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speckit-plan

Generates implementation plans and design artifacts from feature specifications using the spec-kit plan template.

Updated Sep 12, 2026
Search Tags:#implementation planning#workflow automation#feature specification#data model#spec-kit#contracts#design artifacts
One-click install
npx skills add https://github.com/AndyRace/heart-rate-graph --skill speckit-plan-andyrace
Or copy as Structured Prompt for Agent▼
Please help me install this Agent Skill.
Skill: speckit-plan
Source: https://github.com/AndyRace/heart-rate-graph/tree/main/.github/skills/speckit-plan
Command: npx skills add https://github.com/AndyRace/heart-rate-graph --skill speckit-plan-andyrace

SYSTEM DOCUMENTATION & REQUIREMENTS

What problem does it solve? Turning a feature specification into a concrete implementation plan requires resolving technical unknowns, designing data models, and defining contracts, which is time-consuming when done manually. ## Core Features & Use Cases - Plan Workflow Execution: Runs the spec-kit planning workflow via setup-plan.ps1, filling Technical Context and Constitution Check sections in the plan template. - Research & Design Artifacts: Generates research.md in Phase 0 to resolve all NEEDS CLARIFICATION items, then produces data-model.md, contracts/, and quickstart.md in Phase 1. - Extension Hooks: Executes optional and mandatory before_plan and after_plan hooks defined in .specify/extensions.yml. - Use Case: After writing a feature spec with spec-kit, invoke this Skill to produce a complete design package including resolved research decisions, entity models, API contracts, and a validation quickstart guide. ## Quick Start Ask the agent to run the speckit plan workflow for the current feature branch to generate the implementation plan and design artifacts.

Frequently Asked Questions about speckit-plan

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

FAQPage Schema
How do I generate an implementation plan from a feature spec?▼

Run the speckit-plan workflow, which executes setup-plan.ps1 to locate the feature spec and plan template, then fills Technical Context, resolves unknowns in research.md, and produces data-model.md, contracts, and quickstart.md.

What artifacts does the spec-kit plan workflow produce?▼

The workflow produces research.md with resolved clarifications in Phase 0, then data-model.md, interface contracts under /contracts/, and quickstart.md in Phase 1. It also updates the implementation plan file with Technical Context and Constitution Check sections.

Does speckit-plan require a specific project structure?▼

Yes, it requires a spec-kit project with a .specify directory containing scripts/powershell/setup-plan.ps1 and memory/constitution.md. Without this structure the setup step cannot locate the feature spec and plan paths.

How do extension hooks work in the plan workflow?▼

Hooks are defined in .specify/extensions.yml under hooks.before_plan and hooks.after_plan. Mandatory hooks (optional: false) are executed automatically, while optional hooks are presented to the user with their command and prompt.

What happens when Technical Context has unresolved unknowns?▼

Items marked NEEDS CLARIFICATION become research tasks in Phase 0. Each unknown is researched and consolidated into research.md with a decision, rationale, and alternatives considered before design proceeds.

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