Jupiter MCP Server

An MCP server for executing token swaps on the Solana blockchain using Jupiter's new Ultra API.

Features

Fetch swap orders from Jupiter's Ultra API, combining DEX routing and RFQ (Request for Quote) for optimal pricing.
Execute swaps via Jupiter's Ultra API, handling slippage, priority fees, and transaction landing.

Prerequisites

Node.js: Version 18 or higher (for native fetch support).
Solana Wallet: A private key (base58-encoded) for signing transactions.
RPC Endpoint: Access to a Solana RPC node (e.g., https://api.mainnet-beta.solana.com).

Installation

Clone the Repository:

git clone https://github.com/kukapay/jupiter-mcp.git
cd jupiter-mcp

Install Dependencies: Ensure you have the MCP Server package installed along with other required dependencies:
```
npm install
```
Client Configuration:

{
  "mcpServers": {
    "Jupiter-MCP": {
      "command": "node",
      "args": ["path/to/jupiter-mcp/server/index.js"],
      "env": {
        "SOLANA_RPC_URL": "solana rpc url you can access",
        "PRIVATE_KEY": "your private key"
      }
    }
  }
}

Tools

Ultra API Tools

get-ultra-order:
- Description: Fetches a swap order from Jupiter's Ultra API, leveraging both DEX routing and RFQ for optimal pricing.
- Inputs:
  - inputMint: Input token mint address (e.g., SOL or token pubkey).
  - outputMint: Output token mint address (e.g., USDC or token pubkey).
  - amount: Input amount as a string (e.g., "1.23").
  - slippageBps: Slippage tolerance in basis points (e.g., 50 for 0.5%).
- Output: JSON with requestId, transaction (base64-encoded), inputMint, outputMint, inAmount, outAmount, price.
execute-ultra-order:
- Description: Requests Jupiter to execute the swap transaction on behalf of the wallet owner, handling slippage, priority fees, and transaction landing.
- Inputs:
  - requestId: Unique identifier from get-ultra-order.
  - transaction: Base64-encoded transaction from get-ultra-order.
- Output: JSON with status, transactionId, slot, inputAmountResult, outputAmountResult, swapEvents.

Example Interaction

Below are examples of interacting with the server using natural language prompts and expected responses:

Fetching a Swap Order

Prompt: "Get a swap order to trade 1.23 SOL for USDC."
Input:
- Tool: get-ultra-order
- Arguments:
  - inputMint: "So11111111111111111111111111111111111111112" (SOL)
  - outputMint: "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v" (USDC)
  - amount: "1.23"
  - slippageBps: 50

Response:

{
  "requestId": "a770110b-82c9-46c8-ba61-09d955b27503",
  "transaction": "AQAAAA...base64-encoded-transaction...==",
  "inputMint": "So11111111111111111111111111111111111111112",
  "outputMint": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
  "inAmount": "1230000000",
  "outAmount": "19950000",
  "price": 0.01621951219512195
}

Executing a Swap

Prompt: "Execute the swap order with request ID 'a770110b-82c9-46c8-ba61-09d955b27503' using the transaction provided."
Input:
- Tool: execute-ultra-order
- Arguments:
  - requestId: "a770110b-82c9-46c8-ba61-09d955b27503"
  - transaction: "AQAAAA...base64-encoded-transaction...=="

Response:

{
  "status": "Success",
  "transactionId": "5x...solana-transaction-signature...",
  "slot": 299283763,
  "inputAmountResult": "1230000000",
  "outputAmountResult": "19950000",
  "swapEvents": [
    {
      "type": "swap",
      "inputMint": "So11111111111111111111111111111111111111112",
      "outputMint": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
      "inAmount": "1230000000",
      "outAmount": "19950000"
    }
  ]
}

License

This project is licensed under the MIT License. See the LICENSE file for details.

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