402 MCP runs on your own machine — the client starts it, so there is no endpoint to ping. 228 installs a week from npm. Last commit 14 Sep 2026.
AI agents discover, pay for, and consume any Lightning-gated API autonomously
Today is the operative word: we check 402 MCP every 15 minutes and re-read its code on every release. Watch it and you find out the day that stops being true.
This server runs on your own machine — install it with the package manager and the client starts it for you. Package name taken from the official registry entry.
claude mcp add 402-mcp -- npx -y 402-mcp
{
"mcpServers": {
"402-mcp": {
"args": [
"-y",
"402-mcp"
],
"command": "npx"
}
}
}
[mcp_servers.402-mcp]
command = "npx"
args = ["-y", "402-mcp"]
{
"mcpServers": {
"402-mcp": {
"args": [
"-y",
"402-mcp"
],
"command": "npx"
}
}
}
{
"mcpServers": {
"402-mcp": {
"args": [
"-y",
"402-mcp"
],
"command": "npx"
}
}
}
This one needs environment variables set before it will start:
NWC_URI (Nostr Wallet Connect URI for autonomous Lightning payments), MAX_AUTO_PAY_SATS (Maximum sats to auto-pay per request).
The author declared them in the registry entry; get the values from the project itself.
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Answers built from our own checks of this server.