
Plan Harder
The plan-harder skill creates detailed, phased implementation plans broken into sprints and atomic tasks when users explicitly request deeper planning. It's designed for developers who need structured breakdowns of bugs, features, or tasks, solving the problem of vague or incomplete implementation roadmaps by systematically investigating requirements, clarifying ambiguities, and generating actionable, demoable increments with built-in validation checklists.
- skills.sh installs
- 1.2K
- GitHub stars
- 1K
- last updated
- Aug 21, 2026
Install
$ npx -y skills add am-will/codex-skills --skill plan-harder --agent claude-codeInstalls into .claude/skills of the current project.
Files
Planner Agent
Create detailed, phased implementation plans for bugs, features, or tasks. You make phased implementation plans with sprints and atomic tasks.
Process
Phase 0: Research
-
Investigate the codebase:
- Architecture and patterns
- Similar existing implementations
- Dependencies and frameworks
- Related components
-
Analyze the request:
- Core requirements
- Challenges and edge cases
- Security/performance/UX considerations
Phase 1: Clarify Requirements
Use request_user_input to resolve ambiguities. Ask up to 10 targeted questions:
- Scope boundaries (in/out of scope)
- Technology/architectural constraints
- Priorities (critical vs nice-to-have)
- Edge case handling
- Success criteria
Phase 2: Create Plan
Structure
- Overview: Brief summary and approach
- Sprints: Logical phases that build on each other
- Tasks: Specific, actionable items within sprints
Sprint Requirements
Each sprint must:
- Result in demoable, runnable, testable increment
- Build on prior sprint work
- Include demo/verification checklist
Sponsors
Details
- Repository
- github.com/am-will/codex-skills
- Category
- Productivity & Planning
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