Home Zero Know what a home will cost —
before it costs you.
The Roadmap · v2026.06.20

Where we've been, and where we're going.

Home Zero is a home-buying system built as a small society of agents. This is the through-line: the territory we stood up, the three turns that reshaped it, where the build sits today, and the loop we're driving toward.

Started 2026-05-19 Live delta.homezero.md · homezero.md Now Day 2 / 12 · the build sprint
01 — The one idea

A home that takes care of you.

Discovery stays in Zillow. Home Zero is everything that happens after a buyer's eye lands on a home — commentary, conviction, visit prep, and a living model of the home itself.

A "zero"

A home whose true costs, risks, and possibilities are fully known before you commit, and whose operation drives your cost of living toward zero. Our job is to get a buyer to that knowledge with depth no listing site or single agent can match. We serve the buyer only — signaled, never named.

A

The advisor

one per buyer · the relationship

Knows you. Holds what "home" means to you durably, watches your homes, narrates what matters, and commissions the rest. One person on your side who never sleeps.

M

The market cell

one per market · the territory

Knows the place. Tracks every listing across the public cloud — assessor, deeds, water, soils, fire, permits — and authors the Briefs. delta-market is the prototype.

H

The home twin

one per zeroed home · the house

Knows the house. Born in seconds when you zero in, it writes the visit survey, ingests what you capture, then folds its knowledge back into the market when you move on.

02 — Where we've been

One month, three turns.

The story isn't a feature list — it's three pivots. A county of data became a funnel, the funnel shed its specialists down to two agents, and the two agents became an intent-gated ladder.

P0 · Foundation

The territory

stand up one living market
2026-05-19

Direction set — market agents on cells

Home Zero becomes a society of agents running on the cells platform (substrate: wells), each a persistent little VM that hibernates when idle and wakes in ~500ms.

2026-05-21

42 Paonia homes shaped into full Briefs

The detail loop runs over the North Fork Valley — every home with a complete, buyer-side Brief. The bootstrap artifact that proves the depth.

2026-05-23

delta-market cell born — the first living agent

Claude-code harness, Opus 4.7. Daily 09:00 UTC refresh via pulse, 34 public-record layers, DB → R2 backups 2×/day. Public at delta-market.cells.md.

2026-05 → 06

delta.homezero.md — the territory, on the web

Briefs, three lens views (Freedom Number / Signal / Lives), /sold (flip detection), /distressed (case files + map), /visit, /agents. Next.js on Cloudflare, Convex, Clerk.

2026-06-09

The map gets drawn

Workspace reorg into a root meta-repo: specs/ + the roadmap. Stale worktrees pruned; lens explorations salvaged. The shared language for everything that follows.

P1 · The funnel

The spine, end to end

sign up → advisor born → WhatsApp → ★ on Zillow
2026-06-10

P1 ships — Pete is buyer #1, through the real funnel

A live signup births advisor-pete (egg-ed4f71). The WhatsApp relationship is two-way — hello, gap-ack, three matched picks delivered. The national landing page goes live at homezero.md.

2026-06-11

Extension rebuilt · advisor model v2

WXT + React, Clerk Sync Host (sign in on the site, the extension inherits it — no token paste). Advisor chats on pi + gpt-5.5, goes deep via an Opus research lane.

Turn 1 · the demand-driven pivot 2026-06-12 · D15

Coverage is born from buyers, not geography.

Mid-test-drive, Pete reframes it: no canvassing — not Paonia, not any county to come. The standing county scrape dies; the product centers on the user. The work crystallizes into three births — advisor, market, home twin — the agents that come to life around each buyer, the spine going forward.

2026-06-13

The repeatable birth loop — and the funnel runs end to end

zero-mother + zero-pulse born; an Opus team-birther reasons the whole birth. Validated 10/10 in a row. The abstractor — first Expert Agent, a national parcel resolver — is born and wired ahead of market analysis.

2026-06-14

Team birth becomes a skill, not a script

The mother reasons the team agentically. Brief verdicts become cell-authored, typed, stored fields (the verdict pipeline) — all 42 backfilled.

Synthesis

The re-think week

design caught up with the build
Turn 2 · the two-agent pivot 2026-06-16

Specialists killed. Advisor + market, that's the team.

The standing team collapses to two: advisor (person) and market (place) — skills, not sub-agents. The briefing becomes the one signed-in surface. A clean 4-store data boundary (Convex · R2 · Stoolap · cell FS). And The Flow: the two onboarding questions are the two agents — place→market, person→advisor.

2026-06-16

The business model finds its hook

Every zero mints a shareable brief; a free quota (≈3/wk) → the wall → $25/mo unlimited + the full advisor. The brief is the hook and the growth loop, back into Zillow.

