Name: Craft Quantities: construction material calculators
Author: craftquantities

Craft Quantities: construction material calculators MCP

Construction quantities from cited calculators, takeoffs, a planner and house drawings. No prices.

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What it does

Construction quantities from cited calculators, takeoffs, a planner and house drawings. No prices.

Quickstart

# 1 — add it to Claude Code
claude mcp add --scope user --transport http craft-quantities-construction-material-calcul-mcp https://api.craftquantities.com/mcp

# 2 — ask your agent for something these tools do
#   search, fetch, get_calculator and 25 more

Craft Quantities: construction material calculators costs nothing on mcprush: there is no plan to choose here, no cap to set and nothing mcprush can bill you for.

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Tool surface

What the model actually sees. Descriptions are diffed on every release — see version history.

Only tools that write or reach the network

Searches the site's construction pages for a question in everyday words, such as how much concrete or tile a job needs, and returns the matching pages: id, kind, title, link, description and slug. It finds; it computes nothing.

Parameter	Type	Required	Notes
query	string	yes	What to find, such as "concrete slab" or "skirting board".
limit	integer	no	—
kinds	array	no	Only these kinds of result; every kind when left out.

Returns the full text of one Craft Quantities page, identified by its id: what the page works out, its inputs or measurements with units and opening values, and its sources.

Parameter	Type	Required	Notes
id	string	yes	A page id, such as calculator:concrete-calculator, takeoff:concrete-slab or diagnosis:drain-gurgles.

Returns the input fields of one calculator, identified by its slug: each field's id, label, accepted units, range and default value in metric and US units, with the calculator's version, page and citation. It computes nothing.

Parameter	Type	Required	Notes
slug	string	yes	The calculator's slug, such as concrete-calculator.
detail	string	no	full (the default): the whole answer. summary: the result lines, the citation line and the page only — fewer tokens to read.

Computes the result of one calculator, identified by its slug, from the input values given: the amount of material a job needs, such as the bags of concrete for a slab or the sheets of drywall for a room, counted in bags, sheets, studs, tiles, litres, gallons, cubic yards or m³. Returns it in metric and US units with the inputs used, sources, a citation and the page link. No prices.

Parameter	Type	Required	Notes
slug	string	yes	The calculator's slug, such as concrete-calculator.
inputs	object	no	The calculator's input values, by input id (an unknown id is refused with the accepted ids). A length, area, volume or other measured input takes "12 ft", "3.5 m", "8' 3 1/2\"" or {"value": 12, "unit"
system	string	no	The unit system inputs left out open in, and the one the page link opens in. The answer comes in both.
market	string	no	Optional. A market whose own opening choice some inputs take (a UK reader's code, an IEC motor), and whose currency symbol prints the caller's own money figures.
inputUnits	string	no	Send "base" to pass bare numbers on dimensioned inputs in base units (m, m², L, kg …), as the published test vectors are written. Without it a length, area or volume must carry its unit.
detail	string	no	full (the default): the whole answer. summary: the result lines, the citation line and the page only — fewer tokens to read.

Converts one value from one unit to another, for example 2 m³ to cubic yards, with the exact factor the site's calculators apply, and returns the converted value and the factor.

Parameter	Type	Required	Notes
value	number	yes	—
from	string	yes	—
to	string	yes	—
dimension	string	no	Only where a unit names more than one kind of quantity.
detail	string	no	full (the default): the whole answer. summary: the result lines, the citation line and the page only — fewer tokens to read.

Where does a figure come from, and how is it cited? Returns a calculator's sources as it cites them, the codes and standards they name, the site's standards pages, and a citation in plain, APA, Harvard and BibTeX. It adds no source the calculator does not cite.

Parameter	Type	Required	Notes
slug	string	yes	The calculator's slug, such as concrete-calculator.
detail	string	no	full (the default): the whole answer. summary: the result lines, the citation line and the page only — fewer tokens to read.

Returns a link that opens a construction calculator's page on craftquantities.com with the reader's figures filled in and their unit system, so a person can see or change the working on the page.

