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PipRail for VS Code

io.github.piprail/mcp

Budget-bound x402 payment wallet for AI agents — pays HTTP 402 URLs, capped locally. No backend.

client:VS Code transport:stdio runtime:npm

Install PipRail in VS Code

.vscode/mcp.json

{
  "inputs": [
    {
      "type": "promptString",
      "id": "piprail-private-key",
      "description": "PIPRAIL_PRIVATE_KEY",
      "password": true
    },
    {
      "type": "promptString",
      "id": "piprail-chain",
      "description": "PIPRAIL_CHAIN",
      "password": true
    },
    {
      "type": "promptString",
      "id": "piprail-chains",
      "description": "PIPRAIL_CHAINS",
      "password": true
    },
    {
      "type": "promptString",
      "id": "piprail-max-amount",
      "description": "PIPRAIL_MAX_AMOUNT",
      "password": true
    },
    {
      "type": "promptString",
      "id": "piprail-max-total",
      "description": "PIPRAIL_MAX_TOTAL",
      "password": true
    },
    {
      "type": "promptString",
      "id": "piprail-max-total-denom",
      "description": "PIPRAIL_MAX_TOTAL_DENOM",
      "password": true
    },
    {
      "type": "promptString",
      "id": "piprail-max-payments",
      "description": "PIPRAIL_MAX_PAYMENTS",
      "password": true
    },
    {
      "type": "promptString",
      "id": "piprail-max-payments-per-window",
      "description": "PIPRAIL_MAX_PAYMENTS_PER_WINDOW",
      "password": true
    },
    {
      "type": "promptString",
      "id": "piprail-warn-at-fraction",
      "description": "PIPRAIL_WARN_AT_FRACTION",
      "password": true
    },
    {
      "type": "promptString",
      "id": "piprail-spend-log",
      "description": "PIPRAIL_SPEND_LOG",
      "password": true
    },
    {
      "type": "promptString",
      "id": "piprail-event-log",
      "description": "PIPRAIL_EVENT_LOG",
      "password": true
    },
    {
      "type": "promptString",
      "id": "piprail-tokens",
      "description": "PIPRAIL_TOKENS",
      "password": true
    },
    {
      "type": "promptString",
      "id": "piprail-schemes",
      "description": "PIPRAIL_SCHEMES",
      "password": true
    }
  ],
  "servers": {
    "mcp": {
      "type": "stdio",
      "command": "npx",
      "args": [
        "-y",
        "@piprail/mcp"
      ],
      "env": {
        "PIPRAIL_PRIVATE_KEY": "${input:piprail-private-key}",
        "PIPRAIL_CHAIN": "${input:piprail-chain}",
        "PIPRAIL_CHAINS": "${input:piprail-chains}",
        "PIPRAIL_MAX_AMOUNT": "${input:piprail-max-amount}",
        "PIPRAIL_MAX_TOTAL": "${input:piprail-max-total}",
        "PIPRAIL_MAX_TOTAL_DENOM": "${input:piprail-max-total-denom}",
        "PIPRAIL_MAX_PAYMENTS": "${input:piprail-max-payments}",
        "PIPRAIL_MAX_PAYMENTS_PER_WINDOW": "${input:piprail-max-payments-per-window}",
        "PIPRAIL_WARN_AT_FRACTION": "${input:piprail-warn-at-fraction}",
        "PIPRAIL_SPEND_LOG": "${input:piprail-spend-log}",
        "PIPRAIL_EVENT_LOG": "${input:piprail-event-log}",
        "PIPRAIL_TOKENS": "${input:piprail-tokens}",
        "PIPRAIL_SCHEMES": "${input:piprail-schemes}"
      }
    }
  }
}

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

PipRail in other clients