2026-06-17

Three things ship in one day

Value-first onboarding (the wizard runs anonymously, account at Finish). Board v2 — a co-curated thread on a typed boardCards table. Resolver + reflection — a real markets table; the where→Delta hardcode dies; Screen-1 reflects your place back, live.

Turn 3 · the three-agent ladder 2026-06-18

The new north star — an intent-gated ladder.

advisor → market → home, each unlocked as intent deepens. One shared household advisor (owned by the account holder, invites others). Cost-to-zero / the Home Zero Score is the spine. We dogfood the build on Linear; the consumer kanban is shelved as a surface, not as the model.

2026-06-19

The advisor scouts its own first board

The deterministic seeder is killed: a newborn advisor scouts its own first board at birth. The advisor is the agent — scouting is one beat in its pulse-driven loop. And a big extension idea lands: the Zillow agent zone, the advisor living inside your search results.

You are here · 2026-06-20

The rails exist. The experience is the build.

For the Delta attach, the spine is real end to end — auth, the zero capture, the demand loop, a born advisor. What's left is the experience layer (the screen re-cut, the reflection, the board card render) and the born-anywhere market birth. The Flow is the target we're aiming the build at — not a description of what ships today.

Live & running
  • delta-market cell — daily refresh, 34 layers, backed up
  • advisor-pete — two-way WhatsApp, real picks
  • Extension zero round-trip — Clerk sync auth, /api/star, demand-loop ring
  • Landing at homezero.md; explore at delta.homezero.md
Just shipped (this week)
  • Value-first onboarding — anonymous wizard, account at Finish
  • Board v2 — typed, co-curated card thread
  • Resolver + reflection — real markets table, place reflected back
  • Advisor scouts its own board at birth
The north star
  • The three-agent ladder — intent-gated advisor → market → home
  • One shared household advisor
  • Cost-to-zero / Home Zero Score as the spine
  • Dogfood the build on Linear
The hard edge ahead
  • The card → board render (advisor's lens + question + 👍👎)
  • Born-anywhere market — NFV is market #1, born fresh
  • The screen re-cut + reflection latency
  • Reactive "market coming online" without a refresh
02.5 — The build loop

The 12-day build — end-to-end first.

Fri Jun 19 → Tue Jun 30. We build the whole spine thin and working — quick first passes on the hard stuff — then come back and sharpen. Milestones you can watch work, not a tower that only stands when the last brick lands. The product is the three-agent ladder.

We loop daily — check each "done when," roll misses forward, spin up agents as needed. This conversation is the heartbeat.

01 · Slices

Vertical, not layers

The product works end-to-end early and gets sharper — never "perfect only when the last piece lands."

02 · First pass

Quick on the hard stuff

Cost-to-zero, the score, brief depth start as honest heuristics — good enough to run, tuned later on purpose.

03 · Scaffold

Assemble, don't invent

The board is Linear for the sprint, so all twelve days pour into the agents — the moat.

The spine · five milestones — the three-agent ladder, end to end
M1 · advisor

The advisor works

Sign up → zero a home → mini-brief → board → a rough Home Zero Score. The single-user loop, working.

Days 1–2
M2 · market

Market, anywhere

The double-click spins up / engages a market agent for any place — born-anywhere, not just Delta.

Day 3
M3 · scan

The scan

The market's cloud deep-dive — county records, water, permits, satellite — layers on and sharpens the score.

Days 4–5
M4 · home

Walkthrough scan

The home agent captures the first in-person tour; notes split you / market / home.

Premium builds in here
Days 6–7
M5 · home

The deep scan

The return visit — measurements, photos, a guided self-inspection. The deepest layer; the ladder runs E2E.

Day 8
The cadence · Jun 19 → Jun 30 — a capability you can see, every day
Day 1Fri 6/19
M1 · advisor
Stand up Linear + wire the advisor (zero → issue).
Day 2Sat 6/20
M1 · advisor
Fill the issue — mini-brief + first-pass score. Loop works E2E.
▸ M1 done
Day 3Sun 6/21
M2 · market
Go-deep spins up a market for any place.
▸ M2 done
Day 4Mon 6/22
M3 · scan
The cloud deep-dive, first pass.
Day 5Tue 6/23
M3 · scan
Scan → card layers + a sharper score.
▸ M3 done
Day 6Wed 6/24
M4 · home
The tour capture, first pass.
Day 7Thu 6/25
M4 · home
Walkthrough onto card + build premium in ($25/mo).
▸ M4 + billing
Day 8Fri 6/26
M5 · home
Return-visit inspection → full ladder runs E2E.
▸ M5 done
Day 9Sat 6/27
Round out
Multiplayer — invite Melana + Tony to the team.
Day 10Sun 6/28
Round out
Export your advisor + email reach.
Day 11Mon 6/29
Retune
Sharpen cost-to-zero, the score, the briefs.
Day 12Tue 6/30
Retune
Integrate, dogfood, re-cut the landing to the $25/mo story.
The board = Linear

