The Yibud blog
Short, opinionated essays on the parts of starting a company that nobody talks about honestly. Written by the team behind Startup MRI.
13 articles · updated Jul 21, 2026
Validation Guide
The API- and developer-tool-specific tests for technical buyers, integration cost, trust, documentation prototypes, and design-partner pilots — before you write the first endpoint. A practical handbook for API founders, SDK builders, infrastructure product teams, and developer-tool indie hackers.
Validation Guide
The B2B-specific tests for buying committees, procurement, ROI proof, founder-led sales, and the manual pilot — before you write code. A practical handbook for SaaS founders selling to businesses, enterprise software teams, and technical founders.
Validation Guide
The browser-extension-specific tests for Manifest V3 fit, Chrome Web Store policy, distribution outside store search, willingness to pay, and unlisted pre-launch testing — before you ship a packaged extension. A practical handbook for indie hackers, SaaS founders, AI tool builders, and browser extension developers.
Validation Guide
The mobile-app-specific tests for problem, retention, onboarding, distribution, and willingness to pay — before you ship a binary to the App Store. A practical handbook for consumer, productivity, lifestyle, health, education, and local-service apps.
Validation Guide
The marketplace-specific tests for supply, demand, liquidity, take rate, and two-sided interviews — before you build the platform. A practical handbook for B2B, consumer, local, creator, and talent marketplaces.
Validation Guide
Why AI startups need workflow, output-quality, and dependency tests on top of every SaaS validation question — and the cheapest experiment that proves each one before you build.
Validation Guide
Validate an AI startup idea by testing workflow demand, output quality, pricing, model dependency, distribution, and defensibility before building.
Validation Guide
The five recurring-revenue assumptions that decide whether a SaaS product survives month six, and the cheapest experiment that tests each one — before you write code.
Founder Mindset
Why the keyboard feels safer than the phone — confirmation bias, action bias, sunk cost, and a small weekly habit that breaks the build-first loop.
Monetization Validation
The polite-yes problem, six pricing experiments you can run this week, and a seven-day plan to ask for money — before you build.
Customer Research
Where early customers actually gather, how to recognize real Early Adopters vs polite audiences, and a one-week customer-discovery plan you can start this week.
Validation Guide
21 concrete checks across four validation stages — problem, customer, business, execution — with how to test each one, the common mistake to avoid, and a printable summary.
Validation Guide
The four assumptions every startup depends on, the four questions that test them, and the cheapest experiments that produce evidence in 2–4 weeks — before you build.
Startup MRI gives you the same structured evaluation in under a minute — free, no signup.
