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Blockchain MCP Server

@joaquim-verges

Repository

Basic information

Category

Other

Transports

stdio

Author

joaquim-verges

About Blockchain MCP Server

MCP server to perform blockchain operations using thirdweb

#blockchain#mcp#thirdweb

Blockchain MCP Server config

Add this server to your MCP-compatible client using the configuration below.

{
  "mcpServers": {
    "blockchain": {
      "command": "bun",
      "args": [
        "/<path-to-project>/blockchain-mcp/index.ts"
      ],
      "env": {
        "TW_SECRET_KEY": ""
      }
    }
  }
}

Blockchain MCP Server tools

Tool list not available yet

This listing does not currently have a tool list to display. This does not mean the server has no tools; check its documentation for supported capabilities.

We auto-extract tools from the README. The maintainer can list them under a ## Tools heading to populate this section.

Overview

What is blockchain-mcp?

blockchain-mcp is a lightweight MCP server that leverages thirdweb to equip LLMs with blockchain capabilities. It enables deploying, minting, and transferring tokens, as well as reading balances and supply. It comes pre-configured with a server wallet and gas sponsorship, operating on Base Sepolia by default.

How to use blockchain-mcp?

Install dependencies with bun install, create a .env file with your thirdweb secret key (TW_SECRET_KEY), and update the path in index.ts. Then add the server to your claude_desktop_config.json with the command bun /<path-to-project>/blockchain-mcp/index.ts. After starting Claude Desktop, the tools become available for blockchain queries.

Key features of blockchain-mcp

  • Deploy tokens via thirdweb infrastructure
  • Mint new tokens on demand
  • Transfer tokens between addresses
  • Read token balances and total supply
  • Built-in gas sponsorship for transactions
  • Operates on Base Sepolia testnet

Use cases of blockchain-mcp

  • Enable an LLM to deploy an ERC-20 token automatically
  • Automate token distribution for airdrops or rewards
  • Query on-chain balances without manual blockchain explorers

Frequently asked questions

1

What dependencies does blockchain-mcp require?

It requires `bun` as the runtime and a thirdweb secret key. The server uses the thirdweb SDK to interact with the blockchain.

2

What blockchain network does it support?

Out of the box it is configured for Base Sepolia, but the underlying thirdweb setup can be adjusted to other networks.

3

How is authentication handled?

Authentication uses a thirdweb secret key stored in a `.env` file under the variable `TW_SECRET_KEY`.

4

What data does blockchain-mcp access?

It reads token balances and supply from the blockchain via thirdweb, and writes transactions (deploy, mint, transfer) on-chain.

5

Are there any known limitations?

The README does not mention performance limits, but the server relies on thirdweb's infrastructure and only exposes the specific tools listed.

Comments

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