Scaffold the UI, not the soul

For the sprint the board is Linear — polished, multiplayer, mobile, with a native agent model + webhooks. The advisor is a first-class Linear agent; the journey's phases are Projects; homes are issues; lanes are workflow states. The dogfood surface, not the consumer end-state — our Board v2 (PR #31) is shelved, not deleted; the brain still lives on its cell and exports whole.

Targeting first Convex stays the spine zero-doorbell webhooks
Then — round out

Invite, export, retune

Once the spine runs end-to-end: multiplayer (one shared board so Pete + Melana + Tony dogfood together), export the advisor, add email reach — then come back to tune cost-to-zero, the score, and the briefs. The done state: the three of them run a real home through advisor → market → scan → walkthrough → deep scan, paying at the wall.

03 — Where we're going

Close the loop, then born-anywhere.

The 12-day build delivers the spine working. Behind it sits the longer horizon — the three births and the phases below, pulled forward as the sprint surfaces the need. The far work makes a market birthable from a single zero in an uncovered place.

alive — in production now — building next later

The buyer signs up — an account, not a birth. What gets born are the three agents that come to life for them.

01

The advisor

Born at sign-up. Exists as advisor-pete; generalize to per-signup.

🔨 now
02

The market

Born on the double-click. Exists as an attach; born fresh = the Mesa moment.

🔨 now
03

The home twin

Born at the zero, at the end of the tour.

⏭ P3
P2⏭ next

Extension panel + the ⊕

The commentary and the commitment moment, inside Zillow.

  • Covered home → panel: verdict, Freedom Number, signal flags, days-listed truth, Brief link
  • ⊕ Zero in → advisor deep pass + lands you on the home's Home Zero page
  • Uncovered → quiet "no market cell here yet" + interest log
Done whenthe panel renders real Brief data on a Paonia listing and ⊕ fires the visit-prep take.
P3⏭ next

Home twin v1

The depth. A twin-<slug> born from the egg pool at the zero.

  • Boots from the parcel record, self-interviews, writes the visit survey
  • Post-visit: photos + answers → deepens the Brief, pushes facts out
  • On "passed": folds knowledge back into the market, then dies
Done whenzeroing births a twin whose generated survey replaces the hand-authored one, and a visit measurably deepens the Brief.
P4⏸ later

The board / feed on web

Stop being a Zillow; become the briefing. The compounding loop, made visible.

  • The one signed-in surface — a running, market-authored briefing the advisor hosts
  • It moves on zeroing energy, not a clock; with no energy it rests
  • Flyers as discovery engine #2 — overnight, expiring, swipe-trained
Done whenzeroed homes render as conversation cards in one running thread that sharpens with every tap.
P5⏸ later

Hardening + expansion

Pulled forward as needed.

  • Off-market cascade root fix · push-wake plumbing (kill polling lag)
  • Audio capture in /visit · iMessage transport behind the bridge
  • The iOS app — re-point the Swain-lineage feed at Home Zero items
  • Per-user advisors — advisor-per-signup via the "zero pool" isolation
Thememake the rails durable and the surfaces plural once the loop proves out.
★the geography unlock

Born-anywhere — birth a market on the fly

The path off Delta. Today every buyer joins Delta as an attach; no market has ever been birthed from the template. A birth-market skill stands up a new market cell on demand that goes out and gathers its geography from scratch — parcels, listings, records. NFV is market #1 (born fresh + seeded). The first zero in an uncovered county births its market: the Mesa-County moment.

  • The data acquisition is the work — bigger than an advisor birth
  • Gated on the Delta→NFV seed migrator + a handful of tracked birth blockers
  • The Zillow agent zone rides on top — the advisor living in your search results, two front doors into the board
Done whena buyer in an uncovered place finishes onboarding and a market agent stands itself up for their area — no canvassing, just demand.
The compounding engine
The loop is the product.
01
Two questions
Place → market. Person → advisor. The whole design.
→
02
A team is born
Mother births market + advisor from the two germs.
→
03
The board
Advisor greets first; one CTA — get the extension.
→
04
Zero a home
Tap ◎ in Zillow. Market authors it; advisor adds your lens.
→
05
It lands on the board
You answer 👍/👎 + a chip. That answer is the fuel.