{"uid":"cap_dm7ifvtIf3DOg-3kTuATN","slug":"viridis-embodied-carbon-quantity-takeoff-3f8ad2bd","name":"Viridis Embodied Carbon Quantity Takeoff","description":"Embodied carbon quantity takeoff from a bill of materials or explicit construction geometry, producing auditable material quantities for carbon accounting. The measure step pairs with the Viridis GHG inventory and sustainability disclosure engines.","url":"https://mcp.viridisconservation.com/x402/quantity-takeoff/calculate_takeoff","method":"POST","headers":{},"bodySchema":null,"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.01","displayCostAsset":"USDC","priceDynamic":false,"priceHint":null,"priceStatus":"priced","priceSource":"probe","requiresHandshake":false,"reviewCount":0,"rating":{"score":"0.00","successRate":"0.00","reviews":0,"stars":null,"state":"unrated"},"availabilityStatus":"unknown","priceObserved":null,"sessionDeposit":null,"pricing":{"kind":"static","summary":"$0.5/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.5","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.5","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_6Fzb0nnguAltxKk5M423l","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.5","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Calculates auditable material quantities from a bill of materials or construction geometry for embodied carbon accounting and GHG inventory input.","exampleAgentPrompt":"Run a quantity takeoff for my construction project — I have a concrete slab assembly with dimensions 10m x 20m x 0.3m using the SI unit system, and I need auditable material quantities for carbon accounting.","exampleUseCases":null,"resultDescription":"A JSON object containing auditable material quantities for each submitted assembly item, with breakdowns suitable for feeding into a GHG inventory or sustainability disclosure engine. Each result maps to the input item ID with computed quantity values in the requested unit system.","failureModes":["Missing required 'items' array in queryParams returns validation error","Invalid or unrecognized assembly type returns an error or null quantity","Dimensions object missing required keys for the specified assembly type causes a computation failure","Invalid unit_system value (not 'imperial' or 'SI') returns a schema validation error","Empty items array (minItems:1 violated) returns a 400-level error","Payment not processed (x402 protocol failure) results in 402 response"],"whenToPreferThis":"Use this endpoint when you need auditable, deterministic material quantity calculations from construction geometry or bill-of-materials data specifically for embodied carbon accounting, GHG Scope 3 reporting, or sustainability disclosures (CSRD/IFRS S2). It pairs naturally with the Viridis GHG inventory and disclosure compilers. Prefer this over manual spreadsheet takeoffs or generic quantity calculators when auditability and carbon-specific output formats are required.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-15T06:30:53.835Z","isFirstParty":false}