Polygon MCP Server

A Model Context Protocol (MCP) server that provides onchain tools for Claude AI, allowing it to interact with the Polygon PoS blockchain.

Features

• Call contract functions on Polygon PoS

• Get ERC20 token balances

• Transfer ERC20 tokens

• Get current gas prices

Related MCP server: Solana Agent Kit MCP Server

Installation

1. Clone this repository:

2. Install dependencies:

3. Build the project:

Configuration

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

Usage

Running the server

Using with Claude

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

For VSCode Claude extension:

For Claude desktop app:

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 to pass to the function

• abi: The ABI of the contract

• value (optional): The value of MATIC to send with the transaction

erc20_balance

Get the balance of an ERC20 token on Polygon PoS.

Parameters:

• contractAddress: The address of the contract to get the balance of

erc20_transfer

Transfer an ERC20 token on Polygon PoS.

Parameters:

• contractAddress: The address of the contract to transfer the token from

• toAddress: The address of the recipient

• amount: The amount of tokens to transfer

get_gas_price

Get the current gas price on Polygon PoS.

License

MIT