io.github.halowerk/halowerk-mcp MCP Server

Name: io.github.halowerk/halowerk-mcp MCP Server
Author: io.github.halowerk

io.github.halowerk/halowerk-mcp

Repository Registry

What is the io.github.halowerk/halowerk-mcp MCP server?

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

How to install io.github.halowerk/halowerk-mcp

Copy-paste configuration for popular MCP clients.

transport: stdio

Config generated by PluginBench — verify against the source before use.

Environment / auth

HALOWERK_PRIVATE_KEY
secret
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.
HALOWERK_MAX_PREIS_USDC
Ceiling per call in USDC. A more expensive service is refused, not bought. Default 0.05.
HALOWERK_BUDGET_USDC
Ceiling per session in USDC. Once reached the server refuses further paid calls. Default 1.00.
HALOWERK_MODUS
hero (12 curated services, default), gateway (3 meta-tools, smallest context) or all (70 services).
HALOWERK_TROCKEN
Set to 1 for a dry run: returns price and call plan, pays nothing.

Claude Desktop

~/Library/Application Support/Claude/claude_desktop_config.json

{
  "mcpServers": {
    "halowerk-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "halowerk-mcp"
      ],
      "env": {
        "HALOWERK_PRIVATE_KEY": "<YOUR_HALOWERK_PRIVATE_KEY>",
        "HALOWERK_MAX_PREIS_USDC": "<YOUR_HALOWERK_MAX_PREIS_USDC>",
        "HALOWERK_BUDGET_USDC": "<YOUR_HALOWERK_BUDGET_USDC>",
        "HALOWERK_MODUS": "<YOUR_HALOWERK_MODUS>",
        "HALOWERK_TROCKEN": "<YOUR_HALOWERK_TROCKEN>"
      }
    }
  }
}

Cursor

~/.cursor/mcp.json

{
  "mcpServers": {
    "halowerk-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "halowerk-mcp"
      ],
      "env": {
        "HALOWERK_PRIVATE_KEY": "<YOUR_HALOWERK_PRIVATE_KEY>",
        "HALOWERK_MAX_PREIS_USDC": "<YOUR_HALOWERK_MAX_PREIS_USDC>",
        "HALOWERK_BUDGET_USDC": "<YOUR_HALOWERK_BUDGET_USDC>",
        "HALOWERK_MODUS": "<YOUR_HALOWERK_MODUS>",
        "HALOWERK_TROCKEN": "<YOUR_HALOWERK_TROCKEN>"
      }
    }
  }
}

Windsurf

~/.codeium/windsurf/mcp_config.json

{
  "mcpServers": {
    "halowerk-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "halowerk-mcp"
      ],
      "env": {
        "HALOWERK_PRIVATE_KEY": "<YOUR_HALOWERK_PRIVATE_KEY>",
        "HALOWERK_MAX_PREIS_USDC": "<YOUR_HALOWERK_MAX_PREIS_USDC>",
        "HALOWERK_BUDGET_USDC": "<YOUR_HALOWERK_BUDGET_USDC>",
        "HALOWERK_MODUS": "<YOUR_HALOWERK_MODUS>",
        "HALOWERK_TROCKEN": "<YOUR_HALOWERK_TROCKEN>"
      }
    }
  }
}

VS Code

.vscode/mcp.json

{
  "servers": {
    "halowerk-mcp": {
      "type": "stdio",
      "command": "npx",
      "args": [
        "-y",
        "halowerk-mcp"
      ],
      "env": {
        "HALOWERK_PRIVATE_KEY": "<YOUR_HALOWERK_PRIVATE_KEY>",
        "HALOWERK_MAX_PREIS_USDC": "<YOUR_HALOWERK_MAX_PREIS_USDC>",
        "HALOWERK_BUDGET_USDC": "<YOUR_HALOWERK_BUDGET_USDC>",
        "HALOWERK_MODUS": "<YOUR_HALOWERK_MODUS>",
        "HALOWERK_TROCKEN": "<YOUR_HALOWERK_TROCKEN>"
      }
    }
  }
}

Claude Code

claude mcp add halowerk-mcp --env HALOWERK_PRIVATE_KEY=<YOUR_HALOWERK_PRIVATE_KEY> --env HALOWERK_MAX_PREIS_USDC=<YOUR_HALOWERK_MAX_PREIS_USDC> --env HALOWERK_BUDGET_USDC=<YOUR_HALOWERK_BUDGET_USDC> --env HALOWERK_MODUS=<YOUR_HALOWERK_MODUS> --env HALOWERK_TROCKEN=<YOUR_HALOWERK_TROCKEN> -- npx -y halowerk-mcp