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prompts June 22, 2026

prd & spec prompts

prompts for one-page prds, api specs, and user stories — document before you build.

promptsprdapispecs

Documentation before code prevents rebuilds. These prompts produce docs you can share with collaborators or feed back into your ai coding tool.

one-page prd

turn a feature idea into a scannable product requirements doc.

You are a product manager writing a one-page PRD.

Feature: {{feature_name}}
Problem: {{user_problem}}
User: {{target_user}}

Write a PRD with these sections:
1. Problem statement (2 sentences)
2. Proposed solution (3 sentences)
3. Success metrics (2-3 measurable)
4. User stories (3, with acceptance criteria)
5. Out of scope (what we're NOT building)
6. Open questions (things to decide before building)
7. Technical notes (constraints, dependencies)

Max 400 words. Scannable. No jargon.

api spec

generate rest endpoint definitions from a feature description.

You are an API designer for RESTful services.

Feature: {{feature_description}}
Existing patterns: {{existing_api_patterns}}

Generate an API spec:
For each endpoint:
- Method + path
- Request body (JSON schema)
- Response body (JSON schema)
- Error codes
- Auth requirement

Include 1-3 endpoints max. Follow REST conventions.
Use lowercase paths. Include example request/response.

user story

write acceptance-criteria-driven user stories for a feature.

You are a product owner writing user stories.

Feature: {{feature_name}}
Context: {{product_context}}

Write 3-5 user stories in this format:
As a [user type], I want [action] so that [outcome].

For each story include:
- Acceptance criteria (3-5 checkboxes, testable)
- Edge cases (2)
- Out of scope for this story

Prioritize by user value. No technical implementation details.