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Cursor IDE Integration: Run Your Validated Playbook Inside the Editor

Stage 9 of the ShipFit playbook ships your validated decisions to Cursor so the AI editor works from your buyer, V1 scope, pricing, and launch plan from the first prompt.

What Cursor does

Cursor is a fork of VS Code with first-class AI editor integration: tab autocomplete, inline chat, and an agent mode that can edit multiple files and run tests. It’s currently the dominant AI-native IDE for indie hackers and startup engineers.

Cursor reads project-level configuration on session start and treats it as system-prompt context for every chat. ShipFit’s stage-9 export uses that mechanism to keep your validated decisions in front of the model, every prompt, for the life of the project.

What ShipFit ships to Cursor

When you reach stage 9 (What to Export?) and pick Cursor, the export takes the validated playbook produced by the previous 8 stages and lands it in your repo as Cursor configuration. The editor’s AI then works from your validated decisions, not generic defaults.

What carries over from the playbook into the export:

  1. Buyer persona from stage 2 (Who Pays?), including verbatim quotes from your interviews.
  2. Above-the-line pains from stage 3 (What Hurts?), scored by frequency × intensity.
  3. Winning angle from stage 4 (How to Win?), tied to which of the 7 Powers the business will have at maturity.
  4. V1 scope from stage 5 (What’s V1?). Differentiator + Operational features; Delights held back for V2.
  5. Pricing model from stage 6 (How to Charge?). Tier structure, entry price, the Pricing Position verdict.
  6. Launch plan from stage 8 (How to Launch?). Primary channels and message.

ShipFit also installs project-level shortcuts that re-apply the framework gates (MoSCoW, Van Westendorp, Superhuman PMF Engine) during development, so the validation discipline survives past the planning meeting. The exact mechanics are handled for you.

Install

After running stage 9, unzip the export into your repo root, commit, and restart Cursor. The next chat loads the new context automatically. No CLI, no plugin install.

Why bother

The honest version: most validated playbooks die in a Notion doc the day you open the editor.

Loading the playbook into Cursor’s project context prevents that. The validated decisions stay in the model’s view for every prompt, for the life of the project. When you ask Cursor “let’s add a settings page,” the model already knows whether settings is in V1 or V2 and pushes back if you’re sliding into scope creep. When you ask for landing-page copy, the model reaches for your buyer’s verbatim pain phrasing, not generic SaaS jargon.

That’s the whole game: keep the validation context loaded so engineering decisions cascade from validated answers, not from whatever the AI thinks is plausible.

Common mistakes

1. Treating the export as a one-time setup. Re-export after any meaningful pivot. The repo’s validation context should always match your current ShipFit state.

2. Mixing engineering conventions with validation context in the wrong place. Validation goes in one block, engineering conventions (test framework, file layout, linting) in another. Re-exporting refreshes the validation block; your engineering block stays put.

3. Skipping the export and pasting context manually. Works for the first session. Falls apart by week 2.

Further reading

Frequently asked questions

Why use a ShipFit export instead of pasting context into Cursor manually?
Manual context decays. You paste the validated buyer into one Cursor chat and three days later you've forgotten to do it again. A persistent project context loads automatically into every chat for the life of the project. Any time you ask Cursor for a new feature, the model already has the V1 scope and your buyer's verbatim pain phrasing in context. The cost of pasting is that you eventually stop pasting; the cost of a persistent context is zero after install.
Do I need a paid Cursor subscription?
Yes for production work. The free Cursor tier is rate-limited and uses lower-tier models. The ShipFit export works on every paid tier (Pro, Business, Enterprise) and adds no separate API consumption; it just shapes what Cursor's existing AI sees.
Can I edit the export after ShipFit generates it?
Yes. The export captures your validated decisions; you add engineering conventions (test framework, file layout, linting) on top. Re-running stage 9 in ShipFit refreshes the validation parts without disturbing the engineering parts you added.
What if I'm using both Cursor and Claude Code?
Pick both in stage 9 and ShipFit emits the right configuration for each. Both share the same source-of-truth validation state, so the two tools agree about what's in scope. Most founders use Cursor for editing + Claude Code for terminal/automation; ShipFit pre-configures the pair so the validation context survives across the toolchain.
How is this different from copying my validation doc into a /docs folder?
A docs folder is for humans. Cursor's model never reads /docs/validation.md unless you explicitly @-mention it. The ShipFit export lands in the configuration mechanism Cursor reads automatically on every chat. Same content, very different effect on the model's behaviour.

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