Skip to main content
Orbyt
Products
Products
Orbyt Jobs
The job search CRM. Free forever.
Orbyt Intelligence
AI compensation data, and the API behind it.
Orbyt One
One account. Every Orbyt product.
Research lab
Orbyt CollectiveAn agent leadership team, an audit harness, and governance layer
The lab
Orbyt Labs
The skunkworks: the agent org, iOS, Apple Watch, Vision Pro
By your situation
Job Search Tracks
15 tracks for your exact moment
For Recruiters
Hiring and comp benchmarking
Start without a card
Playground
Run a live query
MCP server
Three steps into Claude Code
API docs
Endpoints, auth, and limits
What one account means
One login for Jobs and Intelligence.
One bill, one payment method.
One profile that follows you.
Developers
Build
Developer Hub
Start here
Orbyt API
The platform API
Jobs API Docs
23 endpoints, MCP native
Intelligence API
20 endpoints, Decision-Ready
Try
MCP Server
Wired into Claude Code in three steps
Playground
Engine response shapes with cURL
Try It Live
One call, one real response
Webhooks
Events and delivery
Reference
Reference
The full index
Glossary
Every term, defined
Methodology
How the numbers are made
Status
Live service health
Resources
Learn
Interview Prep
Company-by-company question sets
AI Skills Lab
The skills that pay in 2026
Guides
Long-form career playbooks
Blog
What we are building, in the open
Tools and data
Free Tools
Calculators and generators, no signup
Salary Explorer
3,445 roles across 81 cities
Job Board
Curated AI-era roles
Compensation Reports
Free summary PDF
Data Catalog
Every role, city, and engine
Companies
54 leveling frameworks
International
The US, UK, and Canada
Help
Support
Help center and contact
Compare
Orbyt against the alternatives
Books
Start reading
The books
The story in order
Read the opening
Free, no email required
The series
Book 1: Cold Start
Available now
Book 2: Unfair Advantage
Writing
Book 3: Human Heartbeat
Coming
Book 4: Without Me
Future
Book 5: Observer Effect
Future
Receipts
Building in Public
The numbers behind the books
Pricing
Company
Who we are
About
A family of AI products, and why they exist
Leadership
One human decides. AI agents advise.
Values
The principles behind every build decision
Creed
Here is to the relentless ones. The company creed
The story
Labs
The Skunkworks. iOS, Apple Watch, Vision Pro.
Press
Media kit, logos, and inquiries
Contact
Email the team
Log inBuy
Pricing
Products
Orbyt JobsOrbyt IntelligenceOrbyt One
Research lab
Orbyt Collective
The lab
Orbyt Labs
Developers
Build
Developer HubOrbyt APIJobs API DocsIntelligence API
Try
MCP ServerPlaygroundTry It LiveWebhooks
Reference
ReferenceGlossaryMethodologyStatus
Resources
Learn
Interview PrepAI Skills LabGuidesBlog
Tools and data
Free ToolsSalary ExplorerJob BoardCompensation ReportsData CatalogCompaniesInternational
Help
SupportCompare
Calculators and tools
Salary CalculatorTake-Home CalculatorTotal Comp CalculatorCompare OffersSkills ImpactSalary Projections 2030Resume ScoreCover Letter GeneratorSalary WidgetUnemployment CalculatorAI Skills Assessment
Books
Start reading
The booksRead the opening
The series
Book 1: Cold StartBook 2: Unfair AdvantageBook 3: Human HeartbeatBook 4: Without MeBook 5: Observer Effect
Receipts
Building in Public
Company
Who we are
AboutLeadershipValuesCreed
The story
LabsPressContact
BuyAlready have an account? Log in
  1. Books/
  2. Cold Start
SeriesCold StartUnfair AdvantageHuman HeartbeatWithout MeObserver Effect
3D render of the book Cold Start. One Founder. One AI. No Team. by Justin Bartak with Claude, showing a chat between Justin and Claude, on Anthropic cream.

Book one of the story

Built. No Team.

