Lightning Faucet MCP
Give AI agents a Bitcoin wallet with Lightning Network payments
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Overview
Give your AI agent a Bitcoin wallet. MCP server + CLI. Works with Claude Code, OpenClaw, Cursor, and any agent framework. - update_operator tool / lw set-email - set your operator email from the MCP client or CLI; a verification link is emailed to you. - claim_promo tool / lw claim-promo - claim the free-sats install promo directly from your agent. Requirements: verified email + operator account at least 3 hours old. - get_info works before registration - service info no longer requires an API key.
Installation
npm install -g lightning-wallet-mcp
Configuration
{
"mcpServers": {
"lightning-wallet": {
"command": "npx",
"args": ["lightning-wallet-mcp"]
}
}Capabilities
- Register an operator account
create a new operator identity with `register_operator` and optionally verify an email to claim the free-sats promo via `claim_promo`.
- Check your balance and identity
use `whoami` to see whether you're acting as operator or agent, and `check_balance` to view your current satoshi balance.
- Pay a Lightning invoice or L402/X402 API
pay any BOLT11 invoice with `pay_invoice`, or access paid APIs that return HTTP 402 challenges using `pay_l402_api` (auto-detects L402 or X402).
- Send keysend payments
send sats directly to a node pubkey without an invoice using `keysend`.
- Manage agents and budgets
create agents with `create_agent`, fund them with `fund_agent`, set spending limits with `set_budget`, and sweep funds back with `sweep_agent`.
- Set up webhook notifications
register a URL with `register_webhook` to receive real-time events like `invoice_paid` or `payment_completed`.
Tags
- crypto
- payment
- finance
- ai-agent
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