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Speckit Plan

dceoy/speckit-agent-skills

Turns your feature spec into a structured implementation plan with all the design artifacts you need before writing code. It runs through phases: research to resolve unknowns, data modeling to extract entities, and contract generation for APIs. The workflow enforces constitution checks and quality gates, so you catch architectural violations early. It also updates your agent context files (Claude, Copilot, etc.) with new tech decisions. Honestly, this is the kind of structured planning that senior devs do in their heads but forget to document. Now it's codified and repeatable, which matters when you're onboarding someone or revisiting a stale branch.

skills.sh installs
2.5K
GitHub stars
172
last updated
Aug 21, 2026
View on GitHub

Install

$ npx -y skills add dceoy/speckit-agent-skills --skill speckit-plan --agent claude-code

Installs into .claude/skills of the current project.

Files

User Input

$ARGUMENTS

You MUST consider the user input before proceeding (if not empty).

Pre-Execution Checks

Check for extension hooks (before planning):

SKILL.md on GitHub

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Details

Repository
github.com/dceoy/speckit-agent-skills
Categories
AI & Agent Building, Productivity & Planning, Automation & Workflows, Design & UI/UX
First seen
Jun 3, 2026

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