KeyReady — Australian home loan readiness

KeyReady — a family of home-loan readiness sites on one rules engine

Free Australian home-loan readiness checks for specific sub-markets. Each checks a borrower against ~90 lenders' published rules (live Open Banking rates, LVR limits, residency rules), APRA's 3% buffer, exact 2026–27 stamp duty and grants, the 5% Deposit Scheme, and segment rules (profession LMI waivers, alt-doc lending, foreign income). With consent, it refers the borrower to one broker: Goodlend Mortgage Brokers.

Site	For	Preview
KeyReady (hub)	first home buyers, everyone	https://keyready.au/
LMI Waiver Check	doctors, dentists, vets, lawyers, accountants	https://keyready.au/professionals/
Nurse Home Loan Check	nurses, midwives, allied health	https://keyready.au/nurses/
Low Doc Check	self-employed, tradies	https://keyready.au/self-employed/
Expat Loan Check	Australians abroad, foreign income	https://keyready.au/expats/
MCP server	Claude, ChatGPT, Gemini, Perplexity…	https://keyready.au/mcp/

General information only. Not credit assistance, a comparison service or a recommendation. See docs/GROWTH.md §2 before launch.

One engine, many sites

src/engine/ + src/data/   THE rules: lenders (Open Banking), duty.ts (8 states), segments.ts (+ segment-policies.json), policy-overrides.json
      │
      ├── src/sites/<id>.ts   per-site config: brand, theme, copy, guides (SEO pages), wizard questions, sample
      │      └── scripts/build-sites.mjs → dist/ (hub) + dist/<id>/ — prerendered HTML, JSON-LD, sitemap, robots, llms.txt, privacy
      │
      └── src/mcp/server.ts   MCP tools on the same engine → bundled into supabase/functions (scripts/bundle-rules.mjs)

A rule changes in one place and every site, plus the MCP server, picks it up on the next deploy. To add a site, add src/sites/<id>.ts and register it in src/sites/index.ts.

Keeping the rules current (automated)

• Weekly Open Banking refresh (refresh-data.yml): every lender's rates, LVR limits and residency rules. It redeploys the sites and the MCP server.
• Weekly rules watch (rules-watch.yml): snapshots ~30 official pages (revenue offices, ATO, Housing Australia, legislation) listed in rules/sources.json. It opens a rules-watch issue when a page changes or a time-limited rule is about to expire, for example NT's $50k grant (Sep 2027) or the 1 July rollovers.
• Optional rules agent (rules-agent.yml, needs ANTHROPIC_API_KEY): Claude reads that issue, checks the official pages and opens a PR with updated rules and tests.
• Bot-blocked sources: checked by hand with /verify-data in Claude Code with Chrome (see CLAUDE.md).

Run it

npm install
npm run dev                 # one site (VITE_SITE=professionals npm run dev for another)
npm test                    # engine, duty (official examples), segments, MCP end-to-end
npm run build               # all sites → dist/
npm run bundle:rules        # engine + MCP server → supabase/functions/_shared/
npm run import:cdr          # refresh Open Banking data   (behind a proxy: NODE_USE_ENV_PROXY=1)
npm run watch:rules         # rules watch locally

Hosting (free)

• Sites: GitHub Pages, all five under one repo, deployed on every push to main. For custom domains, npm run build:sites -- --target=domains produces one root-based build per site.
• Backend: Supabase (leads, broker dashboard, Edge Functions for MCP and email), Knock (email workflows in .knock/) and Resend. Setup is in docs/BACKEND.md.

Docs

• docs/GROWTH.md: sub-market economics, compliance, domains, SEO and AI visibility, 90-day plan
• docs/BACKEND.md: Supabase, Knock, Resend and MCP setup
• docs/RESEARCH.md: original teardown, UX research, data sources
• docs/VERIFICATION.md: open data-verification checklist