halowerk-mcp
Provides access to 70 paid APIs as MCP tools with per-call and session budgets, paying via x402/USDC on Base without requiring an account or login. Includes a built-in allowlist of hosts and safe defaults to prevent unintended payments.
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Install
npx -y halowerk-mcp
Paste the configuration above into your MCP client config (claude_desktop_config.json for Claude Desktop) and restart the client.
{
"mcpServers": {
"halowerk-mcp": {
"command": "npx",
"args": [
"-y",
"halowerk-mcp"
],
"env": {
"HALOWERK_MODUS": "<HALOWERK_MODUS>",
"HALOWERK_TROCKEN": "<HALOWERK_TROCKEN>",
"HALOWERK_BUDGET_USDC": "<HALOWERK_BUDGET_USDC>",
"HALOWERK_PRIVATE_KEY": "<HALOWERK_PRIVATE_KEY>",
"HALOWERK_MAX_PREIS_USDC": "<HALOWERK_MAX_PREIS_USDC>"
}
}
}
}Paste the configuration above into your MCP client config (claude_desktop_config.json for Claude Desktop) and restart the client.
Sources: public MCP Server directories. This is an independent third-party directory with no affiliation to or endorsement from the maintainers of the listed servers.
