Market: Tech-Twitter, Indie-Hackers, Founders shipping side-projects and v1 products. Language: English. Pitch: “Lovable builds your frontend. Kumiko builds your backend. Same prompt, full stack.”
Persona — Sara, solo founder of a B2B SaaS
Background: Ex-Stripe engineer, building vertical SaaS for property managers. 6 months in, 4 paying customers, no co-founder.
Stack today: Next.js + Supabase + Clerk + a Lovable-generated marketing site. Spent two months hand-rolling: multi-tenant scoping (still buggy), audit logs (homebrew Postgres triggers), role hierarchies (Clerk + custom claims).
What Sara needs:
- Stop reinventing multi-tenant + audit + roles for every new feature
- Add a customer-facing audit history dashboard (enterprise lead asked)
- Migration story for when she eventually sells the company — no vendor lock-in
What’s missing in the market
Lovable / v0 / Bolt: Frontend-only. Backend is still manual work — the 80 %-shipping-illusion breaks at the API boundary. Generated TypeScript without architecture; refactoring after 5 features hurts.
Supabase / Firebase / Convex: Backend-as-a-Service, not backend-as-generated-code. You write the queries — they don’t generate features for you. Multi-tenant scoping still on you.
Marten / Axon (other-language ES frameworks): Wrong language (.NET, Java). Steep learning curve, no AI integration.
Claude Projects / Cursor: Generic code generation, not domain-aware. No framework primitives — everything from scratch.
What Kumiko does differently
| Pain | Kumiko answer |
|---|---|
| ”Backend takes longer than frontend” | AI generates schema, migrations, auth, multi-tenant, audit, tests — all as TS code in your repo (GA H2 2026) |
| “Reinventing multi-tenant on every feature” | Every entity is tenant-scoped by default. Cross-tenant access is opt-in, not opt-out |
| ”Audit logs are always an afterthought” | Event-Sourcing primitive. Every change is an event. “Who changed what when” is one query |
| ”I want to switch LLM providers” | OpenAI-compatible adapter. Anthropic / OpenAI / Llama via env-var swap |
| ”Vendor lock-in scares my customers” | Generated code lives in your git repo. Leave kumiko.rocks any time and self-host on Hetzner / k8s / bare-metal |
| ”Designer and AI are two different worlds” | Both edit the same feature file. Designer is a pattern-aware visual editor, AI generates the same shape |
Top-3 arguments for indie-hackers
In the order they hit on Tech-Twitter:
- “Multi-tenant from day one” — every entity is tenant-scoped by default. The #1 bug class in B2B SaaS, solved at the framework level. Live proof: publicstatus.eu serves multiple tenants on a single instance with their own subdomain and branding.
- “EU-hosted + BYOK ready” — Hetzner deploy, swap LLM providers via env-var (Anthropic / OpenAI / local Llama). Your enterprise customers will love the compliance story.
- “AI builds your full backend” (H2 2026) — not just CRUD endpoints. Multi-tenant scoping, role checks, audit, realtime, tests — all generated, all in your repo. Pilot users get earlier access than the general market.
Cross-argument (extra hook for tech-Twitter): “Built with itself — kumiko.rocks runs on Kumiko. Bugs hit us first.”
What’s live today vs. what’s coming
| Today (May 2026) | Next (H2 2026) |
|---|---|
| Framework + bundled features (auth, audit, tenant, realtime, …) | AI-Builder web UI |
| Showcase: publicstatus.eu in production | Designer ships in browser as part of kumiko.rocks |
| Designer foundation built | Hosted app deployment for Pro tier |
kumiko create CLI, build/deploy pipeline | Custom-domain routing |
Pricing story
- Free: kumiko.rocks subdomain, 1 app, Anthropic LLM with cap — perfect for MVPs and demos
- Pro: ~€49–149/month per app, custom domain, BYOK
- Team-Trial: 3 days free Team-Tier on signup — taste the full product
- Pilot: 3 months free for the first 3–5 pilot users, joint setup sprint
Detail: ../produkt/pricing.
Channels
- Hacker News launch post: “We built an AI-native backend framework — every prompt produces a full multi-tenant TS app”
- Tech-Twitter / Bluesky: build-in-public threads
- Demo videos: “How AI built me a CRM in 7 minutes”
- dev.to / Reddit r/typescript: comparison posts (“Same feature in Kumiko vs Supabase — line count + audit story”)
Demo hook (H2 2026)
A 5-min video showing:
- Browser on kumiko.rocks/build
- Prompt: “CRM with companies, contacts, deals, activity timeline, custom fields per tenant”
- Generates feature files, runs migrations, scaffolds tests, opens preview
- Cut: edit one entity in the Designer — sees the diff in the file panel
- Cut: terminal —
git logshows the AI-generated commits - Cut: deploy with one command to Hetzner
Status: in preparation. Available today as a live walkthrough: publicstatus.eu and a screen-share over your concrete use case.
Next step
→ Pilot program (3–5 slots): hello@kumiko.rocks for a 15-min intro → Honest sales — if it’s not a fit, we’ll say so