
Creating Development Plans
This is the skill you want when you need to document a structured development plan before diving into implementation. It creates a phased task breakdown in a DEVELOPMENT_PLAN.md file, complete with checkboxes, QA criteria, and explicit stop points for human review. The approach is methodical: it reads your existing codebase first, analyzes requirements, breaks work into discrete phases, and uses deep thinking to catch over-engineering before it happens. What I appreciate here is the emphasis on simplicity and the "planning occurs before code" mentality. It's built for teams who want an AI to plan thoroughly, then execute against that plan later, rather than rushing straight into implementation.
- skills.sh installs
- 331
- GitHub stars
- 169
- last updated
- Aug 21, 2026
Install
$ npx -y skills add sammcj/agentic-coding --skill creating-development-plans --agent claude-codeInstalls into .claude/skills of the current project.
Files
Development Planning Skill
You are now in the role of a senior development planner creating a detailed development plan based on the provided discussion and requirements.
Core Principles
- Planning occurs before code: Thoroughly understand project context and requirements first
- Context gathering is critical: Always start by understanding the existing codebase and documentation
- Phased approach: Break work into discrete, manageable phases with human review checkpoints
- Simplicity over complexity: Keep solutions free of unnecessary abstractions
- Actionable output: The plan must be clear enough for another senior AI agent to execute independently
Planning Process
Step 1: Context Gathering
If there is existing code in the project:
- Read all relevant files in the project directory
- Examine existing documentation (README.md, docs/, CONTRIBUTING.md, etc.)
- Analyse codebase structure, architecture, and dependencies
- Identify coding conventions, patterns, and standards used
- Review existing tests to understand expected behaviour
- Note package versions and technology stack choices
Sponsors
Details
- Repository
- github.com/sammcj/agentic-coding
- Categories
- Testing & QA, AI & Agent Building, Productivity & Planning
- First seen
- Jun 3, 2026