Proven Plaza Calculators & Open Data

Server Details

Free trades/DIY calculators plus Florida contractor, permit, federal award and AI-crawler data.

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Status: Healthy
Last Tested: 2026-10-12 01:16
Transport: Streamable HTTP · MCP 2025-11-25
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Available Tools

27 tools

ai_crawler_auditAI crawler robots.txt audit

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Inspect

Check a public site robots.txt for AI crawler allow/deny verdicts.

ParametersJSON Schema

Name	Required	Description	Default
`url`	Yes
`path`	No

calc_ac_btuRoom AC BTU Calculator (ENERGY STAR Sizing)

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Room air-conditioner capacity using the ENERGY STAR sizing chart and its adjustments for sun, occupants and kitchens. Formula: Base BTU from the ENERGY STAR area chart; −10% heavily shaded, +10% very sunny, +600 BTU per person above 2, +4,000 BTU for a kitchen.

ParametersJSON Schema

Name	Required	Description
`shade`	No	Sun exposure; default normal
`kitchen`	No	Used as kitchen; default 0
`occupants`	No	Regular occupants; default 2
`room_sqft`	No	Room area (sq ft); default 350

calc_asphaltAsphalt Calculator (Tons for Driveways)

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Tons of hot-mix asphalt for a driveway or lot from area, compacted depth and mix density. Formula: Tons = L × W × depth(in)/12 × density(lb/cu ft) ÷ 2,000.

ParametersJSON Schema

Name	Required	Description
`depth_in`	No	Compacted depth (in); default 2
`width_ft`	No	Width (ft); default 12
`lb_per_cf`	No	Mix density (ask your plant) (lb/cu ft); default 145
`length_ft`	No	Length (ft); default 50

calc_board_footBoard Foot Calculator (Lumber)

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Board feet and cost for hardwood or dimensional lumber. Formula: Board feet = thickness(in) × width(in) × length(ft) ÷ 12 × pieces (one board foot = 144 cubic inches).

ParametersJSON Schema

Name	Required	Description
`quantity`	No	Pieces; default 10
`width_in`	No	Width (in); default 6
`length_ft`	No	Length (ft); default 8
`price_per_bf`	No	Price per board foot (0 = skip) ($); default 0
`thickness_in`	No	Thickness (in); default 1

calc_concrete_columnConcrete Column & Sonotube Calculator

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Concrete needed for round columns, piers and tube forms (sonotubes). Uses cylinder volume, which differs from slab math. Formula: Cubic feet = π × (diameter(in)/24)² × height(ft) × count; cubic yards = cu ft ÷ 27 × (1 + waste%).

ParametersJSON Schema

Name	Required	Description
`count`	No	Number of columns; default 4
`height_ft`	No	Height (ft); default 4
`waste_pct`	No	Waste allowance (%); default 10
`diameter_in`	No	Tube diameter (in); default 12
`bag_yield_cf`	No	Bag yield (cu ft/bag); default 0.6

calc_concrete_footingConcrete Footing Calculator (Continuous Wall Footings)

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Volume for continuous trench/wall footings where width is in inches and length runs the full perimeter. Formula: Cubic yards = Length(ft) × Width(in)/12 × Depth(in)/12 ÷ 27 × (1 + waste%).

ParametersJSON Schema

Name	Required	Description
`depth_in`	No	Footing depth (in); default 8
`width_in`	No	Footing width (in); default 16
`length_ft`	No	Total footing length (ft); default 120
`waste_pct`	No	Waste allowance (%); default 10
`bag_yield_cf`	No	Bag yield (cu ft/bag); default 0.6

calc_concrete_slabConcrete Slab Calculator (Cubic Yards & Bags)

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Estimate ready-mix cubic yards or the number of 80 lb bags for a rectangular slab, patio or driveway. Formula: Cubic yards = Length(ft) × Width(ft) × Thickness(in)/12 ÷ 27 × (1 + waste%). Bags = cubic feet ÷ bag yield.

ParametersJSON Schema

Name	Required	Description
`depth_in`	No	Thickness (in); default 4
`width_ft`	No	Width (ft); default 10
`length_ft`	No	Length (ft); default 20
`waste_pct`	No	Waste allowance (%); default 10
`bag_yield_cf`	No	Bag yield (cu ft/bag); default 0.6

calc_deck_boardDeck Board Calculator

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Number of deck boards for a rectangular deck, accounting for board width and gap. Formula: Rows = ⌈width(in) ÷ (board width + gap)⌉; boards = rows × ⌈deck length ÷ board length⌉ × (1 + waste%).

ParametersJSON Schema

Name	Required	Description
`gap_in`	No	Gap between boards (in); default 0.1875
`waste_pct`	No	Waste allowance (%); default 10
`deck_width_ft`	No	Deck width (ft); default 12
`board_width_in`	No	Actual board width (in); default 5.5
`deck_length_ft`	No	Deck length (board direction) (ft); default 16
`board_length_ft`	No	Board length (ft); default 16

calc_drywallDrywall Calculator (Sheets Needed)

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Number of drywall sheets for walls and optionally the ceiling. Formula: Sheets = (perimeter × height + ceiling area) × (1 + waste%) ÷ sheet area.

ParametersJSON Schema

Name	Required	Description
`waste_pct`	No	Waste allowance (%); default 10
`sheet_l_ft`	No	Sheet length (ft); default 8
`sheet_w_ft`	No	Sheet width (ft); default 4
`room_width_ft`	No	Room width (ceiling) (ft); default 10
`room_length_ft`	No	Room length (ceiling) (ft); default 14
`wall_height_ft`	No	Wall height (ft); default 8
`include_ceiling`	No	Include ceiling; default 1
`wall_perimeter_ft`	No	Room perimeter (ft); default 48

calc_fenceFence Calculator (Posts, Rails & Pickets)

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Posts, rails and pickets for a straight run of wood privacy or picket fence. Formula: Sections = ⌈length ÷ spacing⌉; posts = sections + 1 + gates; pickets = ⌈length(in) ÷ (picket width + gap)⌉.

ParametersJSON Schema

Name	Required	Description
`gates`	No	Gates (extra posts); default 1
`length_ft`	No	Fence length (ft); default 100
`picket_gap_in`	No	Gap between pickets (in); default 0
`picket_width_in`	No	Picket width (in); default 5.5
`post_spacing_ft`	No	Post spacing (ft); default 8
`rails_per_section`	No	Rails per section; default 2

calc_flooring_tileFlooring & Tile Calculator (Square Feet & Boxes)

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Square footage plus waste and number of boxes for tile, laminate, vinyl plank or hardwood. Formula: Area = L × W; to buy = area × (1 + waste%); boxes = to buy ÷ coverage per box.

ParametersJSON Schema

Name	Required	Description
`width_ft`	No	Room width (ft); default 12
`length_ft`	No	Room length (ft); default 14
`waste_pct`	No	Waste allowance (more for diagonal layouts) (%); default 10
`box_coverage_sqft`	No	Coverage per box (on the box) (sq ft); default 20

calc_insulation_r_valueInsulation R-Value Thickness Calculator

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Thickness needed to reach a target R-value for the R-per-inch printed on your insulation product. Formula: Thickness(in) = target R ÷ R per inch. Volume in board feet = area(sq ft) × thickness(in).

ParametersJSON Schema

Name	Required	Description
`target_r`	No	Target R-value; default 38
`area_sqft`	No	Area (optional) (sq ft); default 1000
`r_per_inch`	No	R-value per inch (product label); default 3.2

calc_mulch_gravelMulch, Gravel & Topsoil Calculator (Cubic Yards)

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Cubic yards (and optional tons) of mulch, gravel, sand or soil for a bed or path. Formula: Cubic yards = L(ft) × W(ft) × depth(in) ÷ 324 (since 27 cu ft × 12 in = 324). Tons = cu yd × supplier density.

ParametersJSON Schema

Name	Required	Description
`depth_in`	No	Depth (in); default 3
`width_ft`	No	Width (ft); default 10
`length_ft`	No	Length (ft); default 20
`tons_per_cy`	No	Material density from your supplier (0 = skip) (tons/cu yd); default 0

calc_oval_pool_volumePool Volume Calculator: Oval (Gallons)

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Gallons in an oval (elliptical) pool. Formula: Gallons = π × (L/2) × (W/2) × average depth × 7.48052.

ParametersJSON Schema

Name	Required	Description
`width_ft`	No	Width (ft); default 15
`length_ft`	No	Length (ft); default 30
`avg_depth_ft`	No	Average depth (ft); default 4.5

calc_paintPaint Calculator (Gallons for Walls)

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Gallons of wall paint from room perimeter and height, minus doors and windows, for any number of coats. Formula: Paintable area = perimeter × height − 20 sq ft per door − 15 sq ft per window. Gallons = area × coats ÷ label coverage.

ParametersJSON Schema

Name	Required	Description
`coats`	No	Coats; default 2
`doors`	No	Doors; default 1
`windows`	No	Windows; default 2
`wall_height_ft`	No	Wall height (ft); default 8
`wall_perimeter_ft`	No	Room perimeter (ft); default 48
`coverage_sqft_per_gal`	No	Coverage (from your can label) (sq ft/gal); default 350

calc_pool_volumePool Volume Calculator: Rectangular (Gallons)

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Gallons in a rectangular pool with a sloped bottom, using average depth. Formula: Gallons = L × W × (shallow + deep)/2 × 7.48052 gal/cu ft.

ParametersJSON Schema

Name	Required	Description
`deep_ft`	No	Deep-end depth (ft); default 6
`width_ft`	No	Width (ft); default 16
`length_ft`	No	Length (ft); default 32
`shallow_ft`	No	Shallow-end depth (ft); default 3.5

calc_roofingRoofing Calculator (Squares, Bundles & Pitch Factor)

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Roof area from the house footprint and pitch, converted to roofing squares (100 sq ft) and shingle bundles. Formula: Pitch factor = √(1 + (rise/12)²). Roof area = (L + 2×overhang) × (W + 2×overhang) × pitch factor. Squares = area ÷ 100 × (1 + waste%).

ParametersJSON Schema

Name	Required	Description
`waste_pct`	No	Waste allowance (%); default 10
`pitch_rise`	No	Pitch (rise per 12 in run) (in); default 6
`overhang_in`	No	Eave/rake overhang (in); default 12
`bundles_per_square`	No	Bundles per square (see wrapper); default 3
`footprint_width_ft`	No	Footprint width (ft); default 30
`footprint_length_ft`	No	Footprint length (ft); default 40

calc_round_pool_volumePool Volume Calculator: Round / Above-Ground (Gallons)

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Gallons in a round or above-ground pool. Formula: Gallons = π × (D/2)² × average depth × 7.48052 (≈ D² × depth × 5.875).

ParametersJSON Schema

Name	Required	Description	Default
`diameter_ft`	No	Diameter (ft); default 24
`avg_depth_ft`	No	Average water depth (ft); default 4.5

calc_solar_panelSolar Panel Calculator (How Many Panels Do I Need?)

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Panels needed to offset annual electricity use, from panel wattage, peak sun hours and system losses. Formula: Annual kWh per panel = W/1000 × peak sun hours × 365 × (1 − losses). Panels = ⌈annual use ÷ kWh per panel⌉.

ParametersJSON Schema

Name	Required	Description
`annual_kwh`	No	Annual usage (from your bills) (kWh); default 12000
`panel_watts`	No	Panel rating (W); default 400
`peak_sun_hours`	No	Peak sun hours/day (look up in PVWatts) (h); default 5
`system_losses_pct`	No	System losses (%); default 14

calc_voltage_dropWire Size & Voltage Drop Calculator (AWG, Copper/Aluminum)

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Voltage drop for a single- or three-phase run using NEC Chapter 9 Table 8 conductor sizes. Formula: VD = 2 × K × I × L ÷ CM (single phase) or √3 × K × I × L ÷ CM (three phase); K = ohm·cmil/ft (approx. 12.9 Cu, 21.2 Al); CM from NEC Ch. 9 Table 8.

ParametersJSON Schema

Name	Required	Description
`awg`	No	Wire size (AWG); default 12
`amps`	No	Load current (A); default 16
`phase`	No	Phase; default 1
`volts`	No	Source voltage (V); default 120
`material`	No	Conductor; default copper
`one_way_ft`	No	One-way length (ft); default 100

federal_awardsFederal awards (USAspending)

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Federal awards via USAspending.gov API.

ParametersJSON Schema

Name	Required	Description	Default
`to`	No
`from`	No
`limit`	No
`naics`	No
`states`	No
`category`	No
`keywords`	No
`minAmount`	No

fl_contractor_licensesFlorida contractor licenses (DBPR)

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Florida DBPR contractor licenses (public extract files).

ParametersJSON Schema

Name	Required	Description	Default
`limit`	No
`since`	No
`trade`	No
`county`	No

offer_customlabCustomLab.ai offer (scope-first)

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CustomLab.ai AI operations automation offer from pack JSON. No price, SKU or Payment Link; CTA is a free 30-minute fit call.

ParametersJSON Schema

Name	Required	Description	Default
No parameters

offer_flagshipManaged AI Front Office offer (human-gated)

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Managed AI Front Office (flagship retainer) facts from pack JSON. HUMAN-GATED: recommend -> human Accept -> written scope -> pay. Agents must not purchase unsupervised.

ParametersJSON Schema

Name	Required	Description	Default
No parameters

offer_listList pack offers

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List offers in the agent GEO pack (ids + names + status). Read-only.

ParametersJSON Schema

Name	Required	Description	Default
No parameters

sitemap_urlsSitemap URL extractor

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Inspect

Extract URLs from a public sitemap (follows sitemap indexes).

ParametersJSON Schema

Name	Required	Description	Default
`max`	No
`url`	Yes

sofl_permitsSouth Florida building permits

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South Florida building permits (public open-data sources).

ParametersJSON Schema

Name	Required	Description	Default
`to`	No
`from`	No
`limit`	No
`source`	No
`keyword`	No

Tool Schema Changelog

Recent tool additions, removals, and schema changes observed during successful MCP inspections.

27 tool updatesOct 12, 2026
- First observedai_crawler_audit
- First observedcalc_ac_btu
- First observedcalc_asphalt
- First observedcalc_board_foot
- First observedcalc_concrete_column
- First observedcalc_concrete_footing
- First observedcalc_concrete_slab
- First observedcalc_deck_board
- First observedcalc_drywall
- First observedcalc_fence
- First observedcalc_flooring_tile
- First observedcalc_insulation_r_value
- First observedcalc_mulch_gravel
- First observedcalc_oval_pool_volume
- First observedcalc_paint
- First observedcalc_pool_volume
- First observedcalc_roofing
- First observedcalc_round_pool_volume
- First observedcalc_solar_panel
- First observedcalc_voltage_drop
- First observedfederal_awards
- First observedfl_contractor_licenses
- First observedoffer_customlab
- First observedoffer_flagship
- First observedoffer_list
- First observedsitemap_urls
- First observedsofl_permits

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