Pumpfun

You can run a Pump.fun MCP Server locally to let AI assistants like Claude create, buy, and sell tokens on the Pump.fun platform. This server exposes token management and wallet interactions via a simple MCP interface, letting you automate token operations with confidence and control.

How to use

You will run the MCP server as a local process and register it with your MCP client. The server is exposed as a stdio-based local process that you start with the Node runtime and a built index file. Once running, you can call the available tools to get token information, create tokens, buy tokens, sell tokens, manage accounts, and check balances.

How to install

Prerequisites

• Node.js installed on your machine
• An accessible Solana RPC URL (for example from Helisus or similar service)
• A supported MCP client that can load stdio servers and pass environment variables

git clone https://github.com/noahgsolomon/pumpfun-mcp.git
cd pumpfun-mcp

npm install

Create a .env file with your Solana RPC URL:

HELIUS_RPC_URL=https://your-helius-rpc-url.com

Optionally, if you use an existing wallet, add your private key:

PRIVATE_KEY=your-base58-encoded-private-key

Then run the conversion script to prepare a keypair file:

node convert-key.js

This will create a default.json file in the .keys folder with your keypair.

Build the project:

npm run build

Run the MCP server:

node build/index.js

Configuring the MCP client to load pumpfun

To connect the MCP client to this server, provide a stdio-style command configuration that runs the Node script for the built index. Use your own absolute path to index.js.

{
  "mcpServers": {
    "pumpfun": {
      "command": "node",
      "args": ["/Users/you/path/to/pumpfun-mcp/build/index.js"],
      "env": {
        "HELIUS_RPC_URL": "https://your-helius-rpc-url.com"
      }
    }
  }
}

Available tools

get-token-info

Retrieve detailed information about a Pump.fun token using its mint address.

create-token

Create a new Pump.fun token with a name, symbol, description, optional image, and initial buy amount in SOL.

buy-token

Purchase a Pump.fun token by specifying the token address, amount to buy in SOL, and optional slippage tolerance.

sell-token

Sell a Pump.fun token by specifying the token address, amount to sell, and optional slippage tolerance.

list-accounts

List all local keypair accounts stored in the .keys folder.

get-account-balance

Check SOL and token balances for a specified account and optional token address.