Polygon Blockchain

🚀 Polygon MCP Server

A Model Context Protocol (MCP) server that provides on - chain tools for the Polygon PoS blockchain to Claude AI.

🚀 Quick Start

This MCP server offers on - chain tools for the Polygon PoS blockchain to Claude AI. Below are the steps to get started.

✨ Features

• Call contract functions on Polygon PoS.
• Get the balance of ERC20 tokens.
• Transfer ERC20 tokens.
• Get the current _gas price.

📦 Installation

1. Clone this repository:

git clone https://github.com/your-username/polygon-mcp.git
cd polygon-mcp

2. Install dependencies:

npm install

3. Build the project:

npm run build

📚 Documentation

Configuration

Create a .env file in the root directory and add the following variables:

SEED_PHRASE="Your 12 - word seed phrase"

Usage

Run the Server

npm start

Use with Claude

To use this MCP server with Claude, you need to add it to your MCP configuration file:

For the VSCode Claude extension:

{
  "mcpServers": {
    "polygon": {
      "command": "node",
      "args": ["/path/to/polygon-mcp/build/index.js"],
      "env": {
        "SEED_PHRASE": "Your 12 - word seed phrase"
      },
      "disabled": false,
      "autoApprove": []
    }
  }
}

For the Claude desktop application:

{
  "mcpServers": {
    "polygon": {
      "command": "node",
      "args": ["/path/to/polygon-mcp/build/index.js"],
      "env": {
        "SEED_PHRASE": "Your 12 - word seed phrase"
      },
      "disabled": false,
      "autoApprove": []
    }
  }
}

Available Tools

call_contract

Call a contract function on Polygon PoS.

Parameters:

• contractAddress: The address of the contract to call.
• functionName: The name of the function to call.
• functionArgs: The arguments passed to the function.
• abi: The ABI of the contract.
• value (optional): The MATIC value sent with the transaction.

erc20_balance

Get the balance of an ERC20 token on Polygon PoS.

Parameters:

• contractAddress: The address of the contract for which to get the balance.

erc20_transfer

Transfer ERC20 tokens on Polygon PoS.

Parameters:

• contractAddress: The address of the source contract from which to transfer tokens.
• toAddress: The recipient's address.
• amount: The number of tokens to transfer.

get_gas_price

Get the current _gas price on Polygon PoS.