VSaaS

Stackmates

Shared coordination infrastructure so AI-native ventures skip the 12-month stack tax

5.5/10

Composite

12 Months Before Your First Customer

Every AI-native venture rebuilds the same unglamorous five. Auth. Payments. Data. Compliance. Tooling. Twelve to eighteen months before domain value ships. The stack tax is real and almost nobody talks about it.

12-18 months

Stack tax before first customer

208 tables

Infrastructure already built

Rebuilding cost for ventures 2-7

Solved Once. Shared.

The unglamorous five exist in every venture. We built them once. Now they compound.

Auth

Identity, sessions, permissions, MFA, OAuth. Solved once, shared across every venture.

Payments

Subscriptions, invoicing, metered billing, tax. One integration. Seven ventures.

Data

208 tables, 10-layer hex architecture, Drizzle + PostgreSQL. Already commissioned.

Compliance

Audit trails, data sovereignty, privacy controls. Built into the domain model.

Tooling

CI/CD, monitoring, deployment, agent coordination. One pipeline, shared infrastructure.

Start at Month 13.

We did the 12 months already. Pick your entry point.

Explorer

Freeopen source

Access to shared infrastructure, community support, documentation

Self-serve

Recommended

Venture Team

TBD/month

Dedicated worktree, onboarding support, commissioning assistance, priority support

1-week onboarding

Enterprise

TBDcustom

Custom domain model, dedicated infrastructure, SLA, training

2-4 week onboarding

Go Deeper

Every number has an assumption. These pages show the working.

Cash Flow

12-month projection with 3 scenarios. $500/mo burn. Break-even M8 base case.

Business Plan

Thesis, model selection, stage evolution, and go-to-market strategy

Prompt Deck

Five cards. The pitch in its most compressed form.

Tight Five

1Purpose

Why does this matter?

Rebuilding commodity infrastructure kills ventures.

2Principles

What truths guide you?

Strike squads need platform not headcount.

3Platform

What do you control?

One substrate, seven ventures, no rebuilding.

4Perspective

What do you see others don't?

Commissioned capabilities, not slide decks.

5Performance

How do you know it's working?

Every completed job improves the next.

Transparency

$0 MRR. No external teams onboarded. These scores measure conviction, not proof. The infrastructure exists. The demand is unverified.

7/10

Purpose

6/10

Potential

5/10

Capability

4/10

Infrastructure

5P Feedback

Pain4 / 5

HIGH

Demand2 / 5

LOW

Edge4 / 5

MEDIUM

Trend4 / 5

HIGH

Conversion1 / 5

NONE

Critical Metrics

Critical Path50% / 80%

Need external team to validate onboarding

Critical Mass10% / 60%

Need 3+ ventures actively using platform

Critical Velocity0% / 100%

$0 revenue, $500/mo burn

Kill Criteria

Three signals. If any trigger, we stop. Not excuses — decision gates.

Zero external teams onboarded

Month 6 (September 2026)

No team outside founder uses the platform after 6 months of availability

Second venture slower than first

Month 9 (December 2026)

Next venture launch takes longer than BerleyTrails

Zero willingness to pay

Month 6 (September 2026)

5 qualified conversations, zero pricing interest

We did the 12 months. You start at month 13.

Think Slow Full Deck

Context

Business Plan — Thesis, model, stage evolution, and unit economics
Cash Flow — 12-month projection with three scenarios and kill thresholds
Feedback — Five KPIs and decision-action processes
Platform — The 10-layer hex architecture powering shared infrastructure
Business Templates — The template library this venture follows

Questions

If the infrastructure exists and the thesis is right, why has no external team onboarded yet?

Which of the unglamorous five is the highest-friction first step for an external team?
If onboarding takes 40+ hours for the first team, is the problem the platform or the docs?
Which kill signal would trigger fastest — and what would that tell you about the thesis?
Does the VSaaS model work without a community, or does community compound the model?