pm-delta-spec

Compress a scoped solution into a delta spec documenting only the current change.

Updated Apr 15, 2026
One-click install
npx skills add https://github.com/chenluhan/skill --skill pm-delta-spec
Or copy as Structured Prompt for Agent▼
Please help me install this Agent Skill.
Skill: pm-delta-spec
Source: https://github.com/chenluhan/skill/tree/main/.agents/skills/pm-delta-spec
Command: npx skills add https://github.com/chenluhan/skill --skill pm-delta-spec

SYSTEM DOCUMENTATION & REQUIREMENTS

What problem does it solve?

Compress a scoped solution into an engineering-ready delta spec that documents only the current change. Use when the user asks to replace a long PRD with a concise handoff spec, summarize product changes for engineering, document rules and impact scope, or convert a prototype into a buildable spec package.

Core Features & Use Cases

  • Delta generation: Extracts the exact changes and translates them into a structured delta spec.
  • Clear handoffs: Produces a ready-to-use spec package for engineering, QA, and PM handoffs.
  • Scope & decision mapping: Documents impact scope, dependencies, and decisions to prevent drift between product and engineering.

Quick Start

Provide a concise delta spec describing the current change for the next handoff to engineering.

Frequently Asked Questions about pm-delta-spec

High-intent search queries and answers about installing and using this skill.

FAQPage Schema
How do I convert a PRD into an engineering-ready handoff spec?▼

To convert a PRD into an engineering-ready handoff spec, compress the scoped solution into a concise delta spec that documents only the current change. This produces a production-ready package for engineering alignment.

What is a delta spec and when do I need one for product management?▼

A delta spec is a concise, build-ready document that captures only current product changes. You need a delta spec when replacing a lengthy PRD or prototype with a focused engineering handoff to prevent scope drift.

How to summarize product changes for engineering alignment?▼

Summarize product changes for engineering alignment by extracting exact changes and translating them into a structured delta spec. This maps impact scope, dependencies, and decisions to ensure clear handoffs.

Can I document impact scope and dependencies for a specific product change?▼

Yes, you can document impact scope and dependencies for a specific product change. The delta spec enumerates affected modules or screens and maps decisions to prevent drift between product and engineering.

Does this approach work for converting a prototype into a buildable spec package?▼

Yes, this approach works for converting a prototype into a buildable spec package. It extracts the scoped solution and translates it into a production-ready delta spec package for immediate engineering handoff.

What is the best way to justify a product change for engineering handoff?▼

The best way to justify a product change for engineering handoff is generating a delta spec that satisfies entry and trigger conditions. This concise format provides change-justification in build-ready form without rewriting the full PRD.