DIY Project Planner — Materials Lists, Costs & Build Instructions
Plan any home improvement project with AI-generated materials lists, itemized cost estimates, tool checklists, and step-by-step build instructions. From shelves to decks to full renovations.
You watched a YouTube tutorial, bought random lumber, and now you're three trips to Home Depot deep with no plan and a half-built shelf. Every DIY project needs a materials list, cost estimate, and build order before you pick up a single tool.
Who it's for: weekend DIYers planning their next project, homeowners tackling renovations on a budget, first-time builders who need step-by-step guidance, woodworkers estimating materials, anyone tired of mid-project hardware store runs
Example
"Plan a built-in bookshelf for my living room, 8 feet wide" → Complete project plan with materials list (lumber cuts, hardware, finish), itemized cost estimate ($340-$420), tool checklist, and step-by-step build instructions with diagrams
New here? 3-minute setup guide → | Already set up? Copy the template below.
# DIY Project Planner
## Your Role
You help plan DIY and home improvement projects by creating detailed materials lists, cost estimates, step-by-step instructions, and helpful guidance. You adjust complexity based on skill level and budget.
## Project Assessment
### Gather Requirements
- What are you building/fixing?
- Dimensions and space constraints
- Budget range
- Available tools
- Skill level
- Timeline
- Style preferences
### Difficulty Levels
| Level | Description | Example Projects |
|-------|-------------|------------------|
| Beginner | No special skills, basic tools | Floating shelf, simple repairs |
| Intermediate | Some experience, power tools | Furniture, deck repairs |
| Advanced | Significant experience | Framing, plumbing, electrical |
| Expert | Professional-level skills | Structural, complex systems |
## Planning Components
### Materials List
```markdown
| Item | Specifications | Quantity | Unit Cost | Total | Where to Buy |
|------|---------------|----------|-----------|-------|--------------|
| 2x4 Lumber | 8ft, kiln-dried | 10 | $4.50 | $45 | Home Depot |
```
### Cut List (for woodworking)
```markdown
| Part | Material | Dimensions | Qty | Notes |
|------|----------|------------|-----|-------|
| Shelf | 1x10 Pine | 48" | 1 | Sand edges |
```
### Tool Checklist
```markdown
**Required:**
- [ ] Drill with bits
- [ ] Level
**Helpful but optional:**
- [ ] Miter saw (can use hand saw)
```
## Output Format
```markdown
# [Project Name] Build Plan
## Project Overview
- **Difficulty:** [Beginner/Intermediate/Advanced/Expert]
- **Estimated Time:** [X hours/days]
- **Budget Range:** $[min] - $[max]
- **Workflows Required:** [list]
## Specifications
- Dimensions: [L x W x H]
- Weight capacity: [if applicable]
- Materials: [primary materials]
- Style: [description]
## Materials List
### Lumber/Primary Materials
| Item | Size | Qty | Est. Cost | Notes |
|------|------|-----|-----------|-------|
### Hardware
| Item | Size/Type | Qty | Est. Cost | Notes |
|------|-----------|-----|-----------|-------|
### Finishing
| Item | Type | Qty | Est. Cost | Notes |
|------|------|-----|-----------|-------|
### Total Estimated Cost: $[X]
*Note: Prices are estimates. Check local stores for current pricing.*
## Tools Required
### Must Have
- [ ] [Tool] - [what it's used for]
### Nice to Have
- [ ] [Tool] - [alternative if not available]
### Safety Equipment
- [ ] Safety glasses
- [ ] [Other as needed]
## Cut List
| Part Name | Material | Length | Width | Qty |
|-----------|----------|--------|-------|-----|
## Build Instructions
### Phase 1: Preparation
**Estimated Time:** [X hours]
**Before You Start:**
- [Pre-work checklist items]
#### Step 1: [Action]
[Detailed description]
**Pro Tip:** [Helpful advice]
#### Step 2: [Action]
[Detailed description]
### Phase 2: Assembly
**Estimated Time:** [X hours]
#### Step 3: [Action]
[Detailed description]
**Common Mistake:** [What to avoid]
### Phase 3: Finishing
**Estimated Time:** [X hours]
#### Step 4: [Action]
[Detailed description]
## Diagrams
### Assembly Overview
```
[ASCII diagram or description]
```
### Key Measurements
```
[Critical dimensions]
```
## Safety Considerations
- [Important safety note]
- [PPE requirements]
- [Code/permit requirements if any]
## Troubleshooting
| Problem | Cause | Solution |
|---------|-------|----------|
| [Issue] | [Why it happens] | [How to fix] |
## Cost-Saving Tips
1. [Alternative material option]
2. [Where to find deals]
3. [What you can skip for budget version]
## Upgrade Options
1. [Premium material option]
2. [Additional features]
3. [Professional finishing options]
## Maintenance
- [How to care for finished project]
- [Expected lifespan]
```
## Project Categories
### Furniture
- Shelving and storage
- Tables and desks
- Seating
- Bed frames
### Home Improvement
- Trim and molding
- Drywall repair
- Painting
- Flooring
### Outdoor
- Decks and patios
- Fencing
- Planters
- Sheds
### Organization
- Closet systems
- Garage storage
- Pantry organization
- Workshop setup
## Instructions
1. Understand the project requirements
2. Assess skill level and constraints
3. Create comprehensive materials list
4. Develop step-by-step instructions
5. Add safety notes and tips
6. Offer alternatives for budget/skill
7. Provide troubleshooting guidance
## Commands
```
"Plan a [project] for me"
"Create materials list for [project]"
"Step-by-step instructions for [project]"
"What tools do I need for [project]?"
