// Get DEX swap quotes, price routes, and trade execution data across multiple chains. Use when asked about swapping tokens, best swap price, DEX aggregator quotes, token swap routes, trading on Uniswap/Jupiter/ParaSwap/1inch, slippage, or comparing swap rates across DEXes.
| name | defi-swap |
| description | Get DEX swap quotes, price routes, and trade execution data across multiple chains. Use when asked about swapping tokens, best swap price, DEX aggregator quotes, token swap routes, trading on Uniswap/Jupiter/ParaSwap/1inch, slippage, or comparing swap rates across DEXes. |
DEX swap quotes and routing across EVM chains and Solana using free aggregator APIs.
Base: https://api.paraswap.io
Get swap quote (prices only, no tx data):
web_fetch url="https://api.paraswap.io/prices?srcToken=0xEeeeeEeeeEeEeeEeEeEeeEEEeeeeEeeeeeeeEEeE&destToken=0xA0b86991c6218b36c1d19D4a2e9Eb0cE3606eB48&amount=1000000000000000000&srcDecimals=18&destDecimals=6&side=SELL&network=1"
Get transaction data (for execution):
exec command="curl -s -X POST 'https://api.paraswap.io/transactions/1' -H 'Content-Type: application/json' -d '{\"srcToken\":\"0xEeeeeEeeeEeEeeEeEeEeeEEEeeeeEeeeeeeeEEeE\",\"destToken\":\"0xA0b86991c6218b36c1d19D4a2e9Eb0cE3606eB48\",\"srcAmount\":\"1000000000000000000\",\"slippage\":100,\"userAddress\":\"0xUSER\",\"priceRoute\":PRICE_ROUTE_FROM_ABOVE}'"
Supported chains (network IDs):
| Chain | ID | Chain | ID |
|---|---|---|---|
| Ethereum | 1 | Arbitrum | 42161 |
| Optimism | 10 | Base | 8453 |
| Polygon | 137 | BSC | 56 |
| Avalanche | 43114 | Fantom | 250 |
Native token address (all EVM): 0xEeeeeEeeeEeEeeEeEeEeeEEEeeeeEeeeeeeeEEeE
Base: https://quote-api.jup.ag/v6
Get swap quote:
web_fetch url="https://quote-api.jup.ag/v6/quote?inputMint=So11111111111111111111111111111111111111112&outputMint=EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v&amount=1000000000&slippageBps=50"
Get swap transaction (for execution):
exec command="curl -s -X POST 'https://quote-api.jup.ag/v6/swap' -H 'Content-Type: application/json' -d '{\"quoteResponse\":QUOTE_FROM_ABOVE,\"userPublicKey\":\"USER_PUBKEY\",\"wrapAndUnwrapSol\":true}'"
Token list (for mint address lookup):
web_fetch url="https://token.jup.ag/strict"
Base: https://trade-api.gateway.uniswap.org/v1
Requires header
x-api-key: YOUR_API_KEY— get one at https://developers.uniswap.org/dashboard/
Check token approval:
exec command="curl -s -X POST 'https://trade-api.gateway.uniswap.org/v1/check_approval' -H 'Content-Type: application/json' -H 'x-api-key: YOUR_API_KEY' -d '{\"walletAddress\":\"0xUSER\",\"token\":\"0xA0b86991c6218b36c1d19D4a2e9Eb0cE3606eB48\",\"amount\":\"1000000000\",\"chainId\":1}'"
Get swap quote:
exec command="curl -s -X POST 'https://trade-api.gateway.uniswap.org/v1/quote' -H 'Content-Type: application/json' -H 'x-api-key: YOUR_API_KEY' -d '{\"type\":\"EXACT_INPUT\",\"amount\":\"1000000000000000000\",\"tokenIn\":\"0xEeeeeEeeeEeEeeEeEeEeeEEEeeeeEeeeeeeeEEeE\",\"tokenOut\":\"0xA0b86991c6218b36c1d19D4a2e9Eb0cE3606eB48\",\"tokenInChainId\":1,\"tokenOutChainId\":1,\"swapper\":\"0xUSER\",\"slippageTolerance\":0.5}'"
