Feeless x402 micropayments for AI agents — self-custodied XNO wallet, pay-per-call client, merchant server with railHint, PoW-gated faucet, MCP server
Setup
Choose your client, copy the config, then fill in any required environment variables.
claude mcp add nano-pay -- uvx feeless402~/.codex/config.toml
[mcp_servers.nano-pay]
command = "uvx"
args = ["feeless402"]
# codex mcp add nano-pay -- uvx feeless402~/.cursor/mcp.json
{
"mcpServers": {
"nano-pay": {
"command": "uvx",
"args": [
"feeless402"
]
}
}
}.vscode/mcp.json
{
"servers": {
"nano-pay": {
"type": "stdio",
"command": "uvx",
"args": [
"feeless402"
]
}
}
}~/.gemini/settings.json
{
"mcpServers": {
"nano-pay": {
"command": "uvx",
"args": [
"feeless402"
]
}
}
}claude_desktop_config.json
{
"mcpServers": {
"nano-pay": {
"command": "uvx",
"args": [
"feeless402"
]
}
}
}.trae/mcp.json
{
"mcpServers": {
"nano-pay": {
"command": "uvx",
"args": [
"feeless402"
]
}
}
}