Does this skill require external tools?

Yes, this skill requires the openspec CLI to be installed and available in your environment to manage changes and task lists.

What is the primary purpose of the OpenSpec Task Implementer?

It automates the implementation of coding tasks based on OpenSpec changes, guiding Claude through a sequence of steps to fulfill specific technical requirements.

Can I use this for projects already in progress?

Absolutely. It supports a fluid workflow where you can invoke the skill anytime—whether you are starting a new implementation or resuming a partial one.

How does the skill handle ambiguous or unclear tasks?

The skill follows built-in guardrails that trigger a pause in implementation to ask the user for clarification whenever a requirement is unclear or a design issue is discovered.

OpenSpec Task Implementer

Name: OpenSpec Task Implementer
Author: TomazWang

byTomazWang

0•

Productivity & Workflow

Automates the step-by-step implementation of coding tasks derived from OpenSpec changes while maintaining progress and context.

OpenSpec Task Implementer is a specialized Claude Code skill designed to streamline software development by executing granular tasks defined within an OpenSpec workflow. It intelligently selects active changes, parses required context files, and guides Claude through a structured implementation loop—marking tasks as complete in real-time. By enforcing guardrails like minimal code changes and automatic progress tracking, it ensures that developers stay aligned with project specifications and provides clear visibility into implementation status across various development schemas.

Key Features

01Context-aware execution using schema-specific files like proposals, specs, and designs

02Automatic task checkbox updates within project files to track progress

03Intelligent change selection with auto-detection and interactive user prompts

040 GitHub stars

05Built-in guardrails to pause on ambiguity or design inconsistencies

06Automated task-by-task implementation loop with real-time status updates

Use Cases

01Maintaining a tight feedback loop between task definitions and actual code changes

02Continuing a partially completed coding change across multiple development sessions

03Executing a feature implementation from a pre-defined technical specification

What are Skills?·How to Install

Install with 🐟 Skill.Fish

npx skillfish add tomazwang/agent-toolkit openspec-apply-change

For use in Claude.ai and ChatGPT

Download Skill