Define Logic, Not Documents.
AI generates code at light speed, but it cannot make decisions for you. If the source logic is vague, AI will only help you accumulate "junk code" at light speed. DefineOS ensures every edge case is refined before the AI starts—terminating expensive rework cycles at the source.
Free to start · No credit card required
Doc Health
68%
P0 Issues
03
Approval Flow Strategy
Points Calculation Logic
Data Portability Policy
Stop Cascading Rework in the AI Era
One gap in your PRD now costs 10x in AI-generated technical debt.
GIGO Defense
Garbage In, Garbage Out. DefineOS interrogates your logic to ensure the "In" is perfect, so your AI devs don't build "Garbage".
Pre-code Simulation
Simulate how an AI coder will interpret your logic. Catch contradictions before they become 1,000 lines of wrong code.
// Engineer Simulation
if (!approvalFlow) {
throw new Error("Edge case undefined")
}
Systemic Alignment
Align Specs, Code, and Tests from a single source of truth: a validated decision.
Zero-Waste Execution
Track why decisions changed to prevent AI from re-generating discarded logic.
Slow Thinking for Fast Shipping
Most teams rush the "Thinking" phase and pay for it in the "Coding" phase. DefineOS forces you to slow down and clarify, so your team can move fast without breaking things.
Free
Get started with 3 PRDs per month.
- 3 full PRDs per month
- AI interrogation (12 rounds)
- Document quality review
- Debt placeholder system
- Markdown export
- Engineer perspective simulation
- Decision clarity layer
- Cross-PRD learning
Pro
Everything you need to ship clean PRDs.
- 50 full PRDs per month
- 2,000 points/month (rollover)
- Engineer perspective simulation
- Full decision clarity layer
- Cross-PRD personal learning
- Decision ledger
- Execution feedback loop
- Priority support
Team
Everything in Pro, plus collaboration.
- Everything in Pro
- Shared workspace
- Send decisions for review
- Confirmation tracking
- Conflict detection
- Team learning reports
- SSO (coming soon)