check first, then calculate_permeability. This confirms that the physical ground space can actually support the total floor area you're trying to achieve using max_total_area.
Treating metrics independently
A user calculates maximum site coverage in one tool, then separately calculates minimum permeability. They fail to realize that the two constraints interact and limit each other.
You must chain these tools together. Run max_site_coverage first, then feed that result into calculate_permeability. This shows the true, cumulative restriction.
Guessing the limiting factor
The user assumes site coverage is the hardest limit and only uses one tool. The final plan fails because the permeability requirements were actually much tighter.
Your agent performs a full workflow, ensuring all three constraints—max_site_coverage, calculate_permeability, and max_total_area—are checked sequentially to reveal the single most restrictive limit.
When It Fits, When It Doesn't
Use this MCP if your primary problem is determining the physical limits of construction based on conflicting municipal codes. If you need to know what's buildable, you need this. It’s designed specifically for developers and architects who must satisfy three complex metrics simultaneously: ground coverage (Site Coverage), vertical density (FAR), and open space requirements (Permeability). Don't use it if you just need simple square footage math; those basic calculators won't account for zoning law nuance. Also, don't use this if you only care about the cost of materials—it's a planning tool, not an accounting one. However, if your process involves translating raw site data into legal buildable envelope dimensions, this MCP is required.
Questions you might have
How does max_site_coverage help determine buildable area? +
max_site_coverage calculates the maximum percentage of ground space your building foundation can occupy according to zoning limits. This sets a hard cap on the footprint before any other rules apply.
Does max_total_area account for green space? +
No, max_total_area focuses only on overall density (FAR) across all floors. You must first use calculate_permeability to reduce the usable footprint before running this tool.
What is the best workflow using the Floor Area Ratio Calculator? +
The correct flow is sequential: run max_site_coverage, then feed that result into calculate_permeability. Finally, use the restricted output from permeability in max_total_area for your final answer.
Can I calculate FAR without knowing the site coverage? +
You can run max_total_area standalone, but this provides a theoretical maximum density. For real-world feasibility, you must confirm ground space limits using max_site_coverage first.
What is 'permeability' in the context of calculate_permeability? +
Permeability refers to the amount of non-paved, open surface area left on a site. This ensures enough space remains for water absorption, which zoning laws mandate.
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