Nwc MCP Server

by llmops-proio.github.llmops-pro/nwc-mcpv0.2.3

Lightning wallet for AI agents via Nostr Wallet Connect (NIP-47): budget caps, confirm, audit log.

0Node.jsstdioofficial registry

context tax

queued

security

queued

cold start

queued

freshness

Slowing4mo ago

Install Nwc MCP server

claude mcp add nwc -e NWC_CONNECTION_STRING='<nwc-connection-string>' -- npx -y nwc-mcp

{
  "mcpServers": {
    "nwc": {
      "command": "npx",
      "args": [
        "-y",
        "nwc-mcp"
      ],
      "env": {
        "NWC_CONNECTION_STRING": "<nwc-connection-string>"
      }
    }
  }
}

Add to ~/.cursor/mcp.json (global) or .cursor/mcp.json (project).

{
  "mcpServers": {
    "nwc": {
      "command": "npx",
      "args": [
        "-y",
        "nwc-mcp"
      ],
      "env": {
        "NWC_CONNECTION_STRING": "<nwc-connection-string>"
      }
    }
  }
}

Settings → Developer → Edit Config (claude_desktop_config.json), then restart.

{
  "servers": {
    "nwc": {
      "type": "stdio",
      "command": "npx",
      "args": [
        "-y",
        "nwc-mcp"
      ],
      "env": {
        "NWC_CONNECTION_STRING": "<nwc-connection-string>"
      }
    }
  }
}

Add to .vscode/mcp.json in your workspace.

{
  "mcpServers": {
    "nwc": {
      "command": "npx",
      "args": [
        "-y",
        "nwc-mcp"
      ],
      "env": {
        "NWC_CONNECTION_STRING": "<nwc-connection-string>"
      }
    }
  }
}

Add to ~/.codeium/windsurf/mcp_config.json.

Configuration

Variable	Required	Secret	Description
NWC_CONNECTION_STRING	yes	yes	Nostr Wallet Connect connection string (nostr+walletconnect://...)
NWC_DAILY_BUDGET_SATS	—	—	Daily spend cap in sats
NWC_READ_ONLY	—	—	Set true to block all spend tools

Freshness

Slowing — last maintenance signal 4mo ago. The newest of the signals below sets the band.

Last commit (default branch)
2026-06-15 · 4mo ago · GitHub
Latest release
no data · GitHub
Package published
no data · npm/PyPI
Registry entry updated
2026-06-12 · 4mo ago · official registry · v0.2.3

FAQ

›How do I install the Nwc MCP server in Claude Code?

Run: claude mcp add nwc -e NWC_CONNECTION_STRING='<nwc-connection-string>' -- npx -y nwc-mcp. For Cursor, VS Code, Claude Desktop and Windsurf, use the install tabs above.

›Does Nwc require an API key?

Yes. It expects NWC_CONNECTION_STRING, of which 1 is a secret.

›Can I use Nwc as a remote (hosted) MCP server?

No hosted endpoint is published; it runs locally over stdio.

›Is Nwc in the official MCP registry?

Yes, as io.github.llmops-pro/nwc-mcp.