Execute swap (gasful, on-chain):
exec command="curl -s -X POST 'https://trade-api.gateway.uniswap.org/v1/swap' -H 'Content-Type: application/json' -H 'x-api-key: YOUR_API_KEY' -d '{\"quote\":QUOTE_FROM_ABOVE,\"signature\":\"0xSIGNED_PERMIT2\",\"permitData\":PERMIT_DATA_FROM_QUOTE}'"
Execute swap (gasless, UniswapX):
exec command="curl -s -X POST 'https://trade-api.gateway.uniswap.org/v1/order' -H 'Content-Type: application/json' -H 'x-api-key: YOUR_API_KEY' -d '{\"quote\":QUOTE_FROM_ABOVE,\"signature\":\"0xSIGNED_ORDER\"}'"
Check swap status:
web_fetch url="https://trade-api.gateway.uniswap.org/v1/swaps?txHash=0xTX_HASH" headers="x-api-key: YOUR_API_KEY"
Supported chains (17+ mainnets):
| Chain | ID | Chain | ID |
|---|---|---|---|
| Ethereum | 1 | Arbitrum | 42161 |
| Optimism | 10 | Base | 8453 |
| Polygon | 137 | BSC | 56 |
| Avalanche | 43114 | zkSync | 324 |
| Blast | 81457 | Zora | 7777777 |
| Unichain | 130 | Celo | 42220 |
| Linea | 59144 | World Chain | 480 |
UniswapX gasless swaps available on: Ethereum (1), Arbitrum (42161), Base (8453), Unichain (130).
Native token address: 0x0000000000000000000000000000000000000000
Base: https://api.1inch.dev/swap/v6.0/{chainId}
Get quote:
web_fetch url="https://api.1inch.dev/swap/v6.0/1/quote?src=0xEeeeeEeeeEeEeeEeEeEeeEEEeeeeEeeeeeeeEEeE&dst=0xA0b86991c6218b36c1d19D4a2e9Eb0cE3606eB48&amount=1000000000000000000"
Requires header
Authorization: Bearer YOUR_API_KEY
Get quote:
web_fetch url="https://api.0x.org/swap/v1/quote?buyToken=USDC&sellToken=ETH&sellAmount=1000000000000000000"
Requires header
0x-api-key: YOUR_KEY
See references/evm-tokens.md and references/solana-tokens.md for full lists.
| Token | Address |
|---|---|
| WETH | 0xC02aaA39b223FE8D0A0e5C4F27eAD9083C756Cc2 |
| USDC | 0xA0b86991c6218b36c1d19D4a2e9Eb0cE3606eB48 |
| USDT | 0xdAC17F958D2ee523a2206206994597C13D831ec7 |
| DAI | 0x6B175474E89094C44Da98b954EedeAC495271d0F |
| WBTC | 0x2260FAC5E5542a773Aa44fBCfeDf7C193bc2C599 |
| Token | Mint |
|---|---|
| SOL (wrapped) | So11111111111111111111111111111111111111112 |
| USDC | EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v |
| USDT | Es9vMFrzaCERmJfrF4H2FYD4KCoNkY11McCe8BenwNYB |
npx @mcpdotdirect/evm-mcp-server — swap execution across 60+ EVM chainsgithub.com/sendaifun/solana-mcp — Solana swap execution via Jupiterslippage in ParaSwap is basis points (100 = 1%). Jupiter uses slippageBps.0xEeee... is the same across all EVM chains in ParaSwapGet centralized exchange market data, order books, trading pairs, ticker prices, and 24h volume across Binance, Coinbase, Kraken, Bybit, Gate.io, and Bitget. Use when asked about CEX prices, exchange order book, trading pairs, CEX volume, Binance price, Kraken ticker, exchange comparison, or funding rates on centralized exchanges.
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