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mcp/harbor
VS Code

PayStage for VS Code

xyz.paystage/mcp

Umbrella MCP: payment preflight, auth watch, HIP-3 trade preflight, velocity checks

client:VS Code transport:stdio runtime:npm

Install PayStage in VS Code

.vscode/mcp.json 

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

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

PayStage in other clients

PayStage MCP server