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PRD to App Spec Converter

prd-to-appspec

Transform PRDs (Product Requirements Documents) into structured XML app specifications optimized for AI coding agents. Converts developer-focused docs with code examples into declarative agent-consumable format. USE WHEN user says "convert PRD", "generate app spec", "transform PRD", "create speci...

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SKILL.md

Full skill instructions

PRD to App Spec Converter

Transform Product Requirements Documents (PRDs) into structured XML application specifications optimized for AI coding agents.

When to Activate This Skill

  • Convert a PRD to app spec format
  • Generate XML specification from requirements document
  • Transform technical PRD for agent consumption
  • Prepare documentation for AI coding agent
  • Create app_spec.txt from existing PRD

What This Skill Does

Converts developer-focused PRDs (with code snippets, TDD plans, implementation details) into declarative XML specifications that AI coding agents can consume more effectively.

Input: PRD with technical details, code examples, architecture decisions Output: Structured app_spec.txt in XML format

How to Execute

Run the /​convert-prd workflow, which provides:

  1. PRD file location (prompts if not provided)
  2. Section-by-section extraction and transformation
  3. Pydantic models → database schema conversion
  4. Implementation code → feature descriptions
  5. Epics/​tasks → numbered implementation steps
  6. Test assertions → success criteria
  7. Final XML output with validation

Core Transformations

PRD HasApp Spec Gets
Function implementationsFeature descriptions
Pydantic field validatorsData constraints in prose
Try/​except patternsError handling requirements
Test assertionsSuccess criteria
CLI commandsAPI/​command summaries
Directory structureTechnology stack context

Output Template Structure

<project_specification>
  <project_name>...</​project_name>
  <overview>...</​overview>
  <technology_stack>...</​technology_stack>
  <core_features>...</​core_features>
  <database_schema>...</​database_schema>
  <api_endpoints_summary>...</​api_endpoints_summary>
  <implementation_steps>...</​implementation_steps>
  <success_criteria>...</​success_criteria>
</​project_specification>

Key Principle

  • PRD: Shows HOW (implementation details)
  • App Spec: Describes WHAT (requirements and expectations)

The app_spec tells an agent WHAT to build without dictating exact implementation.

Full Workflow Reference

For complete step-by-step instructions: workflows/​convert-prd.md

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