Halowerk-mcp Server

Halowerk-mcp is an MCP integration. 134 paid APIs as MCP tools, billed per call in USDC on Base. No account, no login.

Packages and local setup

The published npm package is halowerk-mcp, version 0.1.1. Its declared MCP transport is stdio.

The package declares HALOWERK_PRIVATE_KEY: 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..

Before connecting

Check the maintainer’s instructions for account access, authentication and the supported client configuration. Once connected, inspect the tools your client receives and try a small task that matches the server’s stated purpose. The registry description does not include a verified, complete tool list.

Project and source

View the publisher’s registry entry · Project repository. This profile uses version 0.1.1 from the registry. Registration identifies the publisher namespace; it does not establish that this is a first-party integration for every service it connects.

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