Starknet MCP Server

🚀 starknet-mcp Service

A MCP server for StarkNet. It provides the following StarkNet RPC methods via MCP:

starknet_getBlockWithTxHashes
starknet_getBlockWithTxs
starknet_getBlockWithReceipts
starknet_getStateUpdate
starknet_getStorageAt
starknet_getTransactionStatus
starknet_getTransactionByHash
starknet_getTransactionByBlockIdAndIndex
starknet_getTransactionReceipt
starknet_getClass
starknet_getClassHashAt
starknet_getClassAt
starknet_getBlockTransactionCount
starknet_call
starknet_getEvents
starknet_getNonce
starknet_blockNumber
starknet_blockHashAndNumber
starknet_chainId
starknet_syncing
starknet_specVersion

Write methods are not yet supported.

🚀 Quick Start

📦 Installation

1. Install Bun.
2. Clone this repository.
3. Install dependencies using bun install.
4. Update the MCP configuration for Claude - refer to the instructions for OS - specific configuration. You need to add the following to the claude_desktop_config.json file:

{
  "mcpServers": {
    "starknet": {
      "command": "bun",
      "args": ["/PATH/TO/THIS/REPO/starknet-mcp/index.ts"],
      "env": {
        "STARKNET_RPC_URL": "https://starknet-mainnet.public.blastapi.io/rpc/v0_7"
      }
    }
  }
}

💻 Usage Examples

Basic Usage

After correctly configuring Claude Desktop, it will be able to access all available methods. You can start asking Claude questions about the chain state, such as "What is the latest Starknet block hash and number?". If Claude determines that an MCP method must be used to answer your question, it will ask for your permission:

You will see the method, input, and output used in the chat.

📚 Documentation

Artifacts

The methods starknet_estimateFee and starknet_estimateMessageFee are not yet supported.

Claude does not fully follow the input pattern of the tool. It prefers to send strings rather than anything else. Some cases have been blocked in the code, but if you encounter any errors, please open an issue.