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Jupiter MCP Server

Jupiter MCP Server

Solana token swap execution via Jupiter's Ultra API using MCP.

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Jupiter MCP Server enables the execution of token swaps on the Solana blockchain through Jupiter’s Ultra API, integrating DEX routing and RFQ for optimal pricing. It fetches swap orders and executes transactions, handling slippage, priority fees, and transaction confirmations. The system is designed to operate within the Model Context Protocol, exposing tool interfaces for structured input and output. Node.js 18+ and access to a Solana wallet and RPC node are required.

Key Features

Fetches swap orders with optimal price routing

Executes swaps via Jupiter’s Ultra API

Handles slippage and priority fee management

Supports Solana wallet private key integration

Works with customizable Solana RPC endpoints

Exposes tools with standardized inputs/outputs

Compatible with Model Context Protocol setups

JSON-based tool interface

Comprehensive swap event reporting

Installation via simple npm setup

Use Cases

Automated Solana token swap execution for trading bots

Integration with agent platforms for on-chain swaps

Implementing optimal DEX routing strategies for DeFi applications

Providing secure and streamlined wallet-based swap services

RFQ-enabled price comparison for token trades

Programmatic access to Jupiter Ultra API for advanced traders

Building managed liquidity routing agents

Developing model-driven or conversational swap assistants

Enabling natural language interfaces for crypto transactions

Contextual orchestration in decentralized finance operations

README

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:

bash

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:
bash
```
npm install
```
Client Configuration:

json

{
  "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.

Star History

Repository Owner

kukapay

User

Repository Details

Language JavaScript

Default Branch main

Size 27 KB

Contributors 1

License MIT License

MCP Verified Nov 12, 2025

Programming Languages

JavaScript

100%

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Jupiter MCP Server

Key Features

Use Cases

README

Jupiter MCP Server

Features

Prerequisites

Installation

Tools

Ultra API Tools

Example Interaction

Fetching a Swap Order

Executing a Swap

License

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Repository Owner

Repository Details

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