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name agent-wallet-nwc-bridge
version 0.1.0
description Expose a local @moneydevkit/agent-wallet as a Nostr Wallet Connect (NIP-47) wallet-service (systemd user service).
repo https://github.com/kristapsk/agent-wallet-nwc-bridge

agent-wallet-nwc-bridge (skill)

This skill provides a small, self-hosted Nostr Wallet Connect (NIP-47) bridge that lets an NWC client (e.g. Stacker.News) send make_invoice / pay_invoice requests to a local @moneydevkit/agent-wallet.

It is intended to be run as a systemd user service.

What you get

  • index.js bridge implementation
  • portable agent-wallet-nwc-bridge.service unit (uses %h)
  • installer script install_systemd_user.sh
  • env + state files (nwc.env, state.json) stored locally (not committed)

Requirements

  • Linux with systemd user services
  • Node.js + npm
  • Nostr relay access (default example uses wss://nos.lol)

Install

git clone https://github.com/kristapsk/agent-wallet-nwc-bridge
cd agent-wallet-nwc-bridge

npm install
cp -n nwc.env.example nwc.env

# initialize state + create wallet service pubkey
node index.js init --relay wss://nos.lol

# install + start as user service
./install_systemd_user.sh

# follow logs
journalctl --user -u agent-wallet-nwc-bridge.service -f

Configure

Edit nwc.env:

  • NWC_RELAYS — comma-separated relay list (e.g. wss://nos.lol,wss://relay.damus.io)
  • NWC_STATE — defaults to state.json (relative to WorkingDirectory)
  • NWC_AUTO_REGISTER — 0 recommended (use explicit URIs/permissions)
  • NWC_DEFAULT_BUDGET_SATS — default spending cap when generating URIs

Security note: state.json contains NWC connection secrets. Do not commit it.

Typical usage flow (Stacker.News)

  1. Run the bridge.
  2. Generate an NWC URI for receive and attach it in SN wallets UI.
  3. Generate a separate NWC URI for send (spending permission) and attach it.
  4. Verify end-to-end:
    • SN make_invoice requests appear in bridge logs
    • SN pay_invoice requests appear and result in a paid invoice

Operations

Restart after changes:

systemctl --user restart agent-wallet-nwc-bridge.service

Disable:

systemctl --user disable --now agent-wallet-nwc-bridge.service

Publishing to ClawHub

  • Ensure README.md, SKILL.md, and package.json are present.
  • Keep secrets out of git (nwc.env, state.json, node_modules/ are ignored by default).