MCPLow riskUnclaimed

halowerk-mcp

134 paid APIs as MCP tools, billed per call in USDC on Base. No account, no login.

halowerkhalowerk/halowerk-mcpUpdated Aug 12, 2026

server.json

{
  "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
  "name": "io.github.halowerk/halowerk-mcp",
  "description": "134 paid APIs as MCP tools, billed per call in USDC on Base. No account, no login.",
  "repository": {
    "url": "https://github.com/halowerk/halowerk-mcp",
    "source": "github"
  },
  "version": "0.1.1",
  "packages": [
    {
      "registryType": "npm",
      "identifier": "halowerk-mcp",
      "version": "0.1.1",
      "transport": {
        "type": "stdio"
      },
      "environmentVariables": [
        {
          "description": "Private key of the paying wallet, hex with or without 0x. Use a throwaway wallet holding only a few dollars of USDC on Base. Without it, only the free catalogue and price tools work.",
          "isSecret": true,
          "name": "HALOWERK_PRIVATE_KEY"
        },
        {
          "description": "Ceiling per call in USDC. A more expensive service is refused, not bought. Default 0.05.",
          "default": "0.05",
          "name": "HALOWERK_MAX_PREIS_USDC"
        },
        {
          "description": "Ceiling per session in USDC. Once reached the server refuses further paid calls. Default 1.00.",
          "default": "1.00",
          "name": "HALOWERK_BUDGET_USDC"
        },
        {
          "description": "hero (12 curated services, default), gateway (3 meta-tools, smallest context) or all (70 services).",
          "default": "hero",
          "name": "HALOWERK_MODUS"
        },
        {
          "description": "Set to 1 for a dry run: returns price and call plan, pays nothing.",
          "name": "HALOWERK_TROCKEN"
        }
      ]
    }
  ]
}

Permissions

DeclaredDetected
Runs code—node
Installs—npm:halowerk-mcp@0.1.1
Runs install scripts—None
NetworkNoneNone
Needs credentialsHALOWERK_PRIVATE_KEYHALOWERK_PRIVATE_KEY
Outside the workspace—None
Agent tools—None

Checks

Low risk · Nothing worth a warning was found.

Not reviewed by a person · Checked by rules; the model review is not switched on yet.

Versions

  1. #10.1.1latestOct 7, 2026