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startup-business-analyst — Claude Code plugin: startup analysis

Works out TAM/SAM/SOM, builds a 3–5 year financial model and maps competitors. Useful for founders and investors at the early stage.

Install into Claude Code · Plugin marketplace All methods and platforms ↓
/plugin marketplace add wshobson/agents
/plugin install startup-business-analyst@claude-code-workflows
Open on GitHub

What startup-business-analyst does

The plugin adds five skills to Claude: market sizing, financial modeling, team composition, competitive landscape and startup metrics. They fire on their own when your question touches the topic, so you never call them by hand.

Three slash commands sit on top. /startup-business-analyst:market-opportunity produces a market breakdown with TAM/SAM/SOM, /startup-business-analyst:financial-projections builds a three-scenario model with revenue, costs and runway, and /startup-business-analyst:business-case writes an investor-ready document. The fourth piece is the startup-analyst subagent, which picks up questions about competitors, team structure and customer acquisition payback.

You need the Claude CLI and internet access, because the market skills pull data from web research. No network means the sizing runs only on what you supply. The subagent model is set to inherit, so it follows your session default; the author recommends Opus for multi-market work or detailed models. Compensation benchmarks in the team skill are US-focused, so for other countries you feed in your own numbers.

What it helps with

  • size TAM, SAM and SOM for a new product
  • build a 3–5 year financial model with three scenarios
  • plan headcount and compensation by stage
  • map competitors by positioning and pricing
  • pick the right metrics for a given business model

Example prompts for the agent

  • Calculate TAM/SAM/SOM for an AI-powered email marketing tool for e-commerce
  • Create a 3-year financial model for a SaaS product with $50/mo pricing
  • /startup-business-analyst:financial-projections

How to install startup-business-analyst

Plugin marketplace

/plugin marketplace add wshobson/agents
/plugin install startup-business-analyst@claude-code-workflows

Step by step, with commands for each platform: Claude Code plugins: marketplaces, installing, and building your own

Questions about startup-business-analyst

How do I install startup-business-analyst in Claude?

Add the marketplace first: /plugin marketplace add wshobson/agents. Then install the plugin: /plugin install startup-business-analyst@claude-code-workflows.

What does startup-business-analyst do?

It ships five startup analysis skills — market sizing, financial modeling, team composition, competitive landscape and metrics — plus three slash commands and the startup-analyst subagent.

Does the plugin need internet access?

Yes. Web research powers the market sizing, so the skills need a connection. There are no external dependencies.

Source text

startup-business-analyst · MIT
# Startup Business Analyst Plugin

Comprehensive business analysis plugin specialized for early-stage startups, providing market sizing, financial modeling, team planning, and strategic research capabilities.

## Overview

This plugin equips Claude with expert-level startup business analysis capabilities, focusing on the critical calculations and strategic insights needed by entrepreneurs, founders, and investors.

## Features

### 5 Specialized Skills

- **market-sizing-analysis** - TAM/SAM/SOM calculations with multiple methodologies
- **startup-financial-modeling** - 3-5 year financial projections with scenarios
- **team-composition-analysis** - Organizational design and compensation planning
- **competitive-landscape** - Market positioning and competitive strategy
- **startup-metrics-framework** - Key metrics for different business models

### 3 Interactive Commands

- `/startup-business-analyst:market-opportunity` - Generate market opportunity analysis
- `/startup-business-analyst:financial-projections` - Create financial models with scenarios
- `/startup-business-analyst:business-case` - Generate comprehensive business case documents

### 1 Expert Agent

- **startup-analyst** - Specialized agent for early-stage startup analysis

## Installation

```bash
/plugin install startup-business-analyst@claude-code-workflows
```

## Usage

### Automatic Skill Activation

Skills activate automatically based on your questions:

```
"What's the TAM for a B2B SaaS project management tool?"
→ Activates market-sizing-analysis skill

"Create a 3-year financial model for my marketplace startup"
→ Activates startup-financial-modeling skill

"What are the key SaaS metrics I should track?"
→ Activates startup-metrics-framework skill
```

### Commands

**Market Opportunity Analysis:**

```bash
/startup-business-analyst:market-opportunity
```

Generates comprehensive market sizing with TAM/SAM/SOM breakdown.

