Customer evidence for AI coding
Vibe coding, with evidence you can trace.
Persona Journey researches your market, writes a cited persona and customer journey, and puts them in your repo. Your AI coding tools build for real customers, and you can see where each customer need lives in your code.
Start free
Email is enough. Connect GitHub when you want your AI coding tools to read the persona and journey.
30 free credits · No card · GitHub optional
Example library card
Overextended Solo Counsel
I’m the legal department and the help desk.
- Researched personas cite their sources
- Your library is stored in Sydney
- 30 free credits to start
Why evidence
Your AI builds what you tell it. Tell it who the customer is.
Vibe coding is fast, but it starts from a guess. Persona Journey gives the same speed a customer to build for.
| Vibe coding | With Persona Journey |
|---|---|
| An idea and a prompt go in | An idea plus market evidence goes in |
| The AI coding tool guesses who the customer is | Your AI coding tools read who the customer is |
| Business context lives in someone's head | Business context lives in your repo |
| Nobody can say which code serves which need | Code trace shows where each need lives, and the gaps |
How it works
Research, build with context, trace and improve
Each step builds on the last, so the code is about a real customer, not a template.
- 01
Research
Live market research becomes a persona with pain points, goals and a Sources section you can check, then a customer journey written for that person.
- 02
Build with context
Sync the persona and journey to your GitHub repo. Your AI coding tools read them and tag the code they write with the need it serves.
- 03
Trace and improve
Code trace maps each pain point, goal and journey phase to the features, UX copy and tests that serve it, and shows what is missing. Untagged code? AI can suggest the links.
Three ways in
Start from wherever you are
You don't have to start from a blank page. Pick the path that matches what you already have.
Start with an idea
One sentence about your product. We research the market and draft the persona for you to shape.
Bring your research
Add interview notes, PDFs, Word documents or screenshots. The persona is grounded in what you already know.
Use what you have
Paste a persona or customer journey you already wrote. Use it as is, or fill the gaps in our format.
For the whole product team
One source of customer evidence, from research to code
Designers
See which journey phases have no flow or UX copy yet, and design for the moments that matter to the customer.
Developers
Know why each feature exists. See which pain points have no tests, and give your AI coding tools context instead of guesses.
Founders and product leads
Check that what ships serves the customers you researched, and share one library of personas and journeys with your team.