Discover, quote, verify & self-check 56 x402 pay-per-call finance/tax calculators for AI agents.
Runs locally over stdio
This server isn't hosted — your MCP client launches it from a package registry. Use one of the commands below, or drop the config into your client (e.g. Claude Desktop).
Run
npx -y tollbooth-x402
MCP client config
{
"mcpServers": {
"tollbooth-x402": {
"command": "npx",
"args": [
"-y",
"tollbooth-x402"
]
}
}
}