{"servers":[{"server":{"$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"}]}]},"_meta":{"io.modelcontextprotocol.registry/official":{"status":"active","statusChangedAt":"2026-08-12T09:05:41.425056Z","publishedAt":"2026-08-12T09:05:41.425056Z","updatedAt":"2026-08-12T09:05:41.425056Z","isLatest":true}}}],"metadata":{"count":1}}