x402 Research for VS Code

io.github.kevinm222/x402-research-mcp

Pay-per-call x402 crypto research and Base address/approval risk checks. Testnet by default.

client:VS Code transport:stdio runtime:npm

Install x402 Research in VS Code

.vscode/mcp.json

{
  "inputs": [
    {
      "type": "promptString",
      "id": "x402-network",
      "description": "X402_NETWORK",
      "password": true
    },
    {
      "type": "promptString",
      "id": "x402-buyer-private-key",
      "description": "X402_BUYER_PRIVATE_KEY",
      "password": true
    }
  ],
  "servers": {
    "x402-research-mcp": {
      "type": "stdio",
      "command": "npx",
      "args": [
        "-y",
        "@agentfirm402/x402-research-mcp"
      ],
      "env": {
        "X402_NETWORK": "${input:x402-network}",
        "X402_BUYER_PRIVATE_KEY": "${input:x402-buyer-private-key}"
      }
    }
  }
}

VS Code prompts for each input the first time the server starts, so no secret is written to the file. VS Code docs

x402 Research in other clients

x402 Research MCP server