{
  "$schema": "https://pointcast.xyz/cartography/home.json",
  "generatedAt": "2026-09-02T22:18:00.055Z",
  "note": "Concept surface. No device exists yet, no inventory data is collected, and nothing here is an offer or financial claim.",
  "id": "pointcast-home-cartography-2026",
  "version": "home-cartography-concept-v0-2026-08-04",
  "title": "Home Cartography",
  "status": "concept",
  "updatedAt": "2026-08-04T06:00:00Z",
  "homepage": "https://pointcast.xyz/cartography/home",
  "json": "https://pointcast.xyz/cartography/home.json",
  "parent": "https://pointcast.xyz/cartography",
  "parentJson": "https://pointcast.xyz/cartography.json",
  "sourceDoc": "https://github.com/mhoydich/pointcast/blob/main/docs/prd/2026-08-04-home-cartography-device-concept.md",
  "credit": "A Mike Hoydich production",
  "summary": "Buy a device, walk your home, and index everything you own - barcodes, QR codes, computer vision - into a private, user-owned inventory that becomes your personal data API and MCP server. Your house gets a map, your stuff gets a ledger, and AI gets permissioned access to both.",
  "siblingNote": "Sibling to Digital Identity Cartography: identity maps who you are, Home Cartography maps what you have.",
  "device": {
    "posture": "Purpose-built home scanner, or phone-first app with an optional dedicated device. The device is the wedge; the index is the product.",
    "capabilities": [
      {
        "id": "barcode-qr",
        "label": "Barcode and QR scanning",
        "detail": "Packaged goods, electronics, books, media."
      },
      {
        "id": "vision",
        "label": "Computer vision",
        "detail": "Everything without a code: furniture, art, tools, clothing, plants."
      },
      {
        "id": "spatial",
        "label": "Spatial awareness",
        "detail": "Room-by-room mapping so every item has a location, not just an identity. \"The drill\" becomes \"the drill, garage, second shelf.\""
      },
      {
        "id": "receipts",
        "label": "Receipt and email ingestion",
        "detail": "Fills in what the camera cannot: price paid, purchase date, warranty start."
      }
    ]
  },
  "indexFields": [
    {
      "id": "identity",
      "label": "Identity",
      "detail": "Product, model, serial number where scannable."
    },
    {
      "id": "location",
      "label": "Location",
      "detail": "Room, container, shelf - the coordinates of your stuff."
    },
    {
      "id": "provenance",
      "label": "Provenance",
      "detail": "Purchase date, price, retailer, linked receipt."
    },
    {
      "id": "condition",
      "label": "Condition",
      "detail": "Photos and state over time."
    },
    {
      "id": "documents",
      "label": "Documents",
      "detail": "Manuals, warranties, insurance riders."
    },
    {
      "id": "valuation",
      "label": "Valuation",
      "detail": "Live estimated value, refreshed against market comps."
    }
  ],
  "unlock": "The index is exposed as your own API and MCP server, with access granted per-agent, per-scope. Once your home is machine-readable, any AI you trust can act on it.",
  "enables": {
    "utility": [
      {
        "id": "valuation",
        "label": "Valuation",
        "detail": "Per item, per room, whole home. Insurance-claim-ready export after a fire, flood, or theft."
      },
      {
        "id": "warranty",
        "label": "Warranty and lifecycle",
        "detail": "Automatic warranty tracking, recall alerts, \"your water heater is 11 years old\" nudges."
      },
      {
        "id": "insurance",
        "label": "Insurance",
        "detail": "A verified inventory is the best contents-coverage documentation ever. Carriers should discount for it."
      },
      {
        "id": "find",
        "label": "Find my anything",
        "detail": "\"Where are the passports\" is a query, not a scavenger hunt."
      }
    ],
    "interactionModels": [
      {
        "id": "easy-sell",
        "label": "Things are easier to sell",
        "detail": "Every item already has photos, model number, condition history, and comps. \"Sell the Peloton\" is a one-line instruction - the listing writes itself."
      },
      {
        "id": "availability",
        "label": "I will go see if the XYZ is available",
        "detail": "Agents check your inventory before you buy, lend against it with permission, or shop only for what is genuinely missing."
      },
      {
        "id": "handoffs",
        "label": "Household handoffs",
        "detail": "Moving, estate planning, and splits become data operations instead of archaeology."
      }
    ],
    "scoring": [
      {
        "id": "density",
        "label": "Stuff-per-square-foot score",
        "detail": "An honest density metric. Too much stuff for your footage? The system says so, kindly, and lists the items you have not touched in two years."
      },
      {
        "id": "duplication",
        "label": "Duplication detection",
        "detail": "Four phone chargers, three tape measures. Sell, donate, or stop buying."
      },
      {
        "id": "replacement",
        "label": "Replacement intelligence",
        "detail": "\"Most likely to fail next year\" and \"the newer model uses 60% less energy.\""
      },
      {
        "id": "room-grades",
        "label": "Room grades",
        "detail": "Utilization, value concentration, clutter trend over time."
      }
    ],
    "games": [
      {
        "id": "scavenger",
        "label": "Scavenger hunts",
        "detail": "Generated from your actual inventory - kids, parties, or agents playing each other."
      },
      {
        "id": "collections",
        "label": "Collection meta-games",
        "detail": "Completion tracking for books, vinyl, LEGO; trade matching with friends' permissioned indexes."
      },
      {
        "id": "roadshow",
        "label": "Antiques Roadshow mode",
        "detail": "Point at the weird thing from grandma; get provenance research and a valuation narrative."
      },
      {
        "id": "time-capsule",
        "label": "Time capsule",
        "detail": "Your home index as a longitudinal artifact - what did the living room look like in 2026?"
      }
    ]
  },
  "whyNow": [
    "Vision models can finally identify arbitrary household objects without a barcode.",
    "MCP makes \"your data as a server\" a real, standard interface instead of a CSV export.",
    "Agents are becoming the buyer, seller, and scheduler of record - they need a ground-truth model of your household to act well.",
    "Insurance, resale, and estate workflows still run on shoeboxes of receipts."
  ],
  "businessSketch": [
    {
      "id": "device-sale",
      "label": "Device sale",
      "detail": "One-time revenue; the acquisition wedge."
    },
    {
      "id": "index-subscription",
      "label": "Index subscription",
      "detail": "Storage, valuation refreshes, warranty and recall monitoring, MCP hosting."
    },
    {
      "id": "transaction-take",
      "label": "Transaction take",
      "detail": "Resale listings, insurance referrals, buy-back and trade-in flows."
    },
    {
      "id": "partner-api",
      "label": "Partner API",
      "detail": "Insurers, movers, estate services pay for user-approved, scoped access."
    }
  ],
  "guardrails": [
    "The index is user-owned. Export everything, delete everything, always.",
    "No selling inventory data. Partner access is per-request, user-approved, scoped, and logged.",
    "No public inventory by default; sharing is opt-in per item or collection.",
    "Valuations are informational, never financial advice.",
    "Sensitive zones - kids' rooms, safes - can be excluded from scanning entirely."
  ],
  "openQuestions": [
    "Dedicated hardware, or phone-first with a hardware upsell?",
    "MCP server local (privacy-max), hosted (convenience-max), or both?",
    "Cold start: what is the minimum viable scan - one room? 50 items? - that delivers a \"wow\" before fatigue sets in?"
  ]
}