# Enterprise Codebase Organization Analysis
Comparison of top GitHub repositories and recommendations for universal-crypto-mcp.
## 🏆 Top Repository Patterns Analyzed
### 1. **MCP Servers** (modelcontextprotocol/servers)
- **Stars**: High visibility official repo
- **Structure**: Monorepo with individual servers in `src/`
```
src/
├── filesystem/ # Individual MCP server
│ ├── index.ts # Main entry point
│ ├── lib.ts # Core functionality
│ ├── path-utils.ts # Utilities
│ ├── __tests__/ # Tests co-located
│ └── README.md # Server-specific docs
├── everything/
│ ├── index.ts
│ ├── docs/ # Comprehensive documentation
│ ├── tools/ # Feature modules
│ ├── resources/
│ ├── prompts/
│ └── server/
└── memory/
└── ...
```
**Key Patterns**:
- ✅ **Flat server structure** - each MCP server is self-contained
- ✅ **Co-located tests** (`__tests__` next to code)
- ✅ **Feature-based modules** (tools/, resources/, prompts/)
- ✅ **Extensive documentation** per server
- ✅ **Shared root tsconfig.json**
### 2. **Uniswap V3** (uniswap/v3-core)
- **Stars**: 4.3k+ (DeFi standard)
- **Structure**: Clean contract-first architecture
```
contracts/
├── interfaces/ # All interfaces
├── libraries/ # Shared logic
│ ├── math/
│ ├── helpers/
│ └── ...
├── test/ # Test contracts
└── UniswapV3Pool.sol # Main contracts at root
test/
├── shared/ # Test utilities
│ ├── fixtures.ts
│ ├── utilities.ts
│ └── expect.ts
├── UniswapV3Pool.spec.ts
└── Oracle.spec.ts
audits/
└── tob/ # Trail of Bits audit
├── contracts/
└── README.md
```
**Key Patterns**:
- ✅ **Interfaces separated** from implementations
- ✅ **Libraries organized by category** (math, helpers)
- ✅ **Test utilities in shared/**
- ✅ **Audits tracked** in repo
- ✅ **Minimal nesting** - contracts at root level
### 3. **Aave V3** (aave/aave-v3-core)
- **Stars**: 900+ (Enterprise DeFi)
- **Structure**: Professional multi-layer architecture
```
contracts/
├── protocol/
│ ├── pool/ # Core pool logic
│ ├── libraries/ # Business logic
│ │ ├── logic/ # Complex operations
│ │ ├── math/ # Math libraries
│ │ ├── types/ # Type definitions
│ │ └── helpers/ # Utility functions
│ ├── tokenization/ # Token contracts
│ └── configuration/ # Config contracts
├── interfaces/ # All interfaces
├── dependencies/ # External dependencies
│ ├── openzeppelin/
│ └── weth/
├── mocks/ # Test mocks
└── misc/ # Utilities
test-suites/
├── helpers/
│ ├── make-suite.ts
│ ├── actions.ts
│ └── utils/
├── pool.spec.ts
└── atoken.spec.ts
certora/ # Formal verification
├── specs/
└── scripts/
helpers/ # Deployment helpers
├── types.ts
└── contracts-helpers.ts
```
**Key Patterns**:
- ✅ **Deep logical organization** (protocol/libraries/logic/)
- ✅ **Separated concerns** (protocol vs interfaces vs dependencies)
- ✅ **Test suites** not just tests
- ✅ **Formal verification** included
- ✅ **Helper utilities** for deployment
## 📊 Pattern Comparison Matrix
| Pattern | MCP Servers | Uniswap V3 | Aave V3 | Your Current |
|---------|-------------|------------|---------|--------------|
| **Monorepo** | ✅ Lerna-style | ❌ Single | ❌ Single | ✅ pnpm workspaces |
| **Test Location** | Co-located | Separate /test | Separate test-suites | Mixed |
| **Docs Location** | Per-package | Root + contracts | Root | Scattered |
| **Interface Separation** | Mixed | ✅ Yes | ✅ Yes | ❌ No |
| **Utilities Organization** | lib.ts files | shared/ | helpers/ | Inconsistent |
| **Type Definitions** | Inline | shared/utilities.ts | helpers/types.ts | Mixed |
| **Nesting Depth** | 2-3 levels | 2 levels | 4-5 levels | 3-4 levels |
| **Config Files** | Root | Root | Root | Root |
## 🎯 Recommended Organization for Universal-Crypto-MCP
Based on analysis of top repos, here's the ideal structure:
```
universal-crypto-mcp/
│
├── 📦 packages/
│ ├── core/ # ✅ Keep (foundation)
│ ├── shared/ # ✅ Keep (utilities)
│ │ ├── types/ # 🆕 Centralize all TypeScript types
│ │ ├── utils/ # 🆕 Common utilities
│ │ ├── interfaces/ # 🆕 All interfaces
│ │ └── constants/ # 🆕 Shared constants
│ │
│ ├── agents/ # Group by FEATURE, not tech
│ │ ├── trading/ # MCP server for trading
│ │ │ ├── src/
│ │ │ │ ├── index.ts
│ │ │ │ ├── tools/ # Trading tools
│ │ │ │ ├── resources/
│ │ │ │ └── lib/ # Trading utilities
│ │ │ ├── __tests__/ # Co-located tests
│ │ │ ├── docs/ # Server-specific docs
│ │ │ ├── package.json
│ │ │ └── README.md
│ │ ├── defi/
│ │ └── wallets/
│ │
│ ├── market-data/ # ✅ Good grouping
│ │ ├── coingecko/
│ │ ├── dune-analytics/
│ │ └── defillama/
│ │
│ ├── payments/ # ✅ Good grouping
│ │ ├── x402/
│ │ │ ├── facilitator/ # Your well-organized service
│ │ │ ├── protocol/
│ │ │ └── sdk/
│ │ └── stripe-mcp/
│ │
│ ├── defi/ # Protocols & integrations
│ │ ├── uniswap/
│ │ ├── aave/
│ │ └── curve/
│ │
│ └── infrastructure/ # DevOps & tooling
│ ├── monitoring/
│ ├── logging/
│ └── metrics/
│
├── 📄 contracts/ # Smart contracts (if any)
│ ├── interfaces/
│ ├── libraries/
│ ├── mocks/
│ └── tests/
│
├── 🧪 tests/ # Integration & E2E tests
│ ├── integration/
│ ├── e2e/
│ └── fixtures/
│
├── 📚 docs/ # Centralized documentation
│ ├── guides/
│ ├── api/
│ ├── architecture/
│ └── examples/
│
├── 🛠️ scripts/ # Build & deployment scripts
│ ├── build/
│ ├── deploy/
│ └── test/
│
├── 🌐 examples/ # Usage examples
│ ├── basic-mcp-server/
│ ├── trading-bot/
│ └── full-deployment/
│
├── ⚙️ Configuration (Root)
│ ├── package.json
│ ├── pnpm-workspace.yaml
│ ├── tsconfig.json
│ ├── tsconfig.test.json
│ ├── vitest.config.ts
│ ├── eslint.config.js
│ ├── .prettierrc
│ └── .gitignore
│
└── 📋 Documentation (Root)
├── README.md
├── CONTRIBUTING.md
├── ARCHITECTURE.md
├── CHANGELOG.md
└── LICENSE
```
## 🔧 Key Improvements Needed
### 1. **Flatten Package Structure** (Like MCP Servers)
**Current** (Too deep):
```
packages/market-data/data-aggregator/sdk/typescript/
packages/market-data/data-aggregator/mcp/
```
**Recommended**:
```
packages/market-data/aggregator/ # Main package
packages/market-data/aggregator-sdk/ # SDK if large enough
```
### 2. **Centralize Types** (Like Aave)
**Create**: `packages/shared/types/`
```typescript
// packages/shared/types/src/index.ts
export * from './chains';
export * from './tokens';
export * from './defi';
export * from './mcp';
```
All packages import from `@nirholas/universal-crypto-mcp-types`
### 3. **Separate Interfaces** (Like Uniswap)
**Create**: `packages/shared/interfaces/`
```typescript
// packages/shared/interfaces/src/ITrading.ts
export interface ITrading {
swap(...): Promise<...>;
quote(...): Promise<...>;
}
```
### 4. **Standardize Test Location** (Choose One)
**Option A**: Co-located (MCP Servers style) - **RECOMMENDED**
```
packages/payments/x402/facilitator/
├── src/
│ ├── services/
│ │ ├── fees.ts
│ │ └── __tests__/
│ │ └── fees.test.ts
```
**Option B**: Separate (Aave style)
```
packages/payments/x402/facilitator/
├── src/
│ └── services/
│ └── fees.ts
└── test/
└── services/
└── fees.test.ts
```
### 5. **Consolidate Documentation** (Like all elite repos)
**Move all docs to**: `docs/`
```
docs/
├── README.md # Entry point
├── getting-started/
│ ├── installation.md
│ ├── quick-start.md
│ └── first-mcp-server.md
├── guides/
│ ├── trading.md
│ ├── payments.md
│ └── defi.md
├── api/
│ ├── agents.md
│ ├── market-data.md
│ └── payments.md
├── architecture/
│ ├── overview.md
│ ├── packages.md
│ └── patterns.md
└── examples/
└── ...
