Nwc MCP runs on your own machine — the client starts it, so there is no endpoint to ping. 71 installs a week from npm. Last commit 15 Jun 2026.
Lightning wallet for AI agents via Nostr Wallet Connect (NIP-47): budget caps, confirm, audit log.
Today is the operative word: we check Nwc 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 nwc-mcp -e 'NWC_CONNECTION_STRING=<NWC_CONNECTION_STRING>' -- npx -y nwc-mcp
{
"mcpServers": {
"nwc-mcp": {
"command": "npx",
"args": [
"-y",
"nwc-mcp"
],
"env": {
"NWC_CONNECTION_STRING": "<NWC_CONNECTION_STRING>"
}
}
}
}
[mcp_servers.nwc-mcp]
command = "npx"
args = ["-y", "nwc-mcp"]
env = { NWC_CONNECTION_STRING = "<NWC_CONNECTION_STRING>" }
{
"mcpServers": {
"nwc-mcp": {
"command": "npx",
"args": [
"-y",
"nwc-mcp"
],
"env": {
"NWC_CONNECTION_STRING": "<NWC_CONNECTION_STRING>"
}
}
}
}
{
"servers": {
"nwc-mcp": {
"type": "stdio",
"command": "npx",
"args": [
"-y",
"nwc-mcp"
],
"env": {
"NWC_CONNECTION_STRING": "<NWC_CONNECTION_STRING>"
}
}
}
}
Put your own value in place of
<NWC_CONNECTION_STRING> (Nostr Wallet Connect connection string (nostr+walletconnect://...)).
The author’s registry entry marks it as required.
Optional settings from the registry entry, left out of the block above:
NWC_DAILY_BUDGET_SATS (Daily spend cap in sats), NWC_READ_ONLY (Set true to block all spend tools).
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Answers built from our own checks of this server.