API & MCP

Everything a person can do on Cabinet Variant Sheet, a program or AI agent can do with the same inputs and get the identical result.

HTTP API

POST https://kerfwisevariantsheet.usefulweb.app/api/v1/calculate – run Cabinet Variant Sheet
GET https://kerfwisevariantsheet.usefulweb.app/api/v1/tool – inputs, output schema, examples
OpenAPI 3.1: /openapi.json · /openapi.yaml
Errors: application/problem+json; 422 includes per-field errors.

Cabinet Variant Sheet

Compare open-shelf dimensions, clear shelf spacing and panel area, then export an editable native Kerfwise project and generated part dimensions.

Inputs of Cabinet Variant Sheet
Field	Type	Default	Description
`widths`	textarea	"400, 600, 800"	Widths in mm, separated by commas
`heights`	textarea	"600, 900, 1200"	Heights in mm, separated by commas
`depth`	number	300	Depth (mm)
`thickness`	number	18	Panel thickness (mm)
`shelves`	number	2	Whole shelf count
`selected`	number	1	Selected variant number

Example request

Try an example

curl -X POST https://kerfwisevariantsheet.usefulweb.app/api/v1/calculate -H 'content-type: application/json' -d '{}'

Every result contains

inputs (normalised, defaults applied), summary, result (validated against the published schema), units, assumptions, sources, warnings, computedAt and links.

MCP (Model Context Protocol)

Streamable HTTP endpoint: https://kerfwisevariantsheet.usefulweb.app/mcp – protocol revisions 2026-07-28 (stateless) and 2025-11-25 / 2025-06-18 / 2025-03-26 (initialize handshake).
Tools: kerfwise_variant_sheet
Local stdio connector: node src/mcp-stdio.ts --tool=kerfwise-variant-sheet

{
  "mcpServers": {
    "kerfwise-variant-sheet": { "type": "http", "url": "https://kerfwisevariantsheet.usefulweb.app/mcp" }
  }
}