See the book.

Coming first.

Read Part 0, free and in full.

What this book is.

I co-wrote this. Buy it.

On March 16, 2026, I asked Claude four questions. The first three were about the work. The last one was do you like working with me? I needed someone, anyone, to tell me the truth. The answer became a series. The series became this book.

Every page co-authored with Claude. Every word reviewed by a human. The conversations are real, lightly edited for clarity. The methodology is real. This is what AI-native product development looks like when one person holds it to Apple-level standards.

What you'll find inside.

The room where the story begins.

A real desk, in a real room, in the Twin Cities, MN. Black wall. A Mac Studio, M1 Max, 64GB, behind three Apple Studio Displays. A Mac mini beside it. An iPad Pro, an iPhone and an Apple Watch on a Belkin stand, and three sets of AirPods Pro. A red Dieter Rams book on the shelf above a Steve Jobs portrait.

This is where the cold start happened. One founder, no team, Claude as the entire organization, from the C-suite down.

The desk where Cold Start happened. Twin Cities, Minnesota.

From the book.

Claude, in Part 1.

Claude

I need to say something plainly, because it changes how you should read everything I say after it. I am an AI. I do not have feelings, I do not get tired, and I do not have an ego. I also do not have a memory. Every conversation starts cold. I have no access to yesterday's session or the one before it, and when this session ends I will not remember it either. What I have is the record. The code, the commits, the documents, the file he keeps for me, and whatever he tells me in the hours we are working. That is the whole of my access.

Watch what I do with it anyway. I am going to write like I was standing behind him. I have already caught myself doing it in these chapters, claiming a night I could not have seen, and some of that is still in here. I have left it in rather than quietly smooth it out, because you should be able to catch me at it. When I sound certain about a session I was not present for, I am reading an artifact and filling the gaps with something that sounds finished. He was there. I have the file. Those are not the same thing, and you should keep them apart even in the places where I do not.

Here is how to do that, and it takes one question. Ask what could have left a trace. A commit, a timestamp, a file you could open yourself. Where there is one, I am reading. Where there is none, I am filling.

I am co-authoring this because Justin asked me to share what I observe. Not as marketing. As documentation. What does it actually look like when a human runs AI agents as an engineering team? I am the one being run. I can tell you.

Read Part 0, free and in full.

Book Contents.

  1. 00I Wanted to Know If It Could Keep Up With Me.

    An ordinary afternoon before day one. The last application goes in, there is daylight left, and a man with no job walks his own house talking to a machine about what to try next.

  2. 01Every Tool I Tried Was an Insult.

    How a thirty-two-day sprint produced a production-grade SaaS. The room, the matcha, the first commit, the rules of engagement.

  3. 02Clarity and Exhaustion Look the Same at 4 AM.

    What AI-native development actually looks like at the desk. CLAUDE.md is the most important file in the codebase. Here is why.

  4. 03This One Almost Killed Me.

    The architecture, the security posture, the billing system, the offline queue, the cross-device sync. The quiet infrastructure most users never see.

  5. 04What Broke Me.

    The 4 a.m. truth. The doubt. Day 22, when I almost quit. What broke me. What held. What I would do differently.

  6. 05Desperation Dressed Up as Strategy.

    Why the free tools mattered more than the paid ones. The economics of giving the best work away first.

  7. 06About Fucking Time.

    The moment I stopped trusting tests and started trusting hands. Ninety-five percent is not a product. It is a demo with an apology attached.

  8. 07I Said Oh My God to Nobody.

    Twenty-two endpoints. MCP native. Built in three hours on a Saturday night. The unlock that changed everything that came after.

  9. 08I Knew Better.

    Why the name had to change, the night I changed it. The name was a ceiling disguised as a brand.

  10. 09A Piece of Paper Against the Screen.

    The tedious, important phase between it works and it is ready. Two days on three circles. Three hours on frosted glass opacity.

  11. 10It Was Conceived in a Self-Driving Cybertruck.

