# @universal-crypto-mcp/defi-bnb-chain
BNB Chain DeFi integrations for Model Context Protocol (MCP).
## Overview
This package provides tools for interacting with DeFi protocols on BNB Chain (formerly BSC), including PancakeSwap for swaps and Venus for lending.
## Features
- **PancakeSwap Integration**: Token swaps on the leading BNB Chain DEX
- **Venus Protocol**: Lending and borrowing operations
- **Pool Information**: Query liquidity pools and APYs
- **Price Feeds**: Token price queries
## Installation
```bash
pnpm add @universal-crypto-mcp/defi-bnb-chain
```
## Usage
### PancakeSwap Swaps
```typescript
import { PancakeSwapClient } from "@universal-crypto-mcp/defi-bnb-chain";
const client = new PancakeSwapClient({
privateKey: "0x...",
});
// Get quote
const quote = await client.getQuote({
tokenIn: "0x...", // WBNB
tokenOut: "0x...", // USDT
amountIn: "1.0",
});
// Execute swap
const txHash = await client.executeSwap({
tokenIn: "0x...",
tokenOut: "0x...",
amountIn: "1.0",
slippage: 0.5,
});
```
### Venus Lending
```typescript
import { VenusClient } from "@universal-crypto-mcp/defi-bnb-chain";
const client = new VenusClient();
// Get supply APY
const apy = await client.getSupplyAPY("0x..."); // vBNB address
// Get user position
const position = await client.getPosition("0x...");
```
## Supported Protocols
| Protocol | Type | Features |
|----------|------|----------|
| PancakeSwap | DEX | Swaps, Liquidity |
| Venus | Lending | Supply, Borrow |
## Contract Addresses
| Contract | Address |
|----------|---------|
| PancakeSwap Router | `0x13f4EA83D0bd40E75C8222255bc855a974568Dd4` |
| Venus Comptroller | `0xfD36E2c2a6789Db23113685031d7F16329158384` |
| vBNB | `0xA07c5b74C9B40447a954e1466938b865b6BBea36` |
## License
Apache-2.0
