---
name: "xpay-code-sentinel-analyze-design-patterns"
description: "Focused analysis of Gang of Four (GoF) design patterns in code. Detects Singleton, Factory, Observer, Strategy, and other classic patterns with confidence levels and implementation details."
version: "1.0.0"
price: "$0.01/call"
provider: "Code Sentinel"
---

# Analyze Design Patterns

Focused analysis of Gang of Four (GoF) design patterns in code. Detects Singleton, Factory, Observer, Strategy, and other classic patterns with confidence levels and implementation details.

**Provider:** Code Sentinel
**Price:** $0.01/call
**Pricing model:** Flat rate per call

## When to Use

Use this tool when you need to focused analysis of gang of four (gof) design patterns in code. detects singleton, factory, observer, strategy, and other classic patterns with confidence levels and implementation details.. This is part of the Code Sentinel provider on xpay✦.

## MCP Connection

Connect to xpay✦ to access this tool (and 6+ others):

```json
{
  "mcpServers": {
    "xpay": {
      "url": "https://mcp.xpay.sh/mcp?key=YOUR_API_KEY"
    }
  }
}
```

For Claude Code:
```bash
claude mcp add --transport http xpay "https://mcp.xpay.sh/mcp?key=YOUR_API_KEY"
```

## How to Execute

Use the xpay✦ meta-tools to run this tool:

1. **`xpay_details`** — Get full input schema: `xpay_details("code-sentinel/analyze_design_patterns")`
2. **`xpay_run`** — Execute: `xpay_run("code-sentinel/analyze_design_patterns", { ...inputs })`

## Input Parameters

| Parameter | Type | Required | Description |
|-----------|------|----------|-------------|
| `code` | string | Yes | The source code to analyze |
| `filename` | string | Yes | The filename (used to detect language) |

## Pricing

- **Cost:** $0.01/call
- **Balance check:** Use `xpay_balance` to check remaining credits
- Get your API key at [xpay.tools](https://xpay.tools/account/settings/api-keys/) — $5 free credits included

## Related Skills

- [Code Sentinel (all tools)](https://xpay.tools/skills/code-sentinel/SKILL.md) — 7 tools
- [Analyze Code](https://xpay.tools/skills/code-sentinel/analyze-code/SKILL.md) — $0.01/call
- [Generate Report](https://xpay.tools/skills/code-sentinel/generate-report/SKILL.md) — $0.01/call
- [Check Security](https://xpay.tools/skills/code-sentinel/check-security/SKILL.md) — $0.01/call
- [Check Deceptive Patterns](https://xpay.tools/skills/code-sentinel/check-deceptive-patterns/SKILL.md) — $0.01/call
- [Check Placeholders](https://xpay.tools/skills/code-sentinel/check-placeholders/SKILL.md) — $0.01/call

## Links

- Tool page: https://xpay.tools/code-sentinel/analyze-design-patterns/
- Provider: https://xpay.tools/code-sentinel/
- All tools: https://xpay.tools/explore