Skip to content
mcp/harbor
VS Code

PayStage Preflight for VS Code

io.github.base-buzz/preflight

Evaluate x402 PaymentRequired against a local spending policy before an agent pays

client:VS Code transport:stdio runtime:npm

Install PayStage Preflight in VS Code

.vscode/mcp.json 

{
  "inputs": [
    {
      "type": "promptString",
      "id": "paystage-policy-path",
      "description": "PAYSTAGE_POLICY_PATH",
      "password": true
    }
  ],
  "servers": {
    "preflight": {
      "type": "stdio",
      "command": "npx",
      "args": [
        "-y",
        "@paystage/preflight"
      ],
      "env": {
        "PAYSTAGE_POLICY_PATH": "${input:paystage-policy-path}"
      }
    }
  }
}

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

PayStage Preflight in other clients

PayStage Preflight MCP server