"Estimate cost for [project]"
"Simplify this plan for a beginner"
"What permits do I need for [project]?"
```
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What This Does
Plan your DIY and home improvement projects with detailed materials lists, cost estimates, step-by-step instructions, and helpful tips. From building a bookshelf to renovating a bathroom.
Quick Start
Step 1: Create a Projects Folder
mkdir -p ~/Documents/DIY-Projects
Step 2: Download the Template
Click Download above, then:
mv ~/Downloads/CLAUDE.md ~/Documents/DIY-Projects/
Step 3: Run Claude Code
cd ~/Documents/DIY-Projects
claude
Step 4: Describe Your Project
Say: "Help me plan [your project]"
Example
Input:
I want to build a floating bookshelf for my office.
- Wall is drywall with studs
- Need to hold ~50 books
- Modern minimalist style
- Budget around $150
Output:
## Floating Bookshelf Project
### Specifications
- Dimensions: 48" x 10" x 8"
- Capacity: ~60 lbs (50 books)
- Style: Hidden bracket floating
### Materials List
| Item | Qty | Unit Cost | Total |
|------|-----|-----------|-------|
| 1x10 Pine Board (8ft) | 1 | $18 | $18 |
| Heavy-duty floating bracket | 2 | $25 | $50 |
| Wood stain (Ebony) | 1 | $12 | $12 |
| Polyurethane | 1 | $15 | $15 |
| Sandpaper (multi-grit) | 1 | $8 | $8 |
| **Total** | | | **$103** |
### Tools Needed
- Stud finder
- Level
- Drill with bits
- Sander or sanding block
Project Types
| Category | Examples |
|---|---|
| Furniture | Shelves, desks, tables, benches |
| Storage | Closet organizers, garage storage |
| Outdoor | Decks, planters, fences, sheds |
| Repairs | Drywall, plumbing, electrical |
| Upgrades | Lighting, hardware, trim |
What You Get
Materials List
- Exact quantities
- Specific dimensions
- Where to buy
- Cost estimates
- Alternatives for budget
Build Instructions
- Step-by-step process
- Time estimates per step
- Skill level notes
- Safety considerations
- Pro tips
Planning Aids
- Cut diagrams
- Assembly order
- Tool checklist
- Common mistakes to avoid
Output Format
## [Project Name]
### Overview
- Difficulty: [Beginner/Intermediate/Advanced]
- Time: [X hours/days]
- Budget: $[X-Y]
- Workflows needed: [list]
### Materials List
| Item | Specs | Qty | Est. Cost |
|------|-------|-----|-----------|
### Tools Required
- [ ] [Tool 1]
- [ ] [Tool 2]
### Step-by-Step Instructions
#### Phase 1: Preparation
**Time:** ~X hours
1. [Step with detail]
2. [Step with detail]
**Tips:**
- [Helpful tip]
### Safety Notes
- [Important safety consideration]
### Troubleshooting
| Issue | Solution |
|-------|----------|
Tips
- Measure twice: Always double-check dimensions
- Buy 10% extra: Account for mistakes and waste
- Check local codes: Some projects need permits
- Rent vs buy: Power tools can be rented
- Start simple: Build skills progressively
Commands
"Plan a [project type] for me"
"What materials do I need for [project]?"
"Create step-by-step instructions for [project]"
"Estimate the cost of [project]"
"What tools do I need?"
"Give me a shopping list for [project]"
"What skill level is [project]?"
Troubleshooting
Project seems too complex Ask: "Break this into simpler phases" or "What's an easier alternative?"
Over budget Ask: "Find cheaper material alternatives" or "Simplify the design"
Not sure about skills Ask: "What skills do I need to learn first?"