Parameter	Type	Required	Notes
slug	string	yes	The calculator's slug, such as concrete-calculator.
inputs	object	no	The calculator's input values, by input id (an unknown id is refused with the accepted ids). A length, area, volume or other measured input takes "12 ft", "3.5 m", "8' 3 1/2\"" or {"value": 12, "unit"
system	string	no	The unit system inputs left out open in, and the one the page link opens in. The answer comes in both.
market	string	no	Optional. A market whose own opening choice some inputs take (a UK reader's code, an IEC motor), and whose currency symbol prints the caller's own money figures.
inputUnits	string	no	Send "base" to pass bare numbers on dimensioned inputs in base units (m, m², L, kg …), as the published test vectors are written. Without it a length, area or volume must carry its unit.
detail	string	no	full (the default): the whole answer. summary: the result lines, the citation line and the page only — fewer tokens to read.

Returns the measurements one whole-job takeoff needs, identified by its id: each measurement's id, unit and opening figure, its build-up choices, the calculators it runs and what it leaves out.

Parameter	Type	Required	Notes
takeoff	string	yes	A takeoff id, such as concrete-slab.
detail	string	no	full (the default): the whole answer. summary: the result lines, the citation line and the page only — fewer tokens to read.

Works one whole-job takeoff, identified by its id, from the measurements given: the materials list of a job such as a slab or a deck, each line from its own calculator, with what to order, waste allowances, metric and US units, labour hours (not a price), what is not counted, a citation and the page link. It does not size structure.

Parameter	Type	Required	Notes
takeoff	string	yes	A takeoff id, such as concrete-slab.
measurements	object	no	Measurement id → value, each length, area or volume with its unit ("12 ft", {"value": 3.6, "unit": "m"}); counts as numbers. Ids are those of the takeoff; any left out opens at the page's own figure.
selection	object	no	Build-up choice id → option id, the takeoff's own (a stud size, an insulation, a cladding). Choices left out take the page's own for the system.
allowances	object	no	Row → an allowance the reader sets: a percentage (cutting waste, overlap), or the option an allowance follows (a lay pattern). Row names are the takeoff's steps (the calculator slug, or the step key w
leaveOut	array	no	Rows the reader leaves out of the job: still worked and shown, not put in the project or counted in labour.
system	string	no	The unit system inputs left out open in, and the one the page link opens in. The answer comes in both.
market	string	no	Optional. A market whose own opening choice some inputs take (a UK reader's code, an IEC motor), and whose currency symbol prints the caller's own money figures.
inputUnits	string	no	Send "base" to pass bare numbers on dimensioned inputs in base units (m, m², L, kg …), as the published test vectors are written. Without it a length, area or volume must carry its unit.
detail	string	no	full (the default): the whole answer. summary: the result lines, the citation line and the page only — fewer tokens to read.

Returns one worked construction estimate from the site, identified by its slug: the measurements, the steps in order with the calculator each uses, the figure each step pins and the waste chosen.

Parameter	Type	Required	Notes
slug	string	yes	A worked example's slug, such as bathroom-gutted-and-retiled.
detail	string	no	full (the default): the whole answer. summary: the result lines, the citation line and the page only — fewer tokens to read.

Re-runs every pinned step of a worked construction estimate now, in both unit systems, and returns whether each still meets the published figure.

Parameter	Type	Required	Notes
slug	string	yes	A worked example's slug, such as bathroom-gutted-and-retiled.
detail	string	no	full (the default): the whole answer. summary: the result lines, the citation line and the page only — fewer tokens to read.

Creates one My Project backup file from a list of calculator lines (each a calculator slug and its input values). Each line is computed as the site's page adds it; the reader restores the file on craftquantities.com as a new project. Nothing is stored or sent; no prices.

Parameter	Type	Required	Notes
name	string	no	The new project's name.
system	string	no	The unit system inputs left out open in, and the one the page link opens in. The answer comes in both.
market	string	no	Optional. A market whose own opening choice some inputs take (a UK reader's code, an IEC motor), and whose currency symbol prints the caller's own money figures.
calculators	array	yes	The calculator lines: each a slug and its input values.
detail	string	no	full (the default): the whole answer. summary: the result lines, the citation line and the page only — fewer tokens to read.

Creates one My Project backup file from a list of whole-job takeoffs (each a takeoff id and its measurements). Each takeoff's lines are worked as its page commits them; the reader restores the file on craftquantities.com as a new project. Nothing is stored or sent; no prices.

Parameter	Type	Required	Notes
name	string	no	The new project's name.
system	string	no	The unit system inputs left out open in, and the one the page link opens in. The answer comes in both.
market	string	no	Optional. A market whose own opening choice some inputs take (a UK reader's code, an IEC motor), and whose currency symbol prints the caller's own money figures.
takeoffs	array	yes	The takeoffs: each an id and its measurements.
detail	string	no	full (the default): the whole answer. summary: the result lines, the citation line and the page only — fewer tokens to read.

