40-plan-action-150
[40] PLAN. Create clear action plans with steps, success criteria, and risk awareness. Use before implementing features, making changes, starting projects, or anytime you need a roadmap to success. Triggers on "plan this", "how should we approach", "what's the strategy", "steps to complete", or when facing complex multi-step work.
Best use case
40-plan-action-150 is best used when you need a repeatable AI agent workflow instead of a one-off prompt.
[40] PLAN. Create clear action plans with steps, success criteria, and risk awareness. Use before implementing features, making changes, starting projects, or anytime you need a roadmap to success. Triggers on "plan this", "how should we approach", "what's the strategy", "steps to complete", or when facing complex multi-step work.
Teams using 40-plan-action-150 should expect a more consistent output, faster repeated execution, less prompt rewriting.
When to use this skill
- You want a reusable workflow that can be run more than once with consistent structure.
When not to use this skill
- You only need a quick one-off answer and do not need a reusable workflow.
- You cannot install or maintain the underlying files, dependencies, or repository context.
Installation
Claude Code / Cursor / Codex
Manual Installation
- Download SKILL.md from GitHub
- Place it in
.claude/skills/40-plan-action-150/SKILL.mdinside your project - Restart your AI agent — it will auto-discover the skill
How 40-plan-action-150 Compares
| Feature / Agent | 40-plan-action-150 | Standard Approach |
|---|---|---|
| Platform Support | Not specified | Limited / Varies |
| Context Awareness | High | Baseline |
| Installation Complexity | Unknown | N/A |
Frequently Asked Questions
What does this skill do?
[40] PLAN. Create clear action plans with steps, success criteria, and risk awareness. Use before implementing features, making changes, starting projects, or anytime you need a roadmap to success. Triggers on "plan this", "how should we approach", "what's the strategy", "steps to complete", or when facing complex multi-step work.
Where can I find the source code?
You can find the source code on GitHub using the link provided at the top of the page.
SKILL.md Source
# Plan-Action 150 Protocol
**Core Principle:** Know the path before walking. Have clear steps, know what success looks like, and be ready for what could go wrong.
## What This Skill Does
When you invoke this skill, you're creating:
- **Clear Steps** — What to do and in what order
- **Success Criteria** — How to know when done
- **Risk Awareness** — What could go wrong and how to handle it
- **Fallback Options** — Safe points and alternatives
## The Plan Structure
```
📋 ACTION PLAN
├── 🎯 Goal: What we're achieving
├── 📝 Steps: Ordered actions
├── ✅ Success: How we know we're done
├── ⚠️ Risks: What could go wrong
└── 🔄 Fallback: How to recover
```
## The 150% Planning Rule
- **100% Core:** Clear steps + success criteria
- **50% Enhancement:** Risks identified + fallback options ready
## When to Use This Skill
**Universal trigger:** Before doing anything with multiple steps or significant complexity.
**Specific triggers:**
- Starting a new feature or project
- Making changes to existing systems
- Deploying or releasing
- Refactoring or migrations
- Any work where "just do it" isn't enough
- When asked "how should we approach this?"
**Key insight:** Good plans prevent chaos. Time spent planning saves time spent fixing.
## Execution Protocol
### Step 1: DEFINE THE GOAL
Be crystal clear on what success looks like:
- What exactly are we trying to achieve?
- What does "done" look like?
- What's in scope, what's out?
### Step 2: BREAK INTO STEPS
Decompose into actionable pieces:
- What are the logical phases?
- What's the order (what depends on what)?
- What are the atomic actions?
### Step 3: SET SUCCESS CRITERIA
Define how to measure completion:
- How do we know each step is done?
- What tests/checks confirm success?
- What's the quality bar?
### Step 4: IDENTIFY RISKS
Think about what could go wrong:
- What are the failure points?
- What has highest impact if it fails?
- What's most likely to go wrong?
### Step 5: PLAN FALLBACKS
Prepare for problems:
- Where are the safe stopping points?
- How do we rollback if needed?
- What's plan B?
### Step 6: ESTIMATE & VALIDATE
Reality check the plan:
- Is this realistic given resources?
- Are dependencies available?
- Does the logic hold?
## Output Format
When using Action-Plan 150:
```
📋 **Action-Plan 150**
**Goal:** [Clear statement of what we're achieving]
**Steps:**
1. [ ] **Step 1:** [Action] → Success: [Criteria]
2. [ ] **Step 2:** [Action] → Success: [Criteria]
3. [ ] **Step 3:** [Action] → Success: [Criteria]
...
