# OKX-DEX-SDK MCP SSE SERVER EXAMPLE
> This is an example implementation of an SSE (Server-Sent Events) MCP server that leverages [@okx-dex/okx-dex-sdk](https://www.npmjs.com/package/@okx-dex/okx-dex-sdk) to support DEX trading and cross-chain bridge operations.
## š Features
### DEX API
Built for the Solana blockchain, the DEX API supports:
- **Executing swap trades**
- **Generating swap instructions**
- **Fetching price quotes**
- **Retrieving supported tokens and liquidity pool (LP) data**
### Bridge API
Enables cross-chain functionality, including:
- **Fetching supported bridgeable tokens and chains**
- **Performing cross-chain bridge transactions**
- **Retrieving cross-chain price quotes**
## š¦ Installation
```bash
git clone https://github.com/0xobedient/okx-mcp
cd okx-mcp
pnpm install
pnpm run dev
```
## š Project Structure
```plaintext
.
āāā build/ # Compiled output
āāā node_modules/ # Node.js dependencies
āāā src/
ā āāā bridge/
ā ā āāā hooks/ # Bridge-specific hooks
ā ā āāā tools/ # Utility functions for bridge
ā ā āāā server.ts # SSE server for bridge API
ā āāā dex/
ā ā āāā hooks/ # DEX-specific hooks
ā ā āāā tools/ # Utility functions for DEX
ā ā āāā server.ts # SSE server for DEX API
ā āāā shared/
ā āāā common/
ā ā āāā okxClient.ts # OKX SDK client wrapper
ā ā āāā wallet.ts # Wallet handling logic
ā āāā constants/
ā ā āāā index.ts # Constant values used across the app
ā āāā env/
ā ā āāā index.ts # Environment variable loader
ā āāā types/
ā ā āāā tool.d.ts # Type definitions for tools
ā ā āāā wallet.d.ts # Type definitions for wallet
ā āāā main.ts # Application entry point
āāā .env.example # Sample environment file
āāā .gitignore # Git ignore rules
āāā package.json # NPM package metadata
āāā pnpm-lock.yaml # Lockfile for pnpm
āāā tsconfig.json # TypeScript configuration
```
## š Environment Variables
Create a `.env` file at the root of the project using `.env.example` as a template:
```env
OKX_API_KEY= # Your OKX API key
OKX_API_SECRET= # Your OKX API secret
OKX_PASSPHRASE= # Your OKX API passphrase
OKX_PROJECT_ID= # Your OKX project ID (if required)
RPC_ENDPOINT_URI= # RPC endpoint URI for Solana or target blockchain
WALLET_PRIVATE_KEY= # Private key for the wallet used in trades
PORT=3000 # Port number for the SSE server
```
## š¦ Dependency
This MCP server is entirely built upon the official OKX SDK:
**[@okx-dex/okx-dex-sdk](https://www.npmjs.com/package/@okx-dex/okx-dex-sdk)** ā the core SDK providing access to OKX DEX trading and bridge functionalities.
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