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134 paid APIs as MCP tools, billed per call in USDC on Base. No account, no login.
io.github.halowerk/halowerk-mcp is an MCP server entry in ChatHome Skills, sourced from Official MCP Registry and scored 73/100. As a Model Context Protocol server, it exposes tools that MCP-compatible LLM clients such as Claude, Cursor, and Copilot can call directly, extending an agent's reach beyond its built-in capabilities. ChatHome Skills discovered this entry through its daily ingest of official registries and GitHub discovery queries, and re-verifies repository facts, freshness signals, and install metadata on every run. The quality score weighs official-registry presence, a working install command, license clarity, GitHub star trajectory, and repository freshness — the full formula is on the Sources page. The install command above is ready to copy. Review the last-pushed date and repository status before adding io.github.halowerk/halowerk-mcp to a production agent workflow; the snapshot facts below are point-in-time values from the most recent ingest.
npx -y halowerk-mcp@0.1.1Review the upstream source before running this command.
{
"_meta": {
"io.modelcontextprotocol.registry/official": {
"status": "active",
"isLatest": true,
"updatedAt": "2026-08-12T09:05:41.425056Z",
"publishedAt": "2026-08-12T09:05:41.425056Z",
"statusChangedAt": "2026-08-12T09:05:41.425056Z"
}
},
"server": {
"name": "io.github.halowerk/halowerk-mcp",
"$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
"version": "0.1.1",
"packages": [
{
"version": "0.1.1",
"transport": {
"type": "stdio"
},
"identifier": "halowerk-mcp",
"registryType": "npm",
"environmentVariables": [
{
"name": "HALOWERK_PRIVATE_KEY",
"isSecret": true,
"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."
},
{
"name": "HALOWERK_MAX_PREIS_USDC",
"default": "0.05",
"description": "Ceiling per call in USDC. A more expensive service is refused, not bought. Default 0.05."
},
{
"name": "HALOWERK_BUDGET_USDC",
"default": "1.00",
"description": "Ceiling per session in USDC. Once reached the server refuses further paid calls. Default 1.00."
},
{
"name": "HALOWERK_MODUS",
"default": "hero",
"description": "hero (12 curated services, default), gateway (3 meta-tools, smallest context) or all (70 services)."
},
{
"name": "HALOWERK_TROCKEN",
"description": "Set to 1 for a dry run: returns price and call plan, pays nothing."
}
]
}
],
"repository": {
"url": "https://github.com/halowerk/halowerk-mcp",
"source": "github"
},
"description": "134 paid APIs as MCP tools, billed per call in USDC on Base. No account, no login."
}
}