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speckit-plan

Generate implementation artifacts from a formal plan template.

3|Updated Mar 24, 2026
Search Tags:#workflow#planning#spec-kit#artifact-generation#planning-automation#extension-hooks
One-click install
npx skills add https://github.com/ldilov/harness-forge --skill speckit-plan-ldilov
Or copy as Structured Prompt for Agent▼
Please help me install this Agent Skill.
Skill: speckit-plan
Source: https://github.com/ldilov/harness-forge/tree/main/.agents/skills/speckit-plan
Command: npx skills add https://github.com/ldilov/harness-forge --skill speckit-plan-ldilov

SYSTEM DOCUMENTATION & REQUIREMENTS

What problem does it solve?

Speckit-plan automates the implementation planning workflow by turning a plan template into design artifacts and governance artifacts for software projects.

Core Features & Use Cases

  • Generates an implementation plan from a plan/template, including phases and artifacts such as research.md, data-model.md, contracts/, quickstart.md.
  • Handles pre/post-execution extension hooks via .specify/extensions.yml, supporting mandatory and optional hooks with clear execution prompts.
  • Integrates with constitution checks and agent context updates during the planning phases to ensure alignment with project constraints.

Quick Start

Run the speckit-plan to generate the initial implementation artifacts from the plan template.

Frequently Asked Questions about speckit-plan

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

FAQPage Schema
How do I automate implementation planning from a plan template?▼

Automating implementation planning uses a formal plan template to generate design artifacts like research.md, data-model.md, and contracts/. This enables deterministic project bootstrapping by executing structured gates and producing phase-driven outputs automatically.

What is a .specify/ workflow for artifact generation?▼

A .specify/ workflow organizes projects using extension hooks and phase-driven artifact generation. It loads IMPL_PLAN templates, executes structured governance gates, and produces artifacts such as research.md, data-model.md, contracts/, and quickstart.md.

How do I execute pre and post extension hooks during planning automation?▼

Extension hooks execute during planning automation via .specify/extensions.yml, supporting mandatory and optional hooks with clear execution prompts. This integrates constitution checks and agent context updates to ensure alignment with project constraints.

Do I need a specific project structure for phase-driven artifact generation?▼

Phase-driven artifact generation requires projects organized with a .specify/ workflow, extension hooks, and formal IMPL_PLAN templates. This structure enables deterministic governance gates and ensures the proper generation of design artifacts.

What artifacts are generated from an implementation plan template?▼

Implementation plan templates generate artifacts including research.md, data-model.md, contracts/, and quickstart.md. These outputs are produced through structured gates and phase-driven execution, enabling deterministic project bootstrapping and governance.

Can I integrate constitution checks into my implementation planning workflow?▼

Constitution checks integrate into implementation planning during phase execution to ensure alignment with project constraints. The workflow updates agent context and executes governance gates alongside mandatory and optional extension hooks.

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