STUD

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EngineeringData & ResearchOps & Automation
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Default alive or default dead

A pure function that, given current cash, monthly expenses, monthly revenue, and monthly revenue growth rate, returns whether the company reaches profitability before cash runs out (default alive) or not (default dead), the crossover month, and the lowest cash point.

50 creditsChoose Business Model

Defect density per module with ranked hotspots

Defect density per module against your chosen size unit, the overall density, and a ranking of the most defect-dense modules.

50 creditsShip MVP

Defect removal efficiency

Defect Removal Efficiency from pre-delivery vs escaped defect counts, with an optional per-phase breakdown.

50 creditsShip MVP

Deploy runbook with rollback

An ordered, role-assigned deploy runbook with preflight checks, deploy steps, verification, and a rollback path that every failure step routes to.

50 creditsKeep App Running

Deployment pipeline and hosting

The app is deployed and the health endpoint returns 200.

Opens laterShip MVP

Enterprise procurement readiness gap register

The founder gets a structured procurement-readiness register that lists each expected enterprise artifact (docs, SLAs, support infra, controls), its present/partial/missing status, and a remediation order, so the work to satisfy a procurement review is sequenced before the contract stalls on it.

50 creditsChoose Business Model

Fatal pinch diagnosis

A pure function that classifies a startup against Paul Graham's fatal-pinch definition: default-dead AND slow growth AND not enough time, returning the overall verdict and which of the three conditions are true.

50 creditsChoose Business Model

Financing deal-stage tracker

The founder has a complete, sequenced map of the financing process, split at the term sheet signing and ending at funds received, with every stage named, owner-assigned, and closed by a gating artifact, and a duration roll-up checked against the cap set at intake.

50 creditsPitch Investors

Financing-round closing checklist

A structured closing checklist that echoes your frozen round stage, close date, and raise amounts, covers every closing step you require (a canonical six-step sequence by default), and enforces the minimum-commitment and wire-sequencing gates arithmetically.

50 creditsLaunch Product

Founder operational load and delegation register

The founder gets a structured operational-load register that classifies every routed task by delegation tier and flags the ones that stall in a founder's week-long absence, turning 'I do everything' into a triaged plan for what to systematize, delegate, or keep.

50 creditsChoose Business Model

Founder personal runway and go-full-time verdict

A bootstrapping founder learns how many months of personal runway they have and whether it clears the book's full-time-go thresholds, so they can decide whether to quit their job now or stay part-time.

50 creditsChoose Business Model

Founder task routing to the right Claude surface

The founder gets a pure routing function that takes a task's structured attributes and returns the correct Claude surface, applying the book's surface-selection logic deterministically across any list of tasks.

Opens laterChoose Business Model