x402 Preflight for VS Code

io.github.chico10117/x402-preflight

Inspect and validate an x402 endpoint before an autonomous agent spends USDC.

client:VS Code transport:streamable-http tools:3

Install x402 Preflight in VS Code

.vscode/mcp.json

{
  "servers": {
    "x402-preflight": {
      "type": "http",
      "url": "https://x402.chikocorp.com/mcp"
    }
  }
}

Requires agent mode. MCP: Open User Configuration puts the same block in every workspace. VS Code docs