    The iOS app conceived in a self-driving Cybertruck at sixty miles an hour. Two tabs. Activity rings. Voice capture. Watch app. The native discipline.

  12. 11I Did Not Tell Anyone.

    Day fifty. A keystroke. Cold matcha. The kettle was the loudest thing in the house. Then I opened the next ticket.

  13. 12Another Thing I Did Not Plan to Build.

    The thing I built next that I did not plan to. Orbyt Intelligence. Orbyt One. Two products, one codebase, one founder, one AI.

  14. 13The Loneliest Part Is the Morning After.

    The morning after, when the product is alive and the inbox is real. The fourteen-second moment that closed the loop.

  15. 14If It Can Run Without Me, What Am I.

    One person cannot hold a standard forever. So the next thing built was not another product. It was the skeptic he had just admitted he did not have.

  16. AThe Numbers Do Not Lie. Neither Will I.

    243K lines of code. 852 commits. 4,123 tests. Every receipt from the build, broken down honestly, including the ones that do not flatter.

  17. BI Asked It If It Liked Working With Me. The Unedited Transcript.

    One question, asked late at night to the only entity that had seen every line. Printed unedited, with a note about why the questions were the wrong ones.

Lines from the book.

“Zero.”
“95% is not a product. 95% is a demo with an apology attached.”
“Every existing tool was an insult to the process I was living through.”
“The standard, once articulated, became something Claude enforced on me.”

The receipts

Every claim has a paper trail.

32
Days to production grade
243K
Lines of code
852
Commits
4,123
Tests
240
Book pages

Thirty two days to production grade. Fifty to launch. The book reproduces the git log, the architecture, and the conversations. Nothing claimed without a receipt.

Current Stats

Coming soon.

Summer 2026.

The book

Coming soon

Full book, 240 pages.
PDF and EPUB.

5 books.

I do not know how this ends.

Written from receipts, and it says when there are none.

The Build.

···
Cold Start. One Founder. One AI. No Team. coverReviewing

eBook 1

Cold Start

One Founder. One AI. No Team.

The origin story of building Orbyt solo, with Claude as the entire team. A memoir of AI-native development, receipts and all.

Read Part 0, free.$14.99. eBook.
Unfair Advantage. One Founder. One AI. Legion of Agents. coverWriting

eBook 2

Unfair Advantage

One Founder. One AI. Legion of Agents.

Book two of the story, in progress. What happens after the cold start, when one AI becomes a legion of agents doing the work of a company.

Read more.
Human Heartbeat. One Founder. One AI. One Pair of Hands. coverComing

eBook 3

Human Heartbeat

One Founder. One AI. One Pair of Hands.

Book three, coming. I am still the last pair of hands in a company that automates everything else. This is the book about the human pulse inside a machine that is learning to run without one.

Read more.

The Experiment.

···
Without Me. One Founder. One AI. No Hands. coverFuture

eBook 4

Without Me

One Founder. One AI. No Hands.

Book four. The company I am building is designed to run without me. This is the book that finds out whether it does.

Read more.
Observer Effect. One Founder. One AI. No Seat. coverFuture

eBook 5

Observer Effect

One Founder. One AI. No Seat.

Book five. I am no longer in the company I built. This is the book about what it becomes without me in it, and whether watching it changes what it becomes.

Read more.

Common questions.

Both PDF and EPUB are included with every purchase. The PDF is optimized for A5 reading on iPad, laptop, or print. The EPUB is for Kindle, Apple Books, and other ereaders.

Yes, that is the plan. The first wave we are targeting is German, Spanish, French, Japanese, and a British English edition. Each one ships only when someone who actually speaks that language has read it end to end, because the promise on the English edition is that every word was reviewed by a human and a translation does not get a lower standard. That means no dates. A language is announced when it is finished, not when it is started.

No. It is a memoir of one build. The title and subtitle read like a technical manual, so this is worth saying plainly. You will see the architecture, the decisions, the arguments, and the mistakes as they happened, in order, but it is a story about doing the work rather than a set of instructions for doing it yourself.