```
### 6. **Remove Redundancy**
**Duplicates found**:
- `src/` AND `packages/` at root (choose one)
- `test/` AND `tests/` (consolidate)
- `x402/` AND `x402-deploy/` (should be in packages/)
- `website/` AND `website-unified/` (consolidate)
## 📝 Migration Plan
### Phase 1: Foundation (Week 1)
```bash
# 1. Create shared packages
mkdir -p packages/shared/{types,interfaces,utils,constants}
# 2. Initialize them
cd packages/shared/types && pnpm init
cd packages/shared/interfaces && pnpm init
cd packages/shared/utils && pnpm init
# 3. Move types
# Extract all interface/type definitions to shared/
```
### Phase 2: Flatten Structure (Week 2)
```bash
# 1. Flatten deep nesting
mv packages/market-data/data-aggregator/sdk/typescript \
packages/market-data/aggregator-sdk
# 2. Standardize test locations
# Choose co-located and move all tests
```
### Phase 3: Consolidate Docs (Week 3)
```bash
# 1. Create docs structure
mkdir -p docs/{guides,api,architecture,examples}
# 2. Move scattered docs
mv packages/*/README.md docs/guides/
mv *.md docs/
# 3. Create doc index
```
### Phase 4: Clean Root (Week 4)
```bash
# 1. Remove duplicates
rm -rf src/ # Use packages/ only
rm -rf tests/ # Consolidate to test/
# 2. Move workspace-specific items
mv x402-deploy packages/payments/x402/deploy
```
## 🎨 Package Naming Convention
**Current**: Inconsistent
```
packages/market-data/coingecko/
packages/wallets/armor/
packages/defi/uniswap/
```
**Recommended** (All elite repos use this):
```
@nirholas/universal-crypto-{category}-{name}
Examples:
@nirholas/universal-crypto-market-coingecko
@nirholas/universal-crypto-wallet-armor
@nirholas/universal-crypto-defi-uniswap
@nirholas/universal-crypto-agent-trading
@nirholas/universal-crypto-payment-x402
```
## 🏗️ Directory Structure Best Practices
### Per-Package Structure (MCP Server Pattern)
```
packages/market-data/coingecko/
├── src/
│ ├── index.ts # Main entry (server)
│ ├── tools/ # MCP tools
│ │ ├── index.ts
│ │ ├── get-price.ts
│ │ └── get-trending.ts
│ ├── resources/ # MCP resources
│ ├── prompts/ # MCP prompts
│ ├── lib/ # Utilities
│ │ ├── api-client.ts
│ │ └── cache.ts
│ └── types/ # Local types
│ └── coingecko.ts
├── __tests__/ # Co-located tests
│ ├── tools/
│ └── lib/
├── docs/ # Package docs
│ ├── README.md
│ └── API.md
├── examples/ # Usage examples
├── package.json
├── tsconfig.json
└── README.md # Quick start
```
### Configuration Hierarchy
```
Root:
├── tsconfig.json # Base config
├── tsconfig.test.json # Test config
├── vitest.config.ts # Shared test config
└── eslint.config.js # Shared linting
Package:
├── tsconfig.json # Extends root
└── vitest.config.ts # Extends root (if needed)
```
## 📊 Comparison Summary
### What Your Project Does WELL (Keep!)
✅ **x402/facilitator** - Exceptionally organized:
- Clear service separation
- Comprehensive documentation
- Professional structure
- Good use of tools & scripts
✅ **Monorepo with workspaces** - Industry standard
✅ **Category-based grouping** - market-data/, payments/, agents/
✅ **TypeScript + modern tooling** - vitest, eslint, prettier
### What Needs Improvement
❌ **Too much nesting** - Some packages 5+ levels deep
❌ **Inconsistent test location** - Some co-located, some separate
❌ **Scattered documentation** - READMEs everywhere, no central docs/
❌ **Duplicate directories** - src/ and packages/, test/ and tests/
❌ **No interface separation** - Mix interfaces with implementations
❌ **Missing shared utilities** - Each package reimplements common code
## 🚀 Quick Wins (Do These First)
1. **Create `packages/shared/types`** - Centralize all TypeScript types
2. **Create `docs/` directory** - Move all markdown files here
3. **Standardize tests** - Choose co-located, move all tests
4. **Remove `src/` at root** - Use only `packages/`
5. **Flatten deep packages** - Max 3 levels of nesting
6. **Add ARCHITECTURE.md** - Document your structure
## 📚 Resources from Elite Repos
### MCP Servers
- Clean per-server structure
- Excellent documentation per server
- Co-located tests
### Uniswap V3
- Minimal nesting
- Separated interfaces
- Shared test utilities
### Aave V3
- Professional layering
- Helper utilities
- Formal verification setup
- Test suites organization
---
**Bottom Line**: Your x402/facilitator shows you know how to organize well. Apply that same structure across the entire monorepo, flatten the nesting, centralize common code, and you'll have an elite-tier repository.
