Block402

Official

by block402

Bitcoin + Ethereum RPC for AI agents. 44 tools. x402 required; Base Sepolia test USDC.

xyz.block402/block402 Model Context Protocol (MCP) Server

This MCP server provides Bitcoin and Ethereum RPC access for AI agents. The repository is organized under xyz.block402/block402, offering 44 tools. To use it, an x402 requirement is stated, and it supports Base Sepolia testing using USDC.

🛠️ Key Features

Bitcoin + Ethereum RPC integration
44 available tools
Requires x402
Base Sepolia test usage with USDC

🚀 Use Cases

Connecting AI agents to Bitcoin and Ethereum RPC endpoints
Performing actions or queries in a controlled Base Sepolia test environment using USDC

⚡ Developer Benefits

Broad RPC coverage via 44 tools
Clear runtime requirement (x402) and network/test context (Base Sepolia with USDC)

⚠️ Limitations

x402 is required
Specifically described for Base Sepolia testing with USDC

Install

Remote endpoint

Streamable HTTP

Hosted server - connect over the network, no local install.

url

https://api.block402.xyz/mcp

Add to VS Code Add to Cursor

claude_desktop_config.json

json

{
  "mcpServers": {
    "block402": {
      "command": "npx",
      "args": [
        "-y",
        "mcp-remote",
        "https://api.block402.xyz/mcp"
      ]
    }
  }
}

Desktop config is stdio-only; this bridges via mcp-remote. Native remote: Settings > Connectors.