Agent-friendly MCP wrapper for x402engine with automatic capped USDC payments on Base and Solana
Agent-friendly MCP wrapper for x402engine with automatic capped USDC payments on Base and Solana
Agent-friendly MCP server for x402engine. It lets agents discover and call pay-per-request APIs through HTTP 402, with automatic USDC payment on Base or Solana.
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Check the linked publisher documentation and your connected client's tool list. Names and availability can vary with the server version and account permissions.
| Tool | What it does |
|---|---|
| Category | Tools |
| Discovery | discover_services, service_health |
| Audio | transcribe_audio |
| Crypto | get_crypto_price, get_crypto_markets, get_crypto_history, get_trending_crypto, search_crypto, get_crypto_categories |
| IPFS | pin_to_ipfs, get_from_ipfs |
| Travel | search_flights, search_locations, search_hotels, search_cheapest_dates |
{
"mcpServers": {
"x402engine": {
"command": "npx",
"args": [
"-y",
"x402engine-mcp@1.1.0"
],
"env": {
"X402_EVM_PRIVATE_KEY": "YOUR_X402_EVM_PRIVATE_KEY",
"X402_PAYMENT_NETWORK": "base",
"X402_MAX_PAYMENT_USD": "1.00"
}
}
}
}From the project documentation. Replace placeholders and example paths before connecting.
| Variable | Description | Required |
|---|---|---|
| X402_EVM_PRIVATE_KEY | Declared in the maintainer’s client configuration. | Check documentation |
| X402_PAYMENT_NETWORK | Declared in the maintainer’s client configuration. | Check documentation |
| X402_MAX_PAYMENT_USD | Declared in the maintainer’s client configuration. | Check documentation |
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