**Financial Projections:**

```bash
/startup-business-analyst:financial-projections
```

Creates 3-scenario financial model with revenue, costs, and runway.

**Business Case:**

```bash
/startup-business-analyst:business-case
```

Produces investor-ready business case document.

### Agent Usage

The startup-analyst agent triggers automatically for business-related questions:

```
"Help me analyze the competitive landscape for my fintech startup"
"What should my team structure look like at $1M ARR?"
"Calculate my customer acquisition payback period"
```

## Skills Reference

### Market Sizing Analysis

Covers three methodologies:

- **Top-down**: Industry reports and market research
- **Bottom-up**: Customer segment calculations
- **Value theory**: Problem value and willingness to pay

Includes templates for SaaS, marketplace, consumer, B2B, and fintech.

### Startup Financial Modeling

Components:

- Revenue projections (by customer segment)
- Cost structure (COGS, S&M, R&D, G&A)
- Cash flow and runway calculations
- Headcount planning
- Scenario analysis (conservative, base, optimistic)

### Team Composition Analysis

Covers:

- Role-by-stage recommendations
- Compensation benchmarks (US-focused)
- Equity/options allocation strategies
- Full-time vs. contractor decisions
- Organizational design

### Competitive Landscape

Frameworks:

- Porter's Five Forces
- Blue Ocean Strategy
- Positioning maps
- Go-to-market strategy
- Competitive pricing analysis

### Startup Metrics Framework

Business model coverage:

- **SaaS**: ARR, MRR, NRR, CAC, LTV, Magic Number
- **Marketplace**: GMV, Take Rate, Liquidity
- **Consumer**: DAU/MAU, Retention, Virality
- **B2B**: ACR, Win Rate, Sales Cycle
- **Fintech**: TPV, Monetization Rate, Fraud Rate

## Examples

### Example 1: TAM/SAM/SOM Calculation

```markdown
"Calculate TAM/SAM/SOM for an AI-powered email marketing tool for e-commerce"

→ Skill activates and provides:

- TAM: Total email marketing software market
- SAM: AI-powered tools for e-commerce segment
- SOM: Realistic 3-5 year capture
- Methodology explanation
- Market growth assumptions
- Data sources and citations
```

### Example 2: Financial Model

```markdown
"Create a 3-year financial model for a SaaS product with $50/mo pricing"

→ Command generates:

- Revenue by cohort
- Cost structure breakdown
- Headcount plan
- Cash flow projection
- Runway calculation
- 3 scenarios (conservative/base/optimistic)
```

### Example 3: Competitive Analysis

```markdown
"Analyze competitors in the project management software space"

→ Agent provides:

- Competitive landscape map
- Feature comparison matrix
- Pricing analysis
- Market positioning recommendations
- Differentiation opportunities
```

## Best Practices

1. **Provide Context**: Share your business model, target market, and stage
2. **Be Specific**: Include numbers, timeframes, and assumptions where possible
3. **Iterate**: Start with high-level analysis, then drill into details
4. **Validate Assumptions**: Question and refine assumptions with the agent
5. **Cite Sources**: Ask for data sources and validation methods

## Requirements

- Claude Code CLI
- Internet access (for web research capabilities)
- No external dependencies

## Model Configuration

- **Agent Model**: `inherit` (uses your session default model)
- **Recommended**: Sonnet for balance of speed and quality
- **Use Opus for**: Complex multi-market analysis or detailed financial models

## Contributing

Found an issue or have suggestions? Please open an issue or PR at:
https://github.com/wshobson/agents

## License

MIT License - see repository LICENSE file for details.

## Version History

- **1.0.0** (2026-01-13): Initial release
  - 5 specialized skills
  - 3 interactive commands
  - 1 expert agent
  - Comprehensive startup analysis capabilities

© Seth Hobson · MIT · wshobson/agents

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