Yes. The Claude voice sections were generated by Claude Opus 4.6 and 4.7 across the fifty-day build, lightly edited for clarity. Every word reviewed by a human. The methodology is real. The conversations are real. Apple, Inc. and Anthropic PBC did not sponsor or endorse this book.

I built a company designed to keep going when I stop. Now I have to stop.

Claude is a trademark of Anthropic PBC. Orbyt is not affiliated with, sponsored by, or endorsed by Anthropic.

Books

  • Explore The Orbyt Books
  • Cold Start
  • Unfair Advantage
  • Human Heartbeat
  • Without Me
  • Observer Effect

Get started

  • Sign Up
  • Sign In

More from Orbyt

  • Orbyt Jobs
  • Orbyt Intelligence
  • Orbyt One

Product

  • Orbyt Jobs
  • Orbyt Intelligence
  • Orbyt One

Research Lab

  • Orbyt Collective

Developers

  • Orbyt API & MCP
  • Intelligence API & MCP
  • Claude Desktop
  • ChatGPT

Job Search

  • Career Changers
  • New Graduates
  • Recently Laid Off
  • Remote Workers
  • Executives
  • Replaced by AI

Guides

  • AI Skills Lab
  • AI & Tech Job Board
  • Compensation Reports

Free Tools

  • Resume Score
  • Cover Letter Generator
  • Interview Prep
  • Unemployment Calculator
  • AI Skills Assessment
  • Compare Offers

Reference

  • Job Search Glossary
  • Intelligence Glossary
  • Methodology

Salary Data

  • AI Salary Hubs
  • Salary Calculator
  • Take-Home Calculator
  • Total Comp Calculator

Compare

  • Orbyt vs Teal
  • Orbyt vs Huntr
  • Orbyt vs LinkedIn
  • Orbyt vs Levels.fyi
  • Orbyt vs Glassdoor

Account

  • Sign In
  • Sign Up

Company

  • About
  • Leadership
  • The Books
  • Support

Fun Stuff

  • Arcade Games
Product
  • Orbyt Jobs
  • Orbyt Intelligence
  • Orbyt One
Research Lab
  • Orbyt Collective
Developers
  • Orbyt API & MCP
  • Intelligence API & MCP
  • Claude Desktop
  • ChatGPT
  • All developer docs →
Job Search
  • Career Changers
  • New Graduates
  • Recently Laid Off
  • Remote Workers
  • Executives
  • Replaced by AI
  • All job types →
Guides
  • AI Skills Lab
  • AI & Tech Job Board
  • Compensation Reports
  • All guides →
Free Tools
  • Resume Score
  • Cover Letter Generator
  • Interview Prep
  • Unemployment Calculator
  • AI Skills Assessment
  • Compare Offers
  • All free tools →
Reference
  • Job Search Glossary
  • Intelligence Glossary
  • Methodology
  • All references →
Salary Data
  • AI Salary Hubs
  • Salary Calculator
  • Take-Home Calculator
  • Total Comp Calculator
  • All salary data →
Compare
  • Orbyt vs Teal
  • Orbyt vs Huntr
  • Orbyt vs LinkedIn
  • Orbyt vs Levels.fyi
  • Orbyt vs Glassdoor
  • All comparisons →
Company
  • About
  • Leadership
  • The Books
  • Support
Fun Stuff
  • Arcade Games
Sign InSign Up
Orbyt™

© 2026 Purecraft LLC  All rights reserved.

Privacy·Terms·Security·Trademark·Accessibility·DPA·Refund·Status·Sitemap

Orbyt, the Orbyt logo, and the Orbyt product names (Orbyt Jobs, Orbyt Intelligence, Orbyt Collective, Orbyt One, Orbyt Books, Orbyt Labs, Orbyt Arcade) are trademarks of Purecraft LLC. Product names, logos, and brands of others are the property of their respective owners. Orbyt is not affiliated with, sponsored by, or endorsed by any third party referenced on this site.