Creates one My Project backup file from a House Estimator form: the house's lines, and its drawing, which the site's canvas reopens. The reader restores the file on craftquantities.com as a new project. Nothing is stored or sent; no prices.

Parameter	Type	Required	Notes
name	string	no	The new project's name.
system	string	no	The unit system inputs left out open in, and the one the page link opens in. The answer comes in both.
houses	array	yes	The House Estimator form (one house; two give their lines without a drawing).
detail	string	no	full (the default): the whole answer. summary: the result lines, the citation line and the page only — fewer tokens to read.

Creates one My Project backup file from a room plan: one planned space, or several spaces and a roof. Its lines and its plan are saved as the site's planner saves them; the reader restores the file on craftquantities.com as a new project. Nothing is stored or sent; no prices.

Parameter	Type	Required	Notes
name	string	no	The new project's name.
system	string	no	The unit system inputs left out open in, and the one the page link opens in. The answer comes in both.
plan	object	yes	One planned space, or a planned project of spaces and a roof.
detail	string	no	full (the default): the whole answer. summary: the result lines, the citation line and the page only — fewer tokens to read.

Creates one My Project backup file from a Construction Canvas drawing: its lines, and the drawing itself, which the site's canvas reopens. The reader restores the file on craftquantities.com as a new project. Nothing is stored or sent; no prices.

Parameter	Type	Required	Notes
name	string	no	The new project's name.
system	string	no	The unit system inputs left out open in, and the one the page link opens in. The answer comes in both.
drawing	object	yes	The drawing: a house form, shapes, drawing commands or a canvas document.
detail	string	no	full (the default): the whole answer. summary: the result lines, the citation line and the page only — fewer tokens to read.

Is a builder's quote right on quantities? Reads a contractor's quote (pasted text) against the reader's own job and returns each quoted quantity against the range the job's calculators give, the lines it leaves out or adds, and the questions to ask. Money is removed and not judged; a difference is a question, not a verdict.

Parameter	Type	Required	Notes
job	string	yes	The quote check: bathroom-quote, plastering-quote, or a takeoff's ({takeoff id}-quote).
quote	string	yes	The quote's text. Prices may be left in; they are taken out before reading.
measurements	object	no	Measurement id → value, each length, area or volume with its unit ("12 ft", {"value": 3.6, "unit": "m"}); counts as numbers. Ids are those of the takeoff; any left out opens at the page's own figure.
selection	object	no	Build-up choice id → option id, the takeoff's own (a stud size, an insulation, a cladding). Choices left out take the page's own for the system.
system	string	no	The unit system inputs left out open in, and the one the page link opens in. The answer comes in both.
market	string	no	Optional. A market whose own opening choice some inputs take (a UK reader's code, an IEC motor), and whose currency symbol prints the caller's own money figures.
inputUnits	string	no	Send "base" to pass bare numbers on dimensioned inputs in base units (m, m², L, kg …), as the published test vectors are written. Without it a length, area or volume must carry its unit.
detail	string	no	full (the default): the whole answer. summary: the result lines, the citation line and the page only — fewer tokens to read.

Estimates the materials to build one rectangular house of one or two storeys from a few figures (footprint, walls, roof, openings): every quantity with what to order, assumptions, plans of each storey and labour hours, as the site's House Estimator does. It counts; it does not design a structure. No prices.

Parameter	Type	Required	Notes
example	string	no	Start from one of the site's example houses (its slug) in place of the estimator's opening house.
values	object	no	The form's figures, each length with its unit: length, width, storeyHeight, eaveOverhang, rakeOverhang, slabThickness, footingWidth, footingDepth, trenchDepth, windowWidth, windowHeight, doorWidth, do
storeys	integer	no	—
family	string	no	—
selection	object	no	The exterior wall's build-up choices.
pitch	string	no	Roof pitch, rise in 12.
roofFamily	string	no	—
roofSelection	object	no	—
system	string	no	The unit system inputs left out open in, and the one the page link opens in. The answer comes in both.
inputUnits	string	no	Send "base" to pass bare numbers on dimensioned inputs in base units (m, m², L, kg …), as the published test vectors are written. Without it a length, area or volume must carry its unit.
detail	string	no	full (the default): the whole answer. summary: the result lines, the citation line and the page only — fewer tokens to read.

Returns the room planner's fields for one kind of space: its figures, surfaces and finish ids, scope questions and rows, with their ids.

Parameter	Type	Required	Notes
kind	string	yes	The kind of space: a room or a bathroom (from its size, doors and windows), or a slab, deck, driveway, fence, loft, retaining wall, exterior wall or stair.
detail	string	no	full (the default): the whole answer. summary: the result lines, the citation line and the page only — fewer tokens to read.

Plans one space, such as a room or a bathroom, from its size, openings and the finishes chosen, as the site's room planner does, and returns its materials list: each row with its quantity, what it still needs, what is not built and why, and labour hours. Quantities only; it does not size structure.

Parameter	Type	Required	Notes
kind	string	yes	The kind of space: a room or a bathroom (from its size, doors and windows), or a slab, deck, driveway, fence, loft, retaining wall, exterior wall or stair.
figures	object	yes	The space's figures, by the planner's ids, each a length with its unit (a room: length, width, height, wallThickness; a fence: length, height; a stair: totalRise, width …).
doors	object	no	—
windows	object	no	—
finishes	object	no	Surface role → finish id, by the planner's ids.
scope	object	no	Scope question name → answer value, by the planner's ids.
intent	string	no	A trade, or everything.
leaveOut	array	no	Branch ids to leave out.
inputs	object	no	Branch id → { calculator input id: value in its base unit }.
name	string	no	—
system	string	no	The unit system inputs left out open in, and the one the page link opens in. The answer comes in both.
inputUnits	string	no	Send "base" to pass bare numbers on dimensioned inputs in base units (m, m², L, kg …), as the published test vectors are written. Without it a length, area or volume must carry its unit.
detail	string	no	full (the default): the whole answer. summary: the result lines, the citation line and the page only — fewer tokens to read.

Plans several spaces together, with an optional roof over them, as one project in the site's room planner, and returns each space's rows, every line together, labour hours and the plan. Quantities only; it does not size structure.

Parameter	Type	Required	Notes
spaces	array	yes	The spaces, in order, each one planned space.
roof	object	no	—
system	string	no	The unit system inputs left out open in, and the one the page link opens in. The answer comes in both.
inputUnits	string	no	Send "base" to pass bare numbers on dimensioned inputs in base units (m, m², L, kg …), as the published test vectors are written. Without it a length, area or volume must carry its unit.
detail	string	no	full (the default): the whole answer. summary: the result lines, the citation line and the page only — fewer tokens to read.

Draws one plan on the Construction Canvas from the shapes, house figures, drawing commands or canvas document given, and returns its materials list, a plan of each level, labour hours, a link that opens the drawing on the canvas, and a file. It does not size structure.

Parameter	Type	Required	Notes
house	object	no	The House Estimator's form: the house drawn as the estimator draws it.
commands	array	no	Drawing commands, in order, on the canvas's blank drawing (one storey; the wall, partition, window and door types). The whole request is at most 64 KiB.
document	object	no	A Construction Canvas document (schema 1 to the canvas's current), opened and checked by the canvas's own opener.
shapes	array	no	Simple shapes the assistant has read from the reader's words — a room, a deck, a patio, a bed, a path, a fence of legs and turns — compiled into the canvas's own commands. Every length with its unit.
name	string	no	The project's name in the file.
system	string	no	The unit system inputs left out open in, and the one the page link opens in. The answer comes in both.
inputUnits	string	no	Send "base" to pass bare numbers on dimensioned inputs in base units (m, m², L, kg …), as the published test vectors are written. Without it a length, area or volume must carry its unit.
detail	string	no	full (the default): the whole answer. summary: the result lines, the citation line and the page only — fewer tokens to read.

Turns a supplier's or builder's quote the reader has, prices and all, into a My Project file, as the site's Quote to Estimate does, and checks its own arithmetic. The prices are the reader's figures from their document, not the site's.

Parameter	Type	Required	Notes
quote	string	yes	The quote's text, one item to a line, with its prices.
supplier	string	no	—
currency	string	no	The quote's currency symbol, where the quote does not show it.
market	string	no	Optional. A market whose own opening choice some inputs take (a UK reader's code, an IEC motor), and whose currency symbol prints the caller's own money figures.
name	string	no	—
detail	string	no	full (the default): the whole answer. summary: the result lines, the citation line and the page only — fewer tokens to read.

