Openspec Proposal Creation

This generates structured change proposals using spec-driven development, scaffolding out proposal.md for rationale, tasks.md for implementation steps, and spec-delta.md with formal ADDED/MODIFIED/REMOVED requirements in EARS format. It walks through an eight-step workflow from reviewing existing specs to validation, making sure you don't skip the grep checks or forget error scenarios. Useful when you're planning features before coding and want the discipline of writing requirements first. The progressive disclosure is smart, keeping the main guide under 500 lines while linking to deeper references on EARS syntax and validation patterns when you need them.

skills.sh installs: 1.2K
GitHub stars: 10
last updated: Aug 21, 2026

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Install

$ npx -y skills add forztf/open-skilled-sdd --skill openspec-proposal-creation --agent claude-code

Installs into .claude/skills of the current project.

Files

Specification Proposal Creation

Creates comprehensive change proposals following spec-driven development methodology.

Quick Start

Creating a spec proposal involves three main outputs:

proposal.md - Why, what, and impact summary
tasks.md - Numbered implementation checklist
spec-delta.md - Formal requirement changes (ADDED/MODIFIED/REMOVED)

Basic workflow: Generate change ID → scaffold directories → draft proposal → create spec deltas → validate structure

Workflow

Copy this checklist and track progress:

Proposal Progress:
- [ ] Step 1: Review existing specifications
- [ ] Step 2: Generate unique change ID
- [ ] Step 3: Scaffold directory structure
- [ ] Step 4: Draft proposal.md (Why/What/Impact)
- [ ] Step 5: Create tasks.md implementation checklist
- [ ] Step 6: Write spec deltas with EARS format
- [ ] Step 7: Validate proposal structure
- [ ] Step 8: Present for user approval

Step 1: Review existing specifications

Before creating a proposal, understand the current state:

# List all existing specs
find spec/specs -name "spec.md" -type f

SKILL.md on GitHub

Details

Repository: github.com/forztf/open-skilled-sdd
Categories: Code Review & Quality, Productivity & Planning, Design & UI/UX
First seen: May 16, 2026

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