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/implement Command

The /implement command activates the implementing-features skill to turn specifications into working code with quality gates and automatic progress tracking.

Overview

The implementing-features skill: - Loads specifications and requirements - Guides implementation with quality checks - Tracks progress via TODOs - Runs tests and validates acceptance criteria - Updates spec status automatically

Usage

Implement from Specification

/implement spec-auth-001

The skill will: 1. Load the specification 2. Review acceptance criteria 3. Set up TODO tracking 4. Guide you through implementation 5. Run tests and verify criteria 6. Update specification progress

Implement by Description

/implement "Add user profile management"

If no specification exists, the skill will create one first, then proceed with implementation.

Implementation Workflow

The implementing-features skill coordinates multiple sub-agents internally:

Research Phase: - Analyzes existing codebase patterns - Identifies similar implementations - Maps dependencies and integration points

Design Phase: - Reviews research findings - Designs technical approach - Defines component boundaries

Implementation Phase: - Writes production-quality code - Follows established patterns - Implements error handling and logging

Testing Phase: - Creates unit tests for all components - Implements integration tests - Validates edge cases

Review Phase: - Validates code quality standards - Checks security best practices - Reviews test coverage - Ensures documentation completeness

Quality Standards

The skill enforces: - Clean, readable code with meaningful names - Comprehensive error handling - Proper input validation - Minimum 80% test coverage - Security best practices - No hardcoded secrets

Progress Tracking

The skill uses TODOs to track implementation progress: 

# Creates TODOs automatically based on acceptance criteria
✓ Implement login endpoint
✓ Add JWT token generation
⧖ Create token validation middleware
  Implement logout functionality
  Add password hashing

As you complete TODOs, the specification progress updates automatically.

Integration Patterns

Database Changes

/implement "Add user preferences table"

Automatically handles: - Database schema design - Migration script creation - Model updates - Repository pattern implementation

API Endpoints

/implement "Create REST API for task management"

Includes: - Route definitions and handlers - Input validation and serialization - Error handling and responses - API documentation updates

Bug Fixes

/implement "Fix race condition in order processing"

Systematic approach: - Root cause analysis - Minimal invasive fixes - Regression test creation - Performance impact assessment

Best Practices

1. Start with Specifications

# Better: Use existing specification
/implement spec-notifications-001

# Good: Let skill create specification first
/implement "Add push notifications"

2. Provide Clear Context

# Good context
/implement "Add rate limiting using Redis, supporting 1000 requests per minute per user"

# Insufficient context
/implement "add rate limiting"

3. Review Before Shipping

After implementation completes: 

"Create a pull request for spec-auth-001"

The review-and-ship skill will validate code quality before creating the PR.

Next Steps