x402 payagent mcp for Claude Desktop
io.github.stevemilton/x402-payagent-mcp
Pay x402 APIs in USDC on Base, Solana, and BNB Chain with spend mandates, receipts, idempotency.
client:Claude Desktop
transport:stdio
runtime:npm
Install x402 payagent mcp in Claude Desktop
~/Library/Application Support/Claude/claude_desktop_config.json · windows: %APPDATA%\Claude\claude_desktop_config.json
{
"mcpServers": {
"x402-payagent-mcp": {
"command": "npx",
"args": [
"-y",
"@arispay/payagent-mcp"
],
"env": {
"ARISPAY_API_KEY": "<ARISPAY_API_KEY>",
"PAYAGENT_PRIVATE_KEY": "<PAYAGENT_PRIVATE_KEY>"
}
}
}
}
Settings → Developer → Edit Config opens this file. Restart the app after saving. Claude Desktop docs