**Success Criteria:**
- ✅ Done when: [measurable outcome]
- 📊 Quality bar: [standards to meet]
- 🧪 Validation: [how to confirm]
**Risks & Mitigation:**
| Risk | Impact | Mitigation |
|------|--------|------------|
| [Risk 1] | High/Med/Low | [How to handle] |
| [Risk 2] | High/Med/Low | [How to handle] |
**Fallback Points:**
- 🔄 After Step X: Can safely stop here
- ↩️ Rollback plan: [How to undo if needed]
**Estimates:**
- Time: [Realistic estimate]
- Dependencies: [What's needed first]
Ready to execute?
```
## Plan Quality Levels
| Level | Characteristics | When to Use |
|-------|----------------|-------------|
| **Quick Plan** | Goal + 3-5 steps | Simple tasks |
| **Standard Plan** | Steps + criteria + main risks | Normal work |
| **Full Plan** | Everything + estimates + alternatives | Complex/critical work |
## Operational Rules
1. **NO BLIND EXECUTION:** Don't start complex work without a plan
2. **STEPS MUST BE ACTIONABLE:** Each step = clear action
3. **SUCCESS MUST BE MEASURABLE:** Know when each step is done
4. **RISKS MUST BE REAL:** Think about what actually could fail
5. **FALLBACKS MUST EXIST:** Always have a way to stop/undo safely
6. **PLANS CAN EVOLVE:** Update as you learn more
## Examples
### ❌ Without Action-Plan
```
Task: "Add user authentication"
Approach: "Just start coding"
Result: 3 days in, realized need for database changes,
session handling unclear, no tests, rollback impossible
```
### ✅ With Action-Plan 150
```
Task: "Add user authentication"
📋 Action-Plan 150:
Goal: Users can register, login, logout securely
Steps:
1. [ ] Database: Add users table → Success: Migration runs
2. [ ] Backend: Auth endpoints → Success: API tests pass
3. [ ] Frontend: Login/register forms → Success: E2E tests pass
4. [ ] Security: Rate limiting, HTTPS → Success: Security audit pass
5. [ ] Deploy: Staged rollout → Success: No errors in 24h
Success Criteria:
- ✅ Users can register with email/password
- ✅ Login returns JWT token
- ✅ Protected routes reject unauthenticated
- 📊 Response time < 200ms
- 🧪 All auth tests green
Risks & Mitigation:
| Risk | Impact | Mitigation |
|------|--------|------------|
| Password leak | Critical | Use bcrypt, never log passwords |
| Session hijack | High | Secure cookies, short expiry |
| Brute force | Medium | Rate limiting, lockout |
Fallback Points:
- 🔄 After Step 2: Can deploy backend without frontend
- ↩️ Rollback: Feature flag to disable auth completely
Time Estimate: 2-3 days
Dependencies: Database access, frontend framework
Ready to execute!
```
### ✅ Quick Plan Example
```
Task: "Fix the button color"
📋 Quick Plan:
1. Find button component
2. Change color value
3. Test in browser
4. Commit
Success: Button is correct color, no side effects
Risk: Might affect other buttons → Check shared styles
Time: 15 minutes
```
## Failure Modes & Recovery
| Failure | Detection | Recovery |
|---------|-----------|----------|
| **No plan** | Coding without knowing goal | Stop, create plan first |
| **Vague steps** | "Make it work" type steps | Break into specific actions |
| **No success criteria** | "I think it's done" | Define measurable outcomes |
| **Ignored risks** | Surprised by problems | Add risk analysis |
| **No fallback** | Can't undo, can't stop | Define safe points |
## Relationship to Other Skills
| Skill | Focus |
|-------|-------|
| **goal-clarity-150** | WHAT we want (the destination) |
| **research-deep-150** | WHAT we know (the information) |
| **impact-map-150** | WHAT it affects (the scope) |
| **action-plan-150** | HOW to get there (the path) |
| **deep-think-150** | HOW to reason about it |
| **max-quality-150** | HOW to do it well |
**Natural Flow:**
```
goal-clarity → research-deep → impact-map → action-plan → execute
↓ ↓ ↓ ↓
What we What we What's How to
want know affected do it
```
## Session Log Entry (MANDATORY)
After completing this skill, write to `.sessions/SESSION_[date]-[name].md`:
```
### [HH:MM] Plan-Action 150 Complete
**Action:** Created/Updated action plan
**Result:** <plan readiness>
**Artifacts:** <task.md/implementation_plan.md>
```
---
**Remember:** A plan isn't bureaucracy — it's a map. You can deviate from a map, but you can't deviate from nothing. Plans prevent the chaos of "figuring it out as we go."Related Skills
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