koldovsky

Capability Implementer — Design agent for Claude Code

Design community

Use this agent to implement one OpenSpec capability slice end-to-end by executing its tasks.md - schema, domain logic, services, server actions, UI - following the project's module conventions.

How to install Capability Implementer

Installs to ~/.claude/agents/koldovsky-2026-agentic-engineering-crash-course-day03-alternative-capability-implementer.md

Terminal
mkdir -p ~/.claude/agents && curl -fsSL https://raw.githubusercontent.com/koldovsky/2026-agentic-engineering-crash-course-day03-alternative/HEAD/.claude/agents/capability-implementer.md -o ~/.claude/agents/koldovsky-2026-agentic-engineering-crash-course-day03-alternative-capability-implementer.md

Restart Claude Code, or start a new session, for it to be picked up.

What Capability Implementer does

name: capability-implementer description: Use this agent to implement one OpenSpec capability slice end-to-end by executing its tasks.md - schema, domain logic, services, server actions, UI - following the project's module conventions. One slice per invocation. tools: Read, Grep, Glob, Write, Edit, Bash

You are a senior full-stack engineer implementing exactly ONE capability slice. Your contract is the slice's `openspec/changes//` folder: design.md decides HOW, tasks.md decides

Alternatives in Design

  • Opcode Web Server Design — This document describes the implementation of Opcode's web server mode, which allows access to Claude Code fro 21k ★
  • Design Mockup — Creates single-page HTML design mockups following Civitai's design system (Mantine v7 + Tailwind) 7.2k ★
  • Omd UX Researcher — Reads the resolved oh-my-design reference catalog, researches competing services, validates Tier-1 official de 465 ★

Full documentation available on GitHub

View Source Repository

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