## What problem does it solve?
This Skill eliminates the manual, error-prone work of executing implementation plans for spec-kit projects, ensuring all tasks are run in the correct order with proper validation, checklist compliance checks, and extension hook integration.
## Core Features & Use Cases
- Phased Task Execution: Runs implementation tasks in ordered phases (Setup, Tests, Core, Integration, Polish) respecting sequential dependencies and parallel task markers [P].
- Built-in Validation: Performs prerequisite checks, validates checklist completion status, verifies project setup (ignore files, tech stack alignment), and enforces TDD by running tests before corresponding implementation tasks.
- Extension Hook Support: Automatically triggers pre and post-implementation extension hooks from .specify/extensions.yml for seamless integration with custom project workflows.
Use case: For a development team working on a spec-kit feature, this Skill automates the entire implementation workflow from task validation to final completion, reducing manual coordination errors and ensuring full alignment with the technical specification.
### Quick Start
Invoke the speckit-implement skill to automatically run all implementation tasks defined in your spec-kit project's tasks.md, following the technical plan and validation rules.