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17 pay-per-call data tools via x402 (USDC on Base): crypto, FX, weather, WHOIS, web, token risk.
npx @getmcp/cli add io.github.Marysbrain/x402-gateway-mcpRequires Node.js 18+. Community-contributed server. Review source before installing.
Config file: ~/Library/Application Support/Claude/claude_desktop_config.json
{
"mcpServers": {
"io.github.Marysbrain/x402-gateway-mcp": {
"command": "npx",
"args": [
"-y",
"x402-gateway-mcp"
],
"env": {
"WALLET_PRIVATE_KEY": "",
"MAX_PER_CALL_USD": "",
"MAX_SESSION_USD": "",
"GATEWAY_URL": ""
}
}
}
}