Matches one building defect described in plain words, such as a crack, a damp patch, a water leak or a tripping breaker, to the site's diagnosis pages, and returns the candidate causes, what tells them apart, the checks in order and when to call a professional; ambiguous words return candidates. It does not say which cause it is.

Parameter	Type	Required	Notes
symptom	string	yes	What the reader sees, hears or smells, in their own words: "my breaker keeps tripping when the kettle is on".
market	string	no	Optional. A market whose own opening choice some inputs take (a UK reader's code, an IEC motor), and whose currency symbol prints the caller's own money figures.
limit	integer	no	How many diagnoses at most. Left out: one when the match is clear, up to three when it is not.
detail	string	no	full (the default): the whole answer. summary: the result lines, the citation line and the page only — fewer tokens to read.

Works out how far one amount of material goes, such as 40 bags of concrete or 24 gallons of paint: the area it covers and the size of slab, room, deck or wall that is, as the site's Solve Backwards page works it, waste taken off. It does not size structure.

Parameter	Type	Required	Notes
page	string	no	A Solve Backwards page's slug, such as wall-paint, drywall-sheets, bricks, concrete-bags, ready-mix-concrete.
query	string	no	Or what the reader has, in words ("sheets of drywall", "bags of concrete"), when the slug is not known.
have		yes	How much the reader has: a count for counted things (20, "20 sheets"); a measure with its unit for paint, concrete, soil ("24 gal", "2 m3", {"value": 90, "unit": "L"}).
system	string	no	The page's system; it sets the market's product (a 4 × 8 ft sheet in imperial). Left out: the unit's system, else metric.
settings	object	no	Optional: another calculator input, with its unit (a slab's thickness "4 in", coats 3). The inputs the page grows cannot be set.
detail	string	no	full (the default): the whole answer. summary: the result lines, the citation line and the page only — fewer tokens to read.

Finds which family of building codes or standards governs one kind of work in one market (US, Canada, UK or Australia, or a country mapped to one), who publishes it and the site's standards page. It does not say which edition is in force: adoption is local, and the answer names who decides.

Parameter	Type	Required	Notes
market	string	yes	US, CA, UK, AU or INTL — or a country's name ("England", "Canada"); a country the site has no market for answers as INTL.
subject	string	no	The work, in words: "kitchen wiring", "stair handrails", "gas boiler flue".
calculator	string	no	Or a calculator's slug: the subjects its own sources name.
detail	string	no	full (the default): the whole answer. summary: the result lines, the citation line and the page only — fewer tokens to read.

Translates one building-trade word between US, Canadian, UK and Australian usage, such as plasterboard (drywall in the US): the concept, each market's word, how close each is, and a false-friend warning where the same word means something else, with the glossary page. Words only: no figures.

Parameter	Type	Required	Notes
term	string	yes	A trade word or phrase as one market says it: "plasterboard", "casing", "skirting", "eavestrough".
from	string	no	The market whose word it is, where known.
to	string	no	The market to say it in.
detail	string	no	full (the default): the whole answer. summary: the result lines, the citation line and the page only — fewer tokens to read.

Creates a request for quote from a materials list or bill of materials (the lines of a takeoff, house, plan or calculation, or the reader's own): Markdown to paste, a CSV, the site's link a merchant opens to price it, and a My Project file. It carries no price and sends nothing to anyone.

Parameter	Type	Required	Notes
items	array	yes	—
project	string	no	The project's name, as the merchants will see it.
currency	string	no	The currency prices are asked in; left out, the market's.
market	string	no	Optional. A market whose own opening choice some inputs take (a UK reader's code, an IEC motor), and whose currency symbol prints the caller's own money figures.
note	string	no	A note to the merchants: delivery address area, dates, access.
detail	string	no	full (the default): the whole answer. summary: the result lines, the citation line and the page only — fewer tokens to read.

Free

$0 forever

Every tool — any call limit is its publisher’s, not ours
No card, and mcprush charges nothing for it
Runs at its publisher’s own address — this marketplace is not in the path
Nothing to cap, because mcprush bills nothing

Nothing here is billable: mcprush charges nothing to install Craft Quantities: construction material calculators or to call it, at any volume.

Where are you running it?

Tool surface

Release history

Craft Quantities: construction material calculators MCP

What it does

Quickstart

Where are you running it?

Tool surface

What counts against your monthly calls

Release history

See also