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build-skill

@djacobsmeyer/claude-skills-engineering
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Implement features and changes from implementation plans. Takes a plan file path as input and executes the implementation steps, then reports changes. Use when you have a detailed plan document and need to code it up, or want to implement specifications written in markdown format.

Install Skill

1Download skill
2Enable skills in Claude

Open claude.ai/settings/capabilities and find the "Skills" section

3Upload to Claude

Click "Upload skill" and select the downloaded ZIP file

Note: Please verify skill by going through its instructions before using it.

SKILL.md

name build-skill
description Implement features and changes from implementation plans. Takes a plan file path as input and executes the implementation steps, then reports changes. Use when you have a detailed plan document and need to code it up, or want to implement specifications written in markdown format.
allowed-tools Read, Edit, Write, Bash, Glob, Grep

Build

Implement code changes and features from a detailed implementation plan. This skill reads a plan file, follows its instructions step-by-step, and reports the completed work.

Prerequisites

  • A plan file in markdown format (typically from /quick-plan skill)
  • The plan contains clear implementation steps
  • You have access to the files that need to be modified

Workflow

  1. Validate plan - Confirm a plan file path has been provided
  2. Analyze plan - Read the plan and understand all implementation requirements
  3. Implement - Execute each step of the plan, modifying code as needed
  4. Report - Summarize changes and show diff statistics

Instructions

  1. If no plan file path is provided, ask the user to provide it and stop
  2. Read the plan file thoroughly - understand the full scope of work
  3. Think deeply about the implementation approach before starting
  4. Execute the plan step-by-step:
    • Create new files as specified
    • Modify existing files as outlined
    • Follow code patterns and conventions from the plan
  5. After implementation, report:
    • Summary of completed work (bullet points)
    • Files changed with git diff --stat

Examples

Example 1: Building from a plan

User: /build specs/authentication-system.md
Claude: [Reads authentication-system.md plan]
[Implements all steps]
Summary:
- Created JWT middleware in src/middleware/auth.ts
- Added login endpoint to src/routes/auth.ts
- Added password hashing utilities
[Shows git diff --stat output]

Example 2: Implementing a feature plan

User: Build the payment integration from specs/stripe-integration.md
Claude: [Reads plan and implements stripe integration]
Summary:
- Integrated Stripe API client
- Created payment endpoints